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Application of cis-1S, 5R-metconazole in regulation of wheat growth

A cis-1s, 1.cis-1s technology, applied in the fields of application, plant growth regulator, plant growth regulator, etc., can solve the problems of high damage to plants, affecting the quality and yield of crops, and the inability of plants to grow well

Active Publication Date: 2021-02-26
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, triazole fungicides are usually accompanied by plant-regulating activities, so the application to plants may be more harmful to plants, often causing plants to fail to grow well, affecting the quality and yield of crops

Method used

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  • Application of cis-1S, 5R-metconazole in regulation of wheat growth
  • Application of cis-1S, 5R-metconazole in regulation of wheat growth
  • Application of cis-1S, 5R-metconazole in regulation of wheat growth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] Step 1. Use high-performance liquid chromatography to separate and purify the metconazole racemate into the leaf fungus group by using Nu-Anylyticl Chiral ND chromatographic column, the mobile phase is n-hexane:ethanol 97:3, and the flow rate is 1.0mL / min. Optical isomer cis-1R, 5S-meconazole, cis-1S, 5R-meconazole (such as figure 1 shown);

[0029] Step 2. Prepare metconazole racemate and optical isomer EC respectively. The formula is: the original drug 99.9% metconazole accounts for 8%, the anionic emulsifier Nongru 500 accounts for 5%, and the nonionic emulsifier Nongru 500 accounts for 5%. Milk 601 accounts for 5%, and the solvent is solvent naphtha S-150, which accounts for 82%, both in mass percentage;

[0030] Step 3, use the prepared metconazole racemate and optical isomer EC according to the label of the commercialized racemate in the United States (60g a.i. / ha, the application interval is 7-10 days, and the same growth period is applied No more than twice), ...

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Abstract

The invention provides an application of cis-1S, 5R-metconazole in regulation of wheat growth. When cis-1S and 5R-metconazole are used in the wheat flowering stage, wheat grain filling and maturationcan be promoted, the dry weight of wheat ears is increased, and when cis-1S and 5R-metconazole are applied in the wheat flowering stage, the bactericidal effect is achieved, and no adverse effect is caused to grain filling, maturation and grain germination after maturation.

Description

technical field [0001] The invention belongs to the field of fungicide application, and in particular relates to the application of cis-1S, 5R-meconazole in regulating the growth of wheat. Under the premise of grain filling, grain quality and yield, it exerts a good bactericidal effect on wheat while reducing damage to the growth of the crop itself, and has a certain growth regulation effect to improve the growth quality of the crop. Background technique [0002] Wheat is a crop widely planted all over the world. Its caryopsis can be used to make steamed buns and noodles, and as a fermentation material, it can be used to make beer, liquor, etc. It is the main food crop. However, fungal diseases of wheat, such as scab, powdery mildew, rust, etc., will have adverse effects on the quality of wheat, and will greatly reduce the yield of wheat. [0003] Meconazole is a new broad-spectrum systemic fungicide. Its mechanism of action is to inhibit the biosynthesis of ergosterol in ...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N25/02A01P21/00A01P3/00
CPCA01N25/02A01N43/653
Inventor 刁金玲邓悦周志强
Owner CHINA AGRI UNIV
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