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Safe agent and combination agent for damage of amide herbicides to cereal crops

An amide herbicide, amide-targeted technology, applied in the fields of natural product chemistry and agrochemicals

Active Publication Date: 2018-05-08
HUNAN AGRI BIOTECH RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although there have been related reports on herbicide safeners, the research on herbicide safeners is still in its infancy, and there are few reports on natural products protecting plants from amide herbicide safeners

Method used

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  • Safe agent and combination agent for damage of amide herbicides to cereal crops
  • Safe agent and combination agent for damage of amide herbicides to cereal crops
  • Safe agent and combination agent for damage of amide herbicides to cereal crops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A safener against damage to cereal crops by amide herbicides, including methyl jasmonate.

[0027] Evaluation of the effect of methyl jasmonate on the phytotoxicity of rice seedlings induced by sperm metolachlor

[0028] The rice was cultivated by the agar solid medium method, and the rice variety was Xiangzao 32 # , on the basis of determining the phytotoxicity of refined metolachlor to rice seedlings, 0.25 μM was selected as the inhibitory concentration of refined metolachlor to rice seedlings.

[0029] First, weigh an appropriate amount of methyl jasmonate, fully dissolve it with acetone, add Tween to make it fully emulsified. First prepare the methyl jasmonate working solution with a final concentration of 2mg / L, then dilute the methyl jasmonate working solution with a concentration of 2mg / L to obtain concentrations of 1mg / L, 0.5mg / L and 0.25mg / L respectively Methyl jasmonate working solution.

[0030] Treatment groups 1 to 4: add refined metolachlor to 12 agar m...

Embodiment 2

[0032] A safener against damage to cereal crops by amide herbicides, including ethyl jasmonate.

[0033] The disposition method of ethyl jasmonate in the present embodiment is the same as embodiment 1.

[0034] Treatment groups 5 to 7: Add refined metolachlor to 9 agar mediums respectively, wherein the concentration of refined metolachlor in the agar medium is 0.25 μM, and then divide the 9 agar mediums into 3 groups, Every group 3, be respectively treatment group 5, treatment group 6, treatment group 7, then add ethyl jasmonate respectively in the agar medium of treatment group 5~treatment group 7 respectively, obtain ethyl jasmonate concentration and be 1mg / L, 0.5mg / L and 0.25mg / L equal concentration gradient medium.

[0035] Control group: agar medium containing refined metolachlor at a concentration of 0.25 μM, without jasmonate compounds.

[0036] Blank group: the agar medium does not contain the refined metolachlor and jasmonate compounds.

[0037] The effects of the...

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PUM

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Abstract

The invention relates to the fields of natural product chemistry and pesticide science and in particular to a safe agent and a combination agent for damage of amide herbicides to cereal crops. The safe agent for damage of amide herbicides to cereal crops comprises a jasmonic acid ester compound. By adopting the safe agent, the jasmonic acid ester compound is applied to alleviation of damage of amide herbicides to cereal crops for a first time, crops can be relatively well prevented from damage of the amide herbicides, and a novel direction is made for development of herbicide safe agents.

Description

technical field [0001] The invention relates to the fields of natural product chemistry and pesticide science, in particular to a safener and a combination agent for damage to cereal crops by amide herbicides. Background technique [0002] Amide herbicides are one of the most widely used herbicides in the world. Because of their high efficiency and broad spectrum, they can be used to control annual grass weeds and some broad-leaved weeds. However, amide herbicides tend to cause phytotoxicity to rice, wheat, tobacco and other crops. Because rice is very sensitive to amide herbicides, the use of amide herbicides in paddy fields is likely to cause phytotoxicity to rice, which limits the application of amide herbicides in paddy fields. Herbicide safeners are a class of substances that reduce the harmful effects of herbicides on crops. The use of herbicide safeners can effectively protect crops from herbicides without affecting the activity of herbicides on weeds. At present, t...

Claims

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Application Information

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IPC IPC(8): A01N25/32A01N37/22A01P13/00
CPCA01N25/32A01N37/22
Inventor 邓希乐柏连阳周小毛郑文娜李祖任
Owner HUNAN AGRI BIOTECH RES CENT
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