Therapeutic effect of paclobutrazol in rapeseed

The application method is generally spraying 15010-6 paclobutrazol per 667 square meters when the rapeseed meal is about 15 cm high. However, for different growing fields, the time for application of paclobutrazol should be different: that is, high-yield fields with strong growth should be applied early, and those with moderate growth should be postponed.
The results of application of specific effects to increase the number of knots and grains showed that the plant type structure changed after spraying paclobutrazol in rapeseed stage, the number of knots per plant increased by 9.4% to 11.4%, and the number of grains per pod increased by 2.5 to 4 The rapeseed yield increased by 8.78% to 9.99%, but due to the delayed growth period, the rape grain filling slightly affected. The results of the enhanced rape resistance test in late stage indicated that the application of paclobutrazol in rapeseed could promote the thickening of tubers, shortening the internodes, shortening the plants, and enhancing the strength of the stalks, which improved the lodging resistance of rapeseed. In addition, the incidence of Sclerotinia sclerotiorum was 11.5%~12.2% lower than that of non-spraying.

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