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Composite for preventing and treating gray mold of cucurbita pepo and bactericide prepared by composite

The technology of a zucchini and a composition is applied in the field of prevention and control of zucchini gray mold, can solve problems such as difficulty in guaranteeing, and achieve the effects of reducing the usage amount, preventing the occurrence of resistance, and preventing and controlling the zucchini gray mold

Inactive Publication Date: 2018-09-28
林荣铨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the Botrytis cinerea of ​​zucchini has not developed resistance to difenoconazole, but with the increase of time, usage and frequency, it is difficult to guarantee that the Botrytis cinerea of ​​zucchini will not develop resistance to difenoconazole

Method used

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  • Composite for preventing and treating gray mold of cucurbita pepo and bactericide prepared by composite
  • Composite for preventing and treating gray mold of cucurbita pepo and bactericide prepared by composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A composition for preventing gray mold of zucchini, comprising the following components: difenoconazole, umbelliferone and graphene oxide, wherein the mass percentages of the three components mixed are shown in Table 1.

[0024] Table 1 The mass percentages of the three components mixed

[0025]

Embodiment 2

[0027] Indoor toxicity assay of composition described in table 1, the process of test is as follows:

[0028] Test object: wild strain of zucchini gray mold (Botrytis cinerea).

[0029] The preparation method of compositions 1 to 8 in Table 1 is as follows: weigh 3 components according to Table 1, then dissolve the 3 components in the ethanol solution, then slowly mix the 3 ethanol solutions while stirring, After mixing and stirring for more than 3 hours, the mother liquor can be prepared and set aside.

[0030] The growth rate method was used to measure the inhibitory rate of compositions 1 to 8 against wild strains of cinerea cinerea, and a group of blank control groups CK were set up, with single doses of difenoconazole, umbelliferin and graphene oxide as For comparison, the results are shown in Table 2.

[0031] Table 2 Compositions 1 to 8 are the results of the inhibitory rate of wild strains of zucchini gray mold

[0032]

[0033] It can be seen from Table 2 that u...

Embodiment 3

[0044] Compositions 1-6 are used as active ingredients, which can be processed into suitable dosage forms according to the control environment and use requirements of zucchini gray mold, and the commonly used suitable dosage forms are wettable powder, water dispersible granule, suspension concentrate, emulsifiable concentrate or granules.

[0045]Among them, when processed into wettable powder, the mass percentage of each raw material is: 10% to 50% of any composition in the above compositions 1 to 8, 1% to 8% of the dispersant, and 1% to 8% of the wetting agent. 2% to 8%, and then make up to 100% with filler.

[0046] When processed into water-dispersible granules, the mass percentage of each raw material is: 10%-80% of any composition in the above-mentioned compositions 1-8, 1%-8% of the dispersant, and 2% of the wetting agent. % to 8%, the binder is 0.5% to 5%, the disintegrant is 0.2% to 5%, and then filled to 100%.

[0047] When processed into a suspending agent, the ma...

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Abstract

The invention discloses a composite for preventing and treating gray mold of cucurbita pepo and a bactericide prepared by the composite. The composite is prepared from, by mass, 50-80% of difenoconazole, 10-40% of umbelliferone and 1-15% of oxidized graphene. According to the composite for preventing and treating gray mold of cucurbita pepo, difenoconazole, a plant extract (umbelliferone) and oxidized graphene are mixed, and the three components achieve synergism within a specific proportion range; the mixed composite reduces the dosage of difenoconazole and meanwhile has great inhibition activity on gray mold of cucurbita pepo, wherein the inhibition activity is equivalent to that of a single agent (difenoconazole). After the mixed composite is made into the bactericide for use, gray moldof cucurbita pepo can be effectively prevented and treated, the dosage of difenoconazole can also be reduced at the same time, and the situation is slowed down and / or avoided that pathogenic bacteriaof gray mold of cucurbita pepo has resistance to difenoconazole.

Description

technical field [0001] The invention relates to the technical field of preventing and treating gray mold of zucchini, and more particularly, relates to a composition for preventing and treating gray mold of zucchini and a fungicide prepared therefrom. Background technique [0002] Zucchini (Cucurbitapepo L.) contains more nutrients such as vitamin C and glucose, and has the effects of relieving restlessness and thirst, moisturizing the lungs and relieving cough, clearing heat and diuresis, and reducing swelling and stagnation. Zucchini likes coolness and is afraid of high temperature. Now Qinghai Province and other regions are developing and building it as a key industry, and the planting area is relatively large. However, with the continuous expansion of planting area and continuous cropping for many years, gray mold has gradually become an important disease. The pathogens generally first infect the early petals from the withered female flowers, which become water-soaked o...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N43/16A01N59/00A01P3/00
CPCA01N43/653A01N43/16A01N59/00
Inventor 林荣铨
Owner 林荣铨
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