CN106879356A - A kind of method for culturing seedlings for preventing and treating watermelon blight - Google Patents
A kind of method for culturing seedlings for preventing and treating watermelon blight Download PDFInfo
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- CN106879356A CN106879356A CN201710263416.6A CN201710263416A CN106879356A CN 106879356 A CN106879356 A CN 106879356A CN 201710263416 A CN201710263416 A CN 201710263416A CN 106879356 A CN106879356 A CN 106879356A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G2013/004—Liquid mulch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The present invention provides a kind of method for culturing seedlings for preventing and treating watermelon blight, including：（1）Seed selection：Flat grain and broken kernel are removed, natural maturity is selected and full complete seed is used for nursery；（2）Nursery soil treatment：Nutrition Soil and medicine soil mixing and stirring are sprinkled into nursery soil horizon, the depth being sprinkled into is 4~10cm；（3）Seed Treatment：The seed that will have been chosen is put into 50~55 DEG C of warm water and scalds kinds 10~15 minutes, and period is stirred continuously, then after seed is put into soak into immersion 2~4 hours, soaked seed is put into clear water and is washed by rubbing with the hands repeatedly several times, until the mucus of the surface of the seed is removed；（4）Nursery：Washed seed is sown into the nursery soil, with 600~800 times of liquid spraying soil surfaces of new high fat film after earthing；The liquid for promoting seed bud to extend is sprayed in 3~5 day time is to nursery soil.Watermelon bud ratio of the present invention is high, and seedling seedling vigorous index is high, and chlorophyll content is high, and root activity is big, and illness rate is low.
Description
Technical field
The invention belongs to agricultural plantation technology field, and in particular to a kind of method for culturing seedlings of preventing and treating watermelon blight.
Background technology
Watermelon blight is commonly called as " dead seedling disease ", and early stage, the blade in diseased plant vines is gradually wilted forward from base portion, seemingly
Water shortage shape, noon is become apparent from, initial 1,2, can still recover normal sooner or later, and after a few days, plant is wilted and no longer recovers, slowly withered
Extremely, most cases complete stool morbidity, the diseased plant also having only part vines morbidity, remaining vines are normal.Disease plant vines base portion is slightly
Hang contracting, sick portion's lobe has pale red（It is amber）Colloidal fluid overflows, butt rot discoloration, and rip cutting root neck, its vascular bundle part becomes
Brown.
Because the seed of watermelon is easily carried Sclerotium rolfsii, seedling is suffered from droop, not only influence the product of watermelon
Matter and yield, can cause the Large Scale Death of seedling when serious.
The content of the invention
Regarding the issue above, the present invention provides a kind of prevent and treat the method for culturing seedlings that watermelon seedlings suffer from droop.
Present invention employs following technical scheme：
A kind of method for culturing seedlings for preventing and treating watermelon blight, comprises the following steps：
（1）Seed selection
Flat grain and broken kernel are removed, natural maturity is selected and full complete seed is used for nursery；
（2）Nursery soil treatment
Nutrition Soil and medicine soil mixing and stirring are sprinkled into nursery soil horizon, the depth being sprinkled into is 4~10cm；
（3）Seed Treatment
The seed that will have been chosen scalds kind 10~15 minutes in being put into 50~55 DEG C of warm water, and period is stirred continuously, then seed is put
After entering in soak immersion 2~4 hours, soaked seed is put into clear water and is washed by rubbing with the hands repeatedly several times, until the surface of the seed
Mucus is removed；
（4）Nursery
Washed seed is sown into the nursery soil, with 600~800 times of liquid spraying soil surfaces of new high fat film after earthing；Often
The liquid for promoting seed bud to extend is sprayed in 3~5 day time is to nursery soil.
Preferably, the soak is the Bravo aqueous solution that mass concentration is 2%.
Preferably, the step（3）After the completion of, vernalization is carried out to seed, the vernalization is comprised the following steps：
A. the seed after cleaning is spread out and is placed in cool to half-dried at shady and cool ventilation, wrapped up with wet cotton, the thickness of parcel for 1~
1.5 centimetres；
B. the seed after parcel is placed in pallet, then is covered with wet towel, vernalization of being germinateed in 20~25 DEG C of insulating box, warp
After vernalization in 6~8 days, when the seed for having 85~95% show money or valuables one carries unintentionally or bud it is long to 1 millimeter when, you can mixed thoroughly with damp sand and broadcast in good time after mixing
Kind.
Preferably, the preparation method of the Nutrition Soil is：
A. 10~20 parts of ammonium hydrogencarbonate, 30~40 parts of plant ash, 5~10 parts of oyster shell whiting, 10~20 parts of rapeseed cake, rice bran 50~70 are taken
Part, 50~70 parts of dried poultrymanure, 5~10 parts of mycoprotein, 10~20 parts of humic acid and 5~10 parts of bentonite are sent out completely after being well mixed
Ferment；
B. the mixture after fermentation in step a granulated, dried, obtained Nutrition Soil.
Preferably, the preparation method of the medicine soil is：Glucocorticoid, decane sulfonate and P-hydroxybenzoic acid sodium are pressed
80：1：20 mass ratio mixing, stirs.
Preferably, the liquid is the mixed aqueous solution of urea that mass concentration is 0.1% and 0.5% gibberellin.
Preferably, the step（4）In, after watermelon seedling is unearthed, watermelon seedling is irradiated with ultraviolet lamp daily.
Preferably, the distance of the ultraviolet lamp and watermelon seedling is 60~70cm, the power of the ultraviolet lamp for 40~
60W, the time of ultraviolet lamp irradiation daily is 20~25 minutes.
Compared with prior art, the beneficial effects of the invention are as follows：
The step of using seed selection, the treatment of nursery soil, Seed Treatment, vernalization, nursery, nursery soil uses Nutrition Soil and medicine soil mixing,
Required enough nutrition during watermelon seedling culturing can be supplemented, watermelon seedling is improved to the resistance of germ, makes to cause watermelon blight
Cause of disease Deuteromycotina fungi and the formation or sprouting lopsided and that suppress its spore of watermelon pinch outs mycelia, inhale its nutrition
Receive and breeding produces obstacle, bacteriostasis can be played；With 600 times of liquid spraying soil surfaces of new high fat film after sowing earthing；Can protect
The anti-moisture evaporation of moisture in the soil, sun-proof drought resisting, heat-preserving anti-freezing, anti-soil layer are hardened, suffocate and isolation disease pest source, improve emergence rate；After emerging
Ultraviolet irradiation is carried out to seedling, can be further sterilized；Nursery, watermelon bud ratio are carried out using the method for present invention offer
Height, seedling seedling vigorous index is high, and chlorophyll content is high, and root activity is big, and illness rate is low.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of method for culturing seedlings for preventing and treating watermelon blight, comprises the following steps：
（1）Seed selection
Screening removes flat grain and broken kernel, selects natural maturity and full complete seed is used for nursery.
（2）Nursery soil treatment
Nutrition Soil and medicine soil mixing and stirring are sprinkled into nursery soil horizon, the depth being sprinkled into is 4cm；
Wherein, the preparation method of Nutrition Soil is：
A. 10 parts of ammonium hydrogencarbonate, 30 parts of plant ash, 5 parts of oyster shell whiting, 10 parts of rapeseed cake, 50 parts of rice bran, 50 parts of dried poultrymanure, mycoprotein are taken
5 parts, 10 parts of humic acid and the well mixed rear complete fermentation of 5 parts of bentonite；
B. the mixture after fermentation in step a granulated, dried, obtained Nutrition Soil；Educated containing watermelon in the Nutrition Soil
Various elements required for seedling stage, and have using ecological organic material, soil quality, reinforced soil function can be improved.
Medicine soil preparation method be：Glucocorticoid, plant sodium, decane sulfonate and P-hydroxybenzoic acid sodium are pressed 8：6：
1：2 mass ratio mixing, stirs.
Glucocorticoid can promote root system dextranase and chitinase activity, promote secondary metabolism and root system viability,
The expression of active cell split gene and improve crop resistance in itself, while make plant root jasmonic synthesize it is related to response
The expression quantity of gene increases, and plant is obtained system resistant.The activator that sodium phytate is metabolized as various enzymes in plant, sugared skin
Matter hormone is in the presence of sodium phytate, and effect is more notable.
Watermelon blight is by Deuteromycotina fungi, caused by watermelon pinch outs infect.Germ neutralizes not rotten in soil
Survived the winter in the ripe fertilizer that carries disease germs, in the case where host is left, can survive 5-6, part germ can be more than Survival for 10 Years.The last of the ten Heavenly stems
Alkyl sulfonic acid sodium and P-hydroxybenzoic acid sodium synergy can cause disease fungus mycelia deformity and suppress its spore formation or
Sprout, its nutrient absorption and breeding is produced obstacle, bacteriostasis can be played, and this effect is under the promotion of glucocorticoid
It is more notable.
（3）Seed Treatment
The seed that will have been chosen is put into 50 DEG C of warm water and scalds kinds 10 minutes, and period is stirred continuously, then that seed is put into quality is dense
Spend after being soaked 2 hours in the Bravo aqueous solution for 2%, soaked seed is put into clear water and is washed by rubbing with the hands repeatedly several times, until planting
The mucus in sublist face is removed.
（4）Vernalization is carried out to seed, is comprised the following steps：
A. the seed after cleaning is spread out and is placed in cool to half-dried at shady and cool ventilation, wrapped up with wet cotton, the thickness of parcel is 1 li
Rice；
B. the seed after parcel is placed in pallet, then is covered with wet towel, vernalization of being germinateed in 20 DEG C of insulating box, through 6 days
After vernalization, when the seed for having 85% show money or valuables one carries unintentionally or bud it is long to 1 millimeter when, you can mixed thoroughly with damp sand and begun sowing in good time after mixing.
（5）Nursery
Washed seed is sown into the nursery soil, with 600 times of liquid spraying soil surfaces of new high fat film after earthing；Can preserve soil moisture anti-
Moisture evaporation, sun-proof drought resisting, heat-preserving anti-freezing, anti-soil layer are hardened, suffocate and isolation disease pest source, improve emergence rate.Every 3 day time
To the liquid that promotion seed bud extends is sprayed in nursery soil, the liquid is the urea and 0.5% gibberellin that mass concentration is 0.1%
Mixed aqueous solution.Urea and Gibberellins solution can play facilitation to the sprouting of seed.
After watermelon seedling is unearthed, watermelon seedling is irradiated with ultraviolet lamp daily, ultraviolet lamp is with the distance of watermelon seedling
60cm, the power of ultraviolet lamp is 40W, and the time of ultraviolet lamp irradiation daily is 20 minutes.Ultraviolet can not only be killed just
Germ on sprouting seedling, but also the quality and yield of watermelon, height of the ultraviolet lamp above seedling-growing container can be improved
The light intensity being radiated on seedling can be far set very much to die down, bactericidal effect is poor, distance can closely kill very much seedling.
Embodiment 2
A kind of method for culturing seedlings for preventing and treating watermelon blight, comprises the following steps：
（1）Seed selection
Screening removes flat grain and broken kernel, selects natural maturity and full complete seed is used for nursery.
（2）Nursery soil treatment
Nutrition Soil and medicine soil mixing and stirring are sprinkled into nursery soil horizon, the depth being sprinkled into is 10cm；
Wherein, the preparation method of Nutrition Soil is：
A. 20 parts of ammonium hydrogencarbonate, 40 parts of plant ash, 10 parts of oyster shell whiting, 20 parts of rapeseed cake, 70 parts of rice bran, 70 parts of dried poultrymanure, bacterium egg are taken
White 10 parts, 20 parts of humic acid and the well mixed rear complete fermentation of 10 parts of bentonite；
B. the mixture after fermentation in step a granulated, dried, obtained Nutrition Soil；Educated containing watermelon in the Nutrition Soil
Various elements required for seedling stage, and have using ecological organic material, soil quality, reinforced soil function can be improved.
Medicine soil preparation method be：Glucocorticoid, plant sodium, decane sulfonate and P-hydroxybenzoic acid sodium are pressed 8：6：
1：2 mass ratio mixing, stirs.
Glucocorticoid can promote root system dextranase and chitinase activity, promote secondary metabolism and root system viability,
The expression of active cell split gene and improve crop resistance in itself, while make plant root jasmonic synthesize it is related to response
The expression quantity of gene increases, and plant is obtained system resistant.The activator that sodium phytate is metabolized as various enzymes in plant, sugared skin
Matter hormone is in the presence of sodium phytate, and effect is more notable.
Watermelon blight is by Deuteromycotina fungi, caused by watermelon pinch outs infect.Germ neutralizes not rotten in soil
Survived the winter in the ripe fertilizer that carries disease germs, in the case where host is left, can survive 5-6, part germ can be more than Survival for 10 Years.The last of the ten Heavenly stems
Alkyl sulfonic acid sodium and P-hydroxybenzoic acid sodium synergy can cause disease fungus mycelia deformity and suppress its spore formation or
Sprout, its nutrient absorption and breeding is produced obstacle, bacteriostasis can be played, and this effect is under the promotion of glucocorticoid
It is more notable.
（3）Seed Treatment
The seed that will have been chosen is put into 55 DEG C of warm water and scalds kinds 15 minutes, and period is stirred continuously, then that seed is put into quality is dense
Spend after being soaked 4 hours in the Bravo aqueous solution for 2%, soaked seed is put into clear water and is washed by rubbing with the hands repeatedly several times, until planting
The mucus in sublist face is removed.
（4）Vernalization is carried out to seed, is comprised the following steps：
A. the seed after cleaning is spread out and is placed in cool to half-dried at shady and cool ventilation, wrapped up with wet cotton, the thickness of parcel is 1.5 lis
Rice；
B. the seed after parcel is placed in pallet, then is covered with wet towel, vernalization of being germinateed in 25 DEG C of insulating box, through 8 days
After vernalization, when the seed for having 95% show money or valuables one carries unintentionally or bud it is long to 1 millimeter when, you can mixed thoroughly with damp sand and begun sowing in good time after mixing.
（5）Nursery
Washed seed is sown into the nursery soil, with 800 times of liquid spraying soil surfaces of new high fat film after earthing；Can preserve soil moisture anti-
Moisture evaporation, sun-proof drought resisting, heat-preserving anti-freezing, anti-soil layer are hardened, suffocate and isolation disease pest source, improve emergence rate.
The liquid for promoting seed bud to extend is sprayed in 5 day time is to nursery soil, the liquid is that mass concentration is 0.1%
The mixed aqueous solution of urea and 0.5% gibberellin.Urea and Gibberellins solution can play facilitation to the sprouting of seed.
After watermelon seedling is unearthed, watermelon seedling is irradiated with ultraviolet lamp daily, ultraviolet lamp is with the distance of watermelon seedling
70cm, the power of the ultraviolet lamp is 60W, and the time of ultraviolet lamp irradiation daily is 25 minutes.Ultraviolet can not only
Enough germs killed on just sprouting seedling, but also the quality and yield of watermelon can be improved, ultraviolet lamp is on seedling-growing container
The height of side can far make very much the light intensity being radiated on seedling die down, and bactericidal effect is poor, and distance can closely kill very much seedling.
Embodiment 3
A kind of method for culturing seedlings for preventing and treating watermelon blight, comprises the following steps：
（1）Seed selection
Screening removes flat grain and broken kernel, selects natural maturity and full complete seed is used for nursery.
（2）Nursery soil treatment
Nutrition Soil and medicine soil mixing and stirring are sprinkled into nursery soil horizon, the depth being sprinkled into is 7cm；
Wherein, the preparation method of Nutrition Soil is：
A. 15 parts of ammonium hydrogencarbonate, 35 parts of plant ash, 8 parts of oyster shell whiting, 15 parts of rapeseed cake, 60 parts of rice bran, 60 parts of dried poultrymanure, mycoprotein are taken
8 parts, 15 parts of humic acid and the well mixed rear complete fermentation of 8 parts of bentonite；
B. the mixture after fermentation in step a granulated, dried, obtained Nutrition Soil；Educated containing watermelon in the Nutrition Soil
Various elements required for seedling stage, and have using ecological organic material, soil quality, reinforced soil function can be improved.
Medicine soil preparation method be：Glucocorticoid, plant sodium, decane sulfonate and P-hydroxybenzoic acid sodium are pressed 8：6：
1：2 mass ratio mixing, stirs.
Glucocorticoid can promote root system dextranase and chitinase activity, promote secondary metabolism and root system viability,
The expression of active cell split gene and improve crop resistance in itself, while make plant root jasmonic synthesize it is related to response
The expression quantity of gene increases, and plant is obtained system resistant.The activator that sodium phytate is metabolized as various enzymes in plant, sugared skin
Matter hormone is in the presence of sodium phytate, and effect is more notable.
Watermelon blight is by Deuteromycotina fungi, caused by watermelon pinch outs infect.Germ neutralizes not rotten in soil
Survived the winter in the ripe fertilizer that carries disease germs, in the case where host is left, can survive 5-6, part germ can be more than Survival for 10 Years.The last of the ten Heavenly stems
Alkyl sulfonic acid sodium and P-hydroxybenzoic acid sodium synergy can cause disease fungus mycelia deformity and suppress its spore formation or
Sprout, its nutrient absorption and breeding is produced obstacle, bacteriostasis can be played, and this effect is under the promotion of glucocorticoid
It is more notable.
（3）Seed Treatment
The seed that will have been chosen is put into 53 DEG C of warm water and scalds kinds 13 minutes, and period is stirred continuously, then that seed is put into quality is dense
Spend after being soaked 3 hours in the Bravo aqueous solution for 2%, soaked seed is put into clear water and is washed by rubbing with the hands repeatedly several times, until planting
The mucus in sublist face is removed.
（4）Vernalization is carried out to seed, is comprised the following steps：
A. the seed after cleaning is spread out and is placed in cool to half-dried at shady and cool ventilation, wrapped up with wet cotton, the thickness of parcel is 1.2 lis
Rice；
B. the seed after parcel is placed in pallet, then is covered with wet towel, vernalization of being germinateed in 23 DEG C of insulating box, through 7 days
After vernalization, when the seed for having 90% show money or valuables one carries unintentionally or bud it is long to 1 millimeter when, you can mixed thoroughly with damp sand and begun sowing in good time after mixing.
（5）Nursery
Washed seed is sown into the nursery soil, with 700 times of liquid spraying soil surfaces of new high fat film after earthing；Can preserve soil moisture anti-
Moisture evaporation, sun-proof drought resisting, heat-preserving anti-freezing, anti-soil layer are hardened, suffocate and isolation disease pest source, improve emergence rate.
The liquid for promoting seed bud to extend is sprayed in 4 day time is to nursery soil, the liquid is that mass concentration is 0.1%
The mixed aqueous solution of urea and 0.5% gibberellin.Urea and Gibberellins solution can play facilitation to the sprouting of seed.
After watermelon seedling is unearthed, watermelon seedling is irradiated with ultraviolet lamp daily, ultraviolet lamp is with the distance of watermelon seedling
65cm, the power of the ultraviolet lamp is 50W, and the time of ultraviolet lamp irradiation daily is 23 minutes.Ultraviolet can not only
Enough germs killed on just sprouting seedling, but also the quality and yield of watermelon can be improved, ultraviolet lamp is on seedling-growing container
The height of side can far make very much the light intensity being radiated on seedling die down, and bactericidal effect is poor, and distance can closely kill very much seedling；
Embodiment 4
The following is the inventive method and the contrast experiment of common method for culturing seedlings：Choose 500 at random from a collection of watermelon seed,
Stochastic averagina is divided into two groups, and this two groups of seeds are respectively adopted into the inventive method and common method for culturing seedlings carries out nursery, and other are educated
Slender part is the same, and the experimental data for observing nursery situation is as follows：
| Experimental result | The inventive method | Common method for culturing seedlings |
| Bud ratio after 2 days | 99% | 75% |
| Average root must quantity after 5 days | 18 | 5 |
| Illness rate | 0.5% | 16% |
| Seedling vigorous index | 1.1 | 0.8 |
| 2.5 | 2 | |
| 96 | 90 |
Wherein, seedling vigorous index=（Stem is thick/plant height）X complete stool dry weights X100；
Chlorophyll content is determined using acetone ethanol mixed liquor extraction method；
Root activity is determined using triphenyl tetrazolium chloride method.
Thus experimental result can draw：Nursery is carried out using the method for present invention offer, watermelon bud ratio is high, seedling
Seedling vigorous index is high, and chlorophyll content is high, and root activity is big, and illness rate is low.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, although with reference to foregoing reality
Apply example to be described in detail the present invention, for a person skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, as long as not influenceing to use, any number, any position that proximity switch is set,
Should be included within protection scope of the present invention.
Claims (8)
1. it is a kind of prevent and treat watermelon blight method for culturing seedlings, it is characterised in that comprise the following steps：
（1）Seed selection
Screening removes flat grain and broken kernel, selects natural maturity and full complete seed is used for nursery；
（2）Nursery soil treatment
Nutrition Soil and medicine soil mixing and stirring are sprinkled into nursery soil horizon, the depth being sprinkled into is 4~10cm；
（3）Seed Treatment
The seed that will have been chosen scalds kind 10~15 minutes in being put into 50~55 DEG C of warm water, and period is stirred continuously, then seed is put
After entering in soak immersion 2~4 hours, soaked seed is put into clear water and is washed by rubbing with the hands repeatedly several times, until the surface of the seed
Mucus is removed；
（4）Nursery
Washed seed is sown into the nursery soil, with 600~800 times of liquid spraying soil surfaces of new high fat film after earthing；Often
The liquid for promoting seed bud to extend is sprayed in 3~5 day time is to nursery soil.
2. a kind of method for culturing seedlings for preventing and treating watermelon blight according to claim 1, it is characterised in that the soak is
Mass concentration is the 2% Bravo aqueous solution.
3. it is according to claim 1 it is a kind of prevent and treat watermelon blight method for culturing seedlings, it is characterised in that the step（3）
After the completion of, vernalization is carried out to seed, the vernalization is comprised the following steps：
A. the seed after cleaning is spread out and is placed in cool to half-dried at shady and cool ventilation, wrapped up with wet cotton, the thickness of parcel for 1~
1.5 centimetres；
B. the seed after parcel is placed in pallet, then is covered with wet towel, vernalization of being germinateed in 20~25 DEG C of insulating box, warp
After vernalization in 6~8 days, when the seed for having 85~95% show money or valuables one carries unintentionally or bud it is long to 1 millimeter when, you can mixed thoroughly with damp sand and broadcast in good time after mixing
Kind.
4. it is according to claim 1 it is a kind of prevent and treat watermelon blight method for culturing seedlings, it is characterised in that the Nutrition Soil
Preparation method is：
A. 10~20 parts of ammonium hydrogencarbonate, 30~40 parts of plant ash, 5~10 parts of oyster shell whiting, 10~20 parts of rapeseed cake, rice bran 50~70 are taken
Part, 50~70 parts of dried poultrymanure, 5~10 parts of mycoprotein, 10~20 parts of humic acid and 5~10 parts of bentonite are sent out completely after being well mixed
Ferment；
B. the mixture after fermentation in step a granulated, dried, obtained Nutrition Soil.
5. a kind of method for culturing seedlings for preventing and treating watermelon blight according to claim 1, it is characterised in that the system of medicine soil
Preparation Method is：Glucocorticoid, decane sulfonate and P-hydroxybenzoic acid sodium are pressed 80：1：20 mass ratio mixing, stirring
Uniformly.
6. it is according to claim 1 it is a kind of prevent and treat watermelon blight method for culturing seedlings, it is characterised in that the liquid is matter
Amount concentration is 0.1% urea and the mixed aqueous solution of 0.5% gibberellin.
7. it is according to claim 1 it is a kind of prevent and treat watermelon blight method for culturing seedlings, it is characterised in that the step（4）
In, after watermelon seedling is unearthed, watermelon seedling is irradiated with ultraviolet lamp daily.
8. it is according to claim 7 it is a kind of prevent and treat watermelon blight method for culturing seedlings, it is characterised in that the ultraviolet lamp
Be 60~70cm with the distance of watermelon seedling, the power of the ultraviolet lamp is 40~60W, ultraviolet lamp irradiation daily when
Between be 20~25 minutes.
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