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Sweet potato black rot preventing and treating method

A black spot and sweet potato technology, applied in the field of sweet potato black spot prevention and control, can solve the threat of sweet potato production, affect the yield of sweet potato, affect the quality of sweet potato, etc., achieve significant social benefits, improve production efficiency, and the method is simple and easy Effect

Inactive Publication Date: 2017-05-31
何振贤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not only affect the quality of sweet potato, but also seriously affect the yield of sweet potato
It poses a great threat to sweet potato production and directly affects the increase in agricultural production and farmers' income

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1 Under the above-mentioned test conditions, a kind of control method of sweet potato black spot may further comprise the steps:

[0022] The first step, soil preparation and fertilization: apply all organic fertilizers and chemical fertilizers together as base fertilizer, plow 25cm deep, rake and ridge;

[0023] The second step, seedling cultivation: Soak the seed potatoes with 70% thiophanate-methyl 500 times solution for 5 minutes before seedling cultivation;

[0024] The third step, planing pit: density 45000 holes / hm 2 , plant spacing 33cm, row spacing 70cm;

[0025] The fourth step, pouring potion: pour 0.50 kg of 25% difenoconazole emulsifiable concentrate 1500 times into each hole;

[0026] The fifth step, put the potato seedlings; soak the potato seedlings with 80% allicin 200-300 times for 5 minutes;

[0027] The sixth step is to seal the soil;

[0028] Step 7: Spray 50% benomyl 800 times during the sweet potato cluster stage, and the potion is ...

Embodiment 2

[0030] Embodiment 2 Under above-mentioned test conditions, a kind of control method of sweet potato black spot may further comprise the steps:

[0031] The first step, soil preparation and fertilization: apply all organic fertilizers and chemical fertilizers together as base fertilizer, plow 25cm deep, rake and ridge;

[0032] The second step, seedling cultivation: Soak the seed potatoes with 70% thiophanate-methyl 700 times solution for 5 minutes before seedling cultivation;

[0033] The third step, planing pit: density 45000 holes / hm 2 , plant spacing 33cm, row spacing 70cm;

[0034] The fourth step, pouring potion: pour 0.50 kg of 25% difenoconazole emulsifiable concentrate 2000 times into each hole;

[0035] The fifth step, put the potato seedlings; soak the potato seedlings with 80% allicin 200-300 times for 5 minutes;

[0036] The sixth step is to seal the soil;

[0037] Step 7: Spray 50% benomyl 900 times in the sweet potato cluster stage, and the potion is 30kg / 667...

Embodiment 3

[0039] Embodiment 3 Under above-mentioned test conditions, a kind of control method of sweet potato black spot may further comprise the steps:

[0040] The first step, soil preparation and fertilization: apply all organic fertilizers and chemical fertilizers together as base fertilizer, plow 25cm deep, rake and ridge;

[0041] The second step, raising seedlings: Soak the seed potatoes with 70% thiophanate-methyl 800 times solution for 5 minutes before seedling raising;

[0042] The third step, planing pit: density 45000 holes / hm 2 , plant spacing 33cm, row spacing 70cm;

[0043] The fourth step, pouring potion: pour 0.50 kg of 25% difenoconazole EC 3000 times solution into each hole;

[0044] The fifth step, put the potato seedlings; soak the potato seedlings with 80% allicin 200-300 times for 5 minutes;

[0045] The sixth step is to seal the soil;

[0046] Step 7: Spray 50% benomyl 1000 times for sweet potato clusters, 30kg / 667m 2 .

[0047] Field management and harvest...

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PUM

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Abstract

The invention provides a sweet potato black rot preventing and treating method. Test conditions include: (1) each kilogram of soil medium loam of an experimental field contains 16.4g of organic matter, 47mg of available nitrogen, 18.2mg of rapid available phosphorus and 102mg of rapid available potassium; (2) a test variety is a local mainly-popularized farm variety of Beijing 553; (3) under a production level condition that a target yield is 30000kg / hm<2>, organic fertilizer is utilized as base fertilizer according to 35000kg / hm<2>, and 45% of 15-15-15 potassium sulfate compound fertilizer is all utilized as bottom fertilizer according to 750kg / hm<2>. The preventing and treating method comprises the steps of preparing land and fertilizing; growing seedlings; digging pits; watering medical solution; putting potato seedlings; covering soil; performing field management; harvesting according to a general technology. The method disclosed by the invention is simple, easy and practical, a preventing and treating effect is always 90% or above, productivity effectiveness of farmers is greatly improved, and income can be increased by more than 1000 RMB per 667m<2>.

Description

technical field [0001] The invention belongs to the technical field of sweet potato production, and in particular relates to a method for preventing and treating sweet potato black spot. Background technique [0002] Sweet potato black spot is a devastating disease in sweet potato production, and it is one of the domestic quarantine targets. It is highly harmful and spreads quickly. Not only affect the quality of sweet potato, but also seriously affect the yield of sweet potato. It poses a great threat to sweet potato production and directly affects agricultural production and farmers' income. Over the years, sweet potato black spot has been effectively controlled by applying carbendazim to soak seed potatoes and potato seedlings in production. However, in recent years, due to changes in varieties, bacterial resistance, planting systems and other factors, the damage of sweet potato black spot has increased year by year. Finding an effective control method has become an i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 何振贤
Owner 何振贤