CN103283457A - Drought-resisting batata seedling culture method - Google Patents
Drought-resisting batata seedling culture method Download PDFInfo
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- CN103283457A CN103283457A CN2013102129474A CN201310212947A CN103283457A CN 103283457 A CN103283457 A CN 103283457A CN 2013102129474 A CN2013102129474 A CN 2013102129474A CN 201310212947 A CN201310212947 A CN 201310212947A CN 103283457 A CN103283457 A CN 103283457A
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Abstract
The invention relates to a drought-resisting batata seedling culture method, and belongs to the technical field of seedling culture. The method includes the steps of seedling bed selection, seed batata selection and treatment, seeding, film mulching and soil covering, and seedling bed management. After batata seeding, seed batatas are covered with soil of 2-3cm, preferably not exposed, thoroughly watered and mulched with a film, and then the mulching film is covered with a layer of 3-5cm thick soil completely. The drought-resisting batata seedling culture method has the advantages of simplicity, fast batata seedling emergence, seedling emergence orderliness, strong seedlings and good drought-resisting effect.
Description
Technical field:
The present invention relates to the method that a kind of sweet potato drought resisting is grown seedlings, belong to the seedling growing process field.
Background technology:
Sweet potato (Ipomoea batatas L.) claim Ipomoea batatas, sweet potato, sweet potato, pachyrhizus etc. again, is the annual herb plant of Convolvulaceae sweet potato genus.The country that China is world's sweet potato cultivation area maximum, output is maximum, sweet potato is one of China and southwest staple food crop, and nutrient sweet potato is worth high, and the potato piece is rich in starch, soluble sugar, protein and multivitamin.Sweet potato stable high yield, wide adaptability, drought-enduring anti-lean, strong stress resistance, of many uses, be edible, medicinal and forage crop, be again to make industrial crops such as starch, alcohol and sugar.Temperature and moisture are that the potato piece germinates and potato seedling one of the needed essential condition of growing, and potato piece temperature in 16-35 ℃ scope is more high, and many, optimal temperature is 28-30 ℃ to germination and emergence with regard to soon.If when temperature continued more than 35 ℃, then the potato piece was big because of respiratory intensity, it is many to consume nutrient, easily takes place in " the chaff heart ".The relation of the moisture of seedbed soil and potato piece root of hair, rudiment, long seedling is very close, the temperature and the soil aeration that how much influence the seedbed simultaneously of moisture.As seen, water is one of sweet potato essential condition of growing seedlings.Arid is the very severe problem that present grain-production faces, and adopts conventional mulch film covered rearing seedling, can effectively keep the native moisture of bed, reduces evaporation, improves bed temperature.Grow seedlings but carry out sweet potato in rainfall xeothermic area seldom, noon, temperature was very high, and it is mashed that temperature in the shed Tai Gaoyi causes the breathing of potato piece to strengthen that the chaff centre rot takes place, and has a strong impact on and emerge.
At real the problems referred to above, the inventor provides a kind of sweet potato overlay film earthing drought resisting seedling method through research repeatedly.Through literature search, do not see the open report identical with the present invention.
Summary of the invention:
It is short of rain to the objective of the invention is to overcome feature of drought during Feb, influences the deficiency that sweet potato is grown seedlings, and a kind of method is simple, water conservation is effective, emerge fast, the strong sweet potato drought resisting seedling-cultivating method of the even seedling of seedling and provide.
Sweet potato overlay film earthing drought resisting seedling method of the present invention, it is the improvement on conventional mulch film covered rearing seedling basis, be that sweet potato is grown seedlings and adds lid layer soil at film again after the plastic mulching, both reached and heated the purpose of preserving moisture, avoid the too high influence to potato piece and young shoot of temperature in the shed at noon again, reach cool effect; Seedling meeting bursting film did not need rupture of membranes to draw seedling, saving of work and time when sweet potato emerged simultaneously.This overlay film earthing of sweet potato drought resisting seedling method had both heated preserves moisture, can avoid the too high influence that rudiment causes to the potato piece of seedling bed temperature at noon again, be beneficial to germination and the growth of seedling of potato piece, be an innovation greatly of conventional mulch film covered rearing seedling, the influence that the arid adverse circumstance that research is on the rise is grown seedlings to sweet potato is significant.
The step of sweet potato drought resisting seedling-cultivating method of the present invention is as follows:
A. ground, seedbed is selected
Select leeward on the sunny side, loosing soil is fertile, physical features is high and dry, irrigation and drainage plot easily, the wide 120cm of furrow, the high 20cm of furrow, ditch is unobstructed around the furrow width 30cm, furrow;
B. potato seed is selected and is handled
The heavy 150-200g of menu, smooth, the no damage by disease and insect of epidermis, the potato piece that has no mechanical damage are potato seed, and potato seed with 1000 times of liquid of 70% thiophanate methyl or 500 times of liquid seed soaking of 50% carbendazim disinfection in 20 minutes, is picked up to dry afterwards and sows;
C. seeding
When daily mean temperature after the spring is stabilized in more than 12 ℃, before planting ± 50-60 days seeding, on the seedbed, open seed furrow by line-spacing 60cm earlier, in seed furrow by 1500kg/ execute for every mu become thoroughly decomposed fertilizer and with the soil mixing; Then potato seed tiltedly is put in the seed furrow by 30 ℃, the potato seed head up, afterbody down, big or small potato is separately; The shallow row of the dark little potato of row of yampi accomplishes " going up neat uneven down ", and to guarantee the thickness of earth covering unanimity, it is neat to emerge;
D. overlay film earthing
Blinding 2-3cm after the seeding does not expose with potato seed and to be advisable, and waters permeablely, and covering with plastic film, and then add a cover the thick one deck soil of 3-5cm at mulch film covers film completely;
E. seedbed management
Generally need not water after the seeding and can emerge, seedling meeting bursting film did not need rupture of membranes to draw seedling when sweet potato emerged; Topdress 2-3 time when seedling is neat, spray with weight ratio 0.5% urea liquid or 0.2% potassium dihydrogen phosphate, and then wash cauline leaf 1-2 time with clear water; Treat that can get seedling when seedling grows to 50-60cm length plants.
The inventive method has the advantage that method is simple, drought-resistant water-preserving is effective, emerge fast, the even seedling of seedling is strengthened.
Embodiment:
Embodiment 1:
(1) test period place
Tested in March, 2011 to June and carry out in Yuanmou County cucumber garden, state, Chuxiong town, soil is red soil, middle fertility.
(2) step of sweet potato drought resisting seedling-cultivating method is described with the summary of the invention part.
(3) the overlay film earthing is grown seedlings sweet potato is emerged and the influence of growth of seedling
After planting, carry out ground temperature, soil moisture content March and measured, carried out plant height, measurement that stem is thick after seedling is neat.As seen from Table 1: the overlay film earthing has the effect of heating, and compares with common method with plastic film, can avoid the noon temperature in the shed too high, and certain cooling effect is arranged.As seen from Table 2: the overlay film earthing is grown seedlings all has good water conservation effect with common method with plastic film.To the fate of emerging, the overlay film earthing is emerged the fastest from sowing, than open country grow seedlings (contrast) emerged in 14 days in advance, common method with plastic film takes second place, growing seedlings than open country shifts to an earlier date 11 days and emerges; The plant that the overlay film earthing is grown seedlings is higher, stem is thicker, and common overlay film seedling method takes second place, and sees Table 3.
Table 1 5-20cm soil layer ground temperature
Table 2 5-20cm soil moisture content
Emerge fate, plant height, stem of table 3 slightly compares
(4) conclusion
Result of the test shows: the overlay film earthing is grown seedlings to drought-resistant water-preserving, emerged ahead of time, the even seedling of seedling is strong a positive effect, can avoid the too high adverse effect to the rudiment of potato piece of temperature in the shed at noon simultaneously, has certain cooling effect.
Embodiment 2:
(1) test period place
Carry out at the Ma Zhen of state, Chuxiong Yuanmou County unit in March, 2012 to June, experimental field is red soil, middle fertility.
(2) step of sweet potato drought resisting seedling-cultivating method is described with the summary of the invention part.
(3) the overlay film earthing is grown seedlings sweet potato is emerged and the influence of growth of seedling
After planting, measure respectively at having carried out ground temperature, soil moisture content in March, June, carry out plant height, measurement that stem is thick after seedling is neat.As seen from Table 4: the overlay film earthing has the effect of heating, and compares with common method with plastic film, and certain cooling effect was arranged when noon, temperature was high.As seen from Table 5: overlay film earthing and common method with plastic film all have good water conservation effect.To the fate of emerging, the overlay film earthing is emerged the fastest from sowing, than open country grow seedlings (contrast) emerged in 19 days in advance, common method with plastic film takes second place, growing seedlings than open country shifts to an earlier date 14 days and emerges; The plant that the overlay film earthing is grown seedlings is higher, stem is thicker, and common overlay film seedling method takes second place, and sees Table 6.
Table 4 5-20cm soil layer ground temperature
Table 5 5-20cm soil moisture content
Emerge fate, plant height, stem of table 6 slightly compares
(4) conclusion
The overlay film earthing is grown seedlings and is had good drought-resistant water-preserving effect, can avoid the too high adverse effect to the rudiment of potato piece of temperature in the shed at noon simultaneously, has certain cooling effect; The potato piece is emerged early; The even seedling of seedling is strong.
Claims (1)
1. method that the sweet potato drought resisting is grown seedlings is characterized in that the step of this method is as follows:
A. ground, seedbed is selected
Select leeward on the sunny side, loosing soil is fertile, physical features is high and dry, irrigation and drainage plot easily, the wide 120cm of furrow, the high 20cm of furrow, ditch is unobstructed around the furrow width 30cm, furrow;
B. potato seed is selected and is handled
The heavy 150-200g of menu, smooth, the no damage by disease and insect of epidermis, the potato piece that has no mechanical damage are potato seed, and potato seed with 1000 times of liquid of 70% thiophanate methyl or 500 times of liquid seed soaking of 50% carbendazim disinfection in 20 minutes, is picked up to dry afterwards and sows;
C. seeding
When daily mean temperature after the spring is stabilized in more than 12 ℃, before planting ± 50-60 days seeding, on the seedbed, open seed furrow by line-spacing 60cm earlier, in seed furrow by 1500kg/ execute for every mu become thoroughly decomposed fertilizer and with the soil mixing; Then potato seed tiltedly is put in the seed furrow by 30 ℃, the potato seed head up, afterbody down, big or small potato is separately; The shallow row of the dark little potato of row of yampi accomplishes " going up neat uneven down ", and to guarantee the thickness of earth covering unanimity, it is neat to emerge;
D. overlay film earthing
Blinding 2-3cm after the seeding does not expose with potato seed and to be advisable, and waters permeablely, and covering with plastic film, and then add a cover the thick one deck soil of 3-5cm at mulch film covers film completely;
E. seedbed management
Generally need not water after the seeding and can emerge, seedling meeting bursting film did not need rupture of membranes to draw seedling when sweet potato emerged; Topdress 2-3 time when seedling is neat, spray with weight ratio 0.5% urea liquid or 0.2% potassium dihydrogen phosphate, and then wash cauline leaf 1-2 time with clear water; Treat that can get seedling when seedling grows to 50-60cm length plants.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597977A (en) * | 2013-10-18 | 2014-02-26 | 赵刚 | Production method of Yixian County sweet potatoes |
| CN103891503A (en) * | 2014-03-17 | 2014-07-02 | 中国科学院北方粳稻分子育种联合研究中心 | Method for cultivating leaf sweet potatoes in greenhouse of north |
| CN104255449A (en) * | 2014-08-29 | 2015-01-07 | 江苏徐淮地区徐州农业科学研究所 | Indoor auxiliary sweet potato drought tolerance identification method |
| CN104472178A (en) * | 2014-12-05 | 2015-04-01 | 宜昌市农业技术推广中心 | High-yield sweet potato cultivation method and seedbed for raising seedlings |
| CN108293751A (en) * | 2016-08-23 | 2018-07-20 | 唐乐正 | Sweet potato summer high-yield early-maturing implantation methods |
| CN108477216A (en) * | 2018-04-09 | 2018-09-04 | 河北省农林科学院粮油作物研究所 | A kind of sweet potato strong sprout composition, sweet potato strong sprout method and application |
| CN109197453A (en) * | 2018-07-31 | 2019-01-15 | 贺州迅凯农作物病虫害防治专业合作社 | A kind of method that spring uses plastic film mulching cultivation sweet potato |
| CN109744109A (en) * | 2017-08-27 | 2019-05-14 | 李袁鑫 | A kind of cultural method of pachyrhizus |
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| CN103004425A (en) * | 2012-12-17 | 2013-04-03 | 范子山 | Transplanting operation method capable of remarkably increasing yield of starch sweet potatoes |
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| CN102498844A (en) * | 2011-10-14 | 2012-06-20 | *** | High-yield sweet potato cultivation method |
| CN102487714A (en) * | 2011-12-19 | 2012-06-13 | 吴太平 | Cultivating method of sweet potato in dry land |
| CN102511295A (en) * | 2011-12-29 | 2012-06-27 | 上海博琛生物科技有限公司 | Cultivation method for improving ground temperature at early spring seedling raising period of sweet potato |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597977A (en) * | 2013-10-18 | 2014-02-26 | 赵刚 | Production method of Yixian County sweet potatoes |
| CN103891503A (en) * | 2014-03-17 | 2014-07-02 | 中国科学院北方粳稻分子育种联合研究中心 | Method for cultivating leaf sweet potatoes in greenhouse of north |
| CN103891503B (en) * | 2014-03-17 | 2016-04-06 | 中国科学院北方粳稻分子育种联合研究中心 | A kind of northern greenhouse room leaf type sweet potato cultivation method |
| CN104255449A (en) * | 2014-08-29 | 2015-01-07 | 江苏徐淮地区徐州农业科学研究所 | Indoor auxiliary sweet potato drought tolerance identification method |
| CN104472178A (en) * | 2014-12-05 | 2015-04-01 | 宜昌市农业技术推广中心 | High-yield sweet potato cultivation method and seedbed for raising seedlings |
| CN104472178B (en) * | 2014-12-05 | 2017-02-01 | 宜昌市农业技术推广中心 | High-yield sweet potato cultivation method and seedbed for raising seedlings |
| CN108293751A (en) * | 2016-08-23 | 2018-07-20 | 唐乐正 | Sweet potato summer high-yield early-maturing implantation methods |
| CN109744109A (en) * | 2017-08-27 | 2019-05-14 | 李袁鑫 | A kind of cultural method of pachyrhizus |
| CN108477216A (en) * | 2018-04-09 | 2018-09-04 | 河北省农林科学院粮油作物研究所 | A kind of sweet potato strong sprout composition, sweet potato strong sprout method and application |
| CN109197453A (en) * | 2018-07-31 | 2019-01-15 | 贺州迅凯农作物病虫害防治专业合作社 | A kind of method that spring uses plastic film mulching cultivation sweet potato |
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