Suppress trace pollen production in the three-line hybrid seed production of rapeseed

Suppress trace pollen production in the three-line hybrid seed production of rapeseed

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Application of regulators in suppressing trace pollen production in the three-line hybrid seed production of rapeseed

隐藏域元素占位

Suppress trace pollen production in the three-line hybrid seed production of rapeseed

Application of regulators in suppressing trace pollen production in the three-line hybrid seed production of rapeseed

Paclobutrazol

The production of three-line rapeseed seeds in southern China will interfere with or even make the production unusable. The yield and quality of spring sowing seeds are not ideal, and it cannot be widely used.Although paclobutrazol does not have a direct effect on the micropowder, it can delay the growth and development and delay the growth period, so that the microspore development is in a temperature-sensitive development without micropowder.According to the experiment in Guizhou, the male sterile line of rapeseed "Shaan 2A", spraying 300 mg/L paclobutrazol liquid once during the peak bolting period (about 1.6 cm before spraying) can reduce the plant height and achieve effective branching once Height, increase the number of branches at a time.Using paclobutrazol can be sown 10-15 days earlier, the plants are robust and free of micronized powder, and the yield and quality of seed production can be improved.

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