CN104186146B

CN104186146B - A kind of implantation methods preventing Root rot disease of Astragallus

Info

Publication number: CN104186146B
Application number: CN201410400145.0A
Authority: CN
Inventors: 黎亮
Original assignee: LONGXI COUNTY CHENGXINYUAN FARMING DEVELOPMENT FARMER PROFESSIONAL COOPERATIVES
Current assignee: LONGXI COUNTY CHENGXINYUAN FARMING DEVELOPMENT FARMER PROFESSIONAL COOPERATIVES
Priority date: 2014-08-14
Filing date: 2014-08-14
Publication date: 2016-12-07
Anticipated expiration: 2034-08-14
Also published as: CN104186146A

Abstract

The invention discloses a kind of implantation methods preventing Root rot disease of Astragallus, including: 1) selection of land with whole, 2) seed treatment, 3) begin sowing in good time, 4) field management, 5) prevention and control of plant diseases, pest control, it is characterized in that: seed first soaks with lime water, again after sanded treatment seed coat, finally mix seed dressing with 200 times of liquid of 500 times of liquid of 70% thiophanate methyl wettable powder and rizolex with the ratio of 1:1；Step 3) to begin sowing in good time, before sowing, seed furrow left by machinery, is then put in seed furrow by the seed processed, and after finishing into, piles up with blinding and covers under seed, just to push down seed, then earthing, then with dry horsehit clayed aluminium alloy.Compared with the implantation methods of existing prevention Root rot disease of Astragallus, the present invention, to control the soil moisture, increases soil aeration, for the purpose of improving permeable degree, reduces the sickness rate of Root rot disease of Astragallus, also reduce drug dose, reduce cost of investment.

Description

A kind of implantation methods preventing Root rot disease of Astragallus

Technical field

The invention belongs to Chinese herbal medicine planting technology field, particularly relate to a kind of implantation methods preventing Root rot disease of Astragallus.

Background technology

The Radix Astragali is Radix Astagali or Radix Astragali pulse family herbaceos perennial, main product in Shanxi, Heilungkiang, Liaoning, river The provinces and regions such as north, are conventional Chinese herbal medicine, have invigorating QI to consolidate the body surface resistance, diuresis poison holding, evacuation of pus, effect of expelling pus and promoting granulation.In recent years, Chinese herbal medicine Receiving publicity with the advantage that has no side effect, its cultivated area is also progressively expanding, the Radix Astragali as one of conventional Chinese herbal medicine, Its cultivated area and yield the most substantially increase.But, due to not science, irrational traditional cultivation method cause yielding poorly, product Matter is poor, the most then cause deficiency in economic performance, heavy then cause economic loss, for these problems, has been reported that and proposes new plantation side Method, improves yield and quality.

In recent years, due to a large amount of uses of inorganic fertilizer, causing soil compaction, aeration declines, and then causes astragalus root The sickness rate of maize ear rot improves, and have impact on yield and the quality of the Radix Astragali.For the problem of Root rot disease of Astragallus morbidity, traditional preventing and treating side Method is that morbidity sprays antibacterial later or uses antibacterial pouring root in field, and Root rot disease of Astragallus is fallen ill from the beginning of root, spreads to During aerial parts the most serious, if spraying antibacterial only aerial parts is had certain effect, to root drug osmotic less than Position, its state of an illness also may proceed to increase the weight of；The method using antibacterial pouring root is prevented and treated, and owing to drug dose is big, and takes list The mode prevented and treated solely, one by one, must increase labour cost, take time and effort, and increases production cost.In a word, the biography of Root rot disease of Astragallus There is cost height, the problem of weak effect in system prevention and controls.In consideration of it, patent CN 102144509 A discloses a kind of Radix Astragali root-rot Sick prevention method, uses poison sandy soil to carry out soil treatment, and medicine seed dressing, seedling are dipped in root, transplanted the technical methods such as land treatment systems, reach Arrive the purpose of prevention root rot.But, the method during soil treatment, 5～7 days prior to seeding, is used before nursery 2.5% metrifonate powder convert thin sand and soil mix poison sandy soil apply in nursery 0～10cm soil layer, use 70% thiophanate methyl simultaneously Wettable powder is converted thin sand and soil part and is mixed poison sandy soil and apply in nursery 0～10cm soil layer, and its poison sandy soil soil depth is thick, medicine Consumption is big, adds after broadcasting under cost, astragalus membranaceus seed, and its seed will be in poison sandy soil layer, and its moisture in the soil fertilizer efficiency fruit is by serious Impact, is unfavorable for emerging, and there is the defect killing probiotics during drug treating.

Summary of the invention

It is an object of the invention to: overcome the problem that existing method for preventing root rot disease of astragalus exists, it is provided that a kind of prevention Huang The implantation methods of stilbene root rot, to control the soil moisture, increases soil aeration, improves permeable degree and attach most importance to, and during sowing, uses Gravel mulch seedling, and preserve soil moisture with the horsehit that aeration is bigger, thus reach to prevent the purpose of root rot.

To achieve these goals, the present invention adopts the following technical scheme that

A kind of implantation methods preventing Root rot disease of Astragallus, including: 1) selection of land with whole, 2) seed treatment, 3) begin sowing in good time, 4) field management, 5) prevention and control of plant diseases, pest control, it is characterised in that: step 2) in seed treatment, seed first soaks 30～40 with lime water Minute, during immersion, the speed with 50～100 revs/min stirs, then after sanded treatment seed coat, finally uses 70% thiophanate methyl 200 times of liquid of 500 times of liquid of wettable powder and rizolex mix seed dressing with the ratio of 1:1, and described seed dressing medicinal liquid consumption is seed 4%, with black plastic mulching heap vexed 20～24h after mixing thoroughly.

Described step 3) to begin sowing in good time, before sowing, machinery leaves deep 20～25cm, wide 8～the seed furrow of 10cm, then The seed processed is put in seed furrow, after finishing under seed, piles up with blinding and cover, just to push down seed 0.8 ～1cm is advisable, then earthing 2～2.5cm, then with dry horsehit clayed aluminium alloy.

Further, cover blinding used by seed first through the single-size that crusher in crushing to particle diameter is 0.5～1cm, then By 1000 times of liquid cleaning treatment of 70% thiophanate methyl wettable powder.

Compared with the implantation methods of existing prevention Root rot disease of Astragallus, the invention have the benefit that

1) seed first soaks through lime water stirring, to kill harmful levels of pathogens, then through sand milling broken shell, finally uses at drug immersion Reason, reduces pathogenic bacteria adhesive rate, and then the generation of prevention root rot；

2) use blinding to replace sandy soil seed dressing plantation, add seed soil horizon aeration and permeable degree, effectively control Temperature, humidity, reduce germ reproduction rate；

3) use horsehit clayed aluminium alloy, soil nutrient content can be increased, be avoided that again soil compaction, increase the logical of soil Gas and permeability rate, improve emergence rate and reduce germ reproduction rate.

4) present invention replaces sandy soil seed dressing plantation with blinding, and its Costco Wholesale is per ton saves 35 yuan, and blinding Few compared with sandy soil consumption, cost-effective higher, then can more than cost-effective thousand yuan/mu for establishing in large scale.

Detailed description of the invention

Below in conjunction with specific embodiment, technical solution of the present invention is described further, in order to same domain technical staff manages Solve.

Embodiment 1

A kind of implantation methods preventing Root rot disease of Astragallus, including: 1) selection of land with whole, 2) seed treatment, 3) begin sowing in good time, 4) field management, 5) prevention and control of plant diseases, pest control, specifically comprise the following steps that

1) selection of land with wholely: select that soil layer is deep, the soil is porous, fertile soil, draining neutral sand good, that be dried on the sunny side Matter loam；Applying base fertilizer before broadcasting, described base fertilizer is every mu and executes animal waste 250～350kg, carbamide 10～20kg, phosphoric acid hydrogen Calcium 50～60kg, potassium chloride 7～8kg, Radix Et Rhizoma Nardostachyos powder 10～15kg, Radix Stemonae powder 2～3kg, ferrous sulfate 2～3kg；Tilling depth 25～ 30cm, makees the furrow of wide 1.2～1.5m.

2) seed treatment: select high-quality, healthy and strong seed, first soak 30～40 minutes with lime water, during immersion with 50～ The speed stirring of 100 revs/min, then after sanded treatment seed coat, finally with 500 times of liquid of 70% thiophanate methyl wettable powder Mixing seed dressing with 200 times of liquid of rizolex with the ratio of 1:1, described seed dressing medicinal liquid consumption is the 4% of seed, uses black film after mixing thoroughly Cover heap vexed 20～24h.

3) begin sowing in good time: before sowing, open deep 20～25cm by line-spacing 25～30cm machinery, wide 8～the seed furrow of 10cm, so After the seed processed is put in seed furrow, after finishing under seed, with blinding pile up cover, just to push down seed 0.8～1cm is advisable, then earthing 2～2.5cm, then with dry horsehit clayed aluminium alloy.

4) field management

1. transplant: emerge and front and back keep ground moistening, ventilation, by line-spacing 30～40cm, spacing in the rows 3～4cm field planting land for growing field crops, plant First earthing 1～2cm after transplantation of seedlings, then with blinding covering 0.8～2cm to increase aeration and permeability rate, prevent rubble simultaneously Son hinders Seedling；

Middle weeding: after Radix Astragali transplantation of seedlings, middle weeding；

3. topdress: by the end of June～at the beginning of 7 months, every mu imposes phosphate fertilizer 20～25kg, manganese sulfate 2.5～4.5kg, dregs of rapeseed cake 50～70kg, ammonium hydrogen carbonate 5.0～8.0kg, MAP 8.0～9.0kg, potassium sulfate 2.5～3.5kg and analysis for soybean powder 10～ 15kg。

5) prevention and control of plant diseases, pest control: enhance field management, note field ventilation and penetrating light, their early stage can with 50% ambam or 50% carbendazim 800～1000 times of liquid spray preventing and treating.

In order to verify the actual effect of technical solution of the present invention, use the present invention

During the method plantation Radix Astragali, planting experiment, comparison field (traditional cultivation method) and experimental plot (this are carried out compareing on year-on-year basis Inventive technique scheme) all factor of influence basic controlling are in same range, in order to the verity of the present invention is described, goes through two After planting season in year, the sickness rate of statistics Root rot disease of Astragallus, its result see table 1.

Table 1-Radix Astragali shoot root maize ear rot incidence statistical result

Morbidity progression	Experimental plot Radix Astragali shoot root maize ear rot sickness rate	Comparison field Radix Astragali shoot root maize ear rot sickness rate
			1	10.5%	28%

2	3%	7%
			3	Nothing	2.5%
Total incidence	13.5%	37.5%
			Milkvetch Root yield	4400kg/hm²	3550kg/hm²

From the statistical result of upper table 1 it can be seen that the Radix Astragali shoot root maize ear rot that technical solution of the present invention (experimental plot) is planted always is sent out Sick rate is 13.5%, the 37.5% of the Radix Astragali shoot root maize ear rot that relatively traditional method (comparison field) is planted, total incidence reduction by 24%, and And Radix Astragali output increased 850kg/hm².As can be seen here, the present invention prevents the implantation methods relatively prior art of Root rot disease of Astragallus, tool It is greatly improved.

Claims

1. prevent an implantation methods for Root rot disease of Astragallus, including: 1) selection of land with whole, 2) seed treatment, 3) begin sowing in good time, 4) Field management, 5) prevention and control of plant diseases, pest control, it is characterised in that: step 2) in seed treatment, seed first soaks 30～40 points with lime water Clock, during immersion, the speed with 50～100 revs/min stirs, then after sanded treatment seed coat, finally can with 70% thiophanate methyl 200 times of liquid of 500 times of liquid of WP and rizolex mix seed dressing with the ratio of 1:1, and described seed dressing medicinal liquid consumption is seed 4%, with black plastic mulching heap vexed 20～24h after mixing thoroughly；Step 3) begin sowing in good time, before sowing machinery open deep 20～25cm, wide 8～ The seed furrow of 10cm, is then put in the seed processed in seed furrow, and after finishing into, piles up with blinding and covers under seed, It is as the criterion just pushing down seed 0.8～1cm, then earthing 2～2.5cm, then by dry horsehit clayed aluminium alloy, described covering kind Son blinding used is first through the single-size that crusher in crushing to particle diameter is 0.5～1cm, then by 70% thiophanate methyl wettability 1000 times of liquid cleaning treatment of powder.