Compound for inducing plant male sterility

Abstract

A compound for inducing male sterility of plant (paddy rice, wheat, cotton, etc) is disclosed, which is just the 3-carboxyl-4-pyranone. Its advantages are high efficiency (98% or more), high fruit bearing rate for hybridized seeds, and high selection index (more than 30).

Description

Technical field: [0001] The invention belongs to plant growth regulators, in particular to a compound for inducing male sterility in plants. Background technique: [0002] Chemical male killing (or chemical hybridization) is an extremely important way to utilize crop heterosis. This approach is not restricted by genetic factors, and can realize complete free preparation of hybrid combinations, and can make full use of its heterosis. The method of genetic male sterility (also known as "three-line method" and "two-line method") is not only strictly restricted by genetic genes and cannot widely use germplasm resources, but also has male sterility "defects" in genetic hybrids Genes affect the full play of heterosis and reduce stress resistance and other disadvantages. Since the 1950s, there have been reports on the chemical andricidal research of crops in foreign countries. So far, compounds with andricidal activity have been found to include halogenated fatty acids, alkylphos...

AI Technical Summary

Problems solved by technology

[0004] Genetic "three-line" or "two-line" crops that have not been successfully matched or successfully matched without significant advantages, such as cotton, tobacco, pepper, and the heterosis of crops such as wheat and sorghum have not been used in production or widely used so far

In addition, crops such as cotton and pepper still use manual detasseling and pollination to produce hybrid seeds, which not only has low economic benefits, but also requires a lot of labor during the flowering period, which greatly limits their production and application

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