Application of thiamethoxam in preventing and controlling potato scab and methods for preventing and controlling potato scab

A technology for potato scab and thiamydone, which is applied in the directions of application, botanical equipment and methods, chemicals for biological control, etc., can solve the problems of easy generation of drug resistance, difficult disease control, environmental pollution, etc., and achieves reduction of The probability of bacterial infection, the improvement of utilization rate, and the effect of improving disease resistance

Active Publication Date: 2018-02-06
陕西西大华特科技实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, conventional bacterial pesticides such as copper quinoline and Zhongshengmycin are generally used to prevent and control bacterial diseases such as potato scab in my country. However, the cost of using conventional bacterial pesticides is too high, and it is easy to produce drug resistance. It is difficult to control the outbreak of the disease, and excessive use will cause environmental pollution.

Method used

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  • Application of thiamethoxam in preventing and controlling potato scab and methods for preventing and controlling potato scab
  • Application of thiamethoxam in preventing and controlling potato scab and methods for preventing and controlling potato scab
  • Application of thiamethoxam in preventing and controlling potato scab and methods for preventing and controlling potato scab

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] Example 1: In this example, the laboratory toxicity test shows that 3% thiamethoxam wettable powder has a good inhibitory effect on potato scab bacteria.

[0020] experiment method

[0021] The growth rate method was used to determine the antibacterial activity of the test agent by culturing in a toxic medium. On the basis of the preliminary test, set 5 concentrations: active ingredient 5, 6, 7.5, 10, 15 μg / mL (preparation diluted 6000 times, 5000 times, 4000 times, 3000 times, 2000 times), under sterile conditions, Mix the medicament with the oat agar medium to make a toxic medium for the test medicament, take the oat agar medium plate without the medicament as the blank control, shake well, and pour it into a 90mm petri dish while it is hot to make a plate. After solidification, insert the mushroom cake (Φ=5.0mm) with consistent growth. Each treatment was repeated 3 times and cultured at 32°C.

[0022] After the blank control was overgrown with the petri dish, meas...

example 2

[0030] Example 2: Prevention and treatment of potato scab in Mafangzi Base, Guyuan County.

[0031] Test method: Select healthy potatoes and cut the seed potatoes larger than 40g into 30-50g potato cubes before sowing, each potato cube has bud eyes, and then soak the seed potatoes with a solution of 3% thiamethoxam wettable powder , When soaking seeds, the ratio of chemical: water: seeds is 1:500:10000, and in the sowing period, use fine brake 80g / mu for furrow application, and choose non-Solanaceous crops for ridge cultivation, ridge width 90cm, sowing depth 20cm , the distance between plants is 15cm, the planting density is 4800 plants / mu, and 30kg of urea, 100kg of superphosphate and 80kg of potassium sulfate are applied per mu during the potato growth period. The spraying rate of drip irrigation 3% thiazolone wettable powder in the first 7 days of the tuber stage is 150g / mu, and the spraying rate of drip irrigation 3% thiazolone wettable powder is 100g / mu when the temperat...

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Abstract

The invention provides application of benziothiazolinone to prevention and treatment of potato common scab, and benziothiazolinone wettable powder with the concentration being 3% can be adopted; the method for preventing and treating potato common scab includes the steps that benziothiazolinone with the concentration being 3% is adopted to conduct seed soaking on mother potatoes, and furrow application and trickle irrigation are conducted in the sowing period and growing period of potatoes. By means of the medicament and method, the attack rate and disease index of potato common scab can be effectively lowered, the utilization rate of potato tubers is raised, and certain economic profits are brought. The medicament is safe and efficient, and the method is simple, convenient, easy to operate and beneficial to application and popularization.

Description

technical field [0001] The invention relates to the technical field of potato pathogen control, in particular to a control agent and a control method for potato scab. technical background [0002] Potato scab is one of the important diseases of potatoes. It occurs all over the country. It mainly harms potato tubers and affects potato quality. It generally reduces production by 10%-30%, and some fields reduce production by more than 40%. [0003] Potato scab is a serious hazard to potatoes in potato growing areas in my country. In recent years, many potato producing areas have aggravated the trend. At present, conventional bacterial pesticides such as copper quinoline and Zhongshengmycin are generally used to prevent and control bacterial diseases such as potato scab in my country. However, the cost of using conventional bacterial pesticides is too high, and it is easy to produce drug resistance. It is difficult to control the outbreak of the disease, and excessive use will c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01N25/14A01P1/00A01P3/00
CPCA01N25/14A01N43/80
Inventor 王鹏李晓刚霍东飞石文博王卫雄
Owner 陕西西大华特科技实业有限公司
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