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Pesticide synergist combination for preventing and controlling grey mould of fruits and vegetables

A technology for botrytis and pesticides, which is applied in the field of synergistic combination of pesticides for preventing and treating botrytis in fruits and vegetables, and can solve problems such as damage to cabbage and yield reduction.

Inactive Publication Date: 2019-05-21
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Botrytis cinerea is a fungal disease caused by Bottytis cinerea. In addition to cabbage, it can also damage tomatoes, eggplants, cabbage, radishes, grapes and other fruits and vegetables, often causing a large amount of yield loss.

Method used

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  • Pesticide synergist combination for preventing and controlling grey mould of fruits and vegetables
  • Pesticide synergist combination for preventing and controlling grey mould of fruits and vegetables
  • Pesticide synergist combination for preventing and controlling grey mould of fruits and vegetables

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Experimental program
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Embodiment 1

[0010] (1) Materials and methods

[0011] The tested strain: Bottytis cinerea, which was isolated and identified from the cabbage gray mold diseased strain in the cabbage planting base of Xiuwen County, Guizhou Province.

[0012] Test agents: 25.5% pyridoxazole EC (Shenyang Research Institute of Chemical Industry), 10% difenoconazole WG (Swiss Syngenta).

[0013] (2) Toxicity determination

[0014] The indoor toxicity test was carried out with reference to the "Standard Operating Specification for Pesticide Biological Activity Testing", and was determined by the mycelial growth rate method. According to the results of the pre-test, the test agent was serially diluted to prepare a drug-containing plate, and each treatment above was repeated 4 times. Use an inoculation needle to transfer the bacteria cake to the center of each drug-containing plate, place it in an incubator at 28°C for 5 days, measure the colony diameter of each treatment with the cross method, calculate the i...

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Abstract

The invention discloses a pesticide synergist combination for preventing and controlling grey mould of fruits and vegetables. The pesticide synergist combination is composed of pyrisoxazole and difenoconazole. The pyrisoxazole and the difenoconazole are compounded and mixed in a mass ratio of 1:1, the combination has an obvious synergistic effect on inhibition of the mycelial growth of grey mouldgerms, the field prevention and control effect can reach 91% or above, the prevention and control effect is remarkable, the usage amount of a pesticide can be effectively reduced, and the cost is saved. The pesticide synergist combination has the advantages of being efficient, safe, low in cost, lower in pesticide usage amount and the like.

Description

technical field [0001] The invention relates to the field of plant protection in agriculture, in particular to a pesticide synergistic combination for preventing and treating gray mold of fruits and vegetables. Background technique [0002] Cabbage gray mold is a fungal disease caused by Bottytis cinerea. In addition to cabbage, it can also damage tomatoes, eggplants, cabbage, radishes, grapes and other fruits and vegetables, often resulting in a large reduction in yield. Because Botrytis cinerea has the characteristics of wide host range, rapid reproduction, large genetic variation, high fitness, and easy drug resistance, the production of p-benzimidazoles (carbendazim, benomyl) and dicarboximide Fungicides (procymidone, vinprozolin, iprodione), N-phenylcarbamate (dimethocarb), anilinopyrimidines (pyrimethanil, cyprodinil) and other fungicides are widely used develop resistance. In recent years, new fungicides have been developed and put into plant disease control, and th...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/653A01P3/00
Inventor 吴小毛张承龙友华王秋萍李姣红李荣玉尹显慧胡安龙樊荣
Owner GUIZHOU UNIV