Boost yield and improve quality
隐藏域元素占位
Boost yield and improve quality
Application of Regulators to Boost Yield and Improve Quality
Gibberellic acid
Spraying 20-25 mg/L gibberellic acid liquid on the leaves during the flowering stage can improve the seed setting rate of rapeseed.
Brassinolide
Brassinolide seed soaking and foliar spraying at the early or full blooming stage can increase the chlorophyll content of its leaves, and the seed soaking with 0.3 mg/L liquid medicine and 0.5 mg/L spraying at the full blooming stage have the best effect and can maintain a high level The time of chlorophyll level is relatively long, which can increase the SOD, POD activity and proline content of rape leaves, and reduce the content of malondialdehyde.It can increase the number of pods per plant, the number of pods and the weight of thousand seeds, and the yield is more than 10% higher than that of the clear water control.
Triacontanol
For the vigorously growing rapeseed, spraying the leaves with 0.5 mg/L triacontanol solution at the beginning of flowering is beneficial to increase the seed setting rate and thousand-grain weight, and improve the quality of the grains. The control (133.1) increased by 40.27%, and the number of seeds per horn was 18.2, an increase of 15.19% compared with the control.For plants with normal growth, spray triacontanol with the same concentration once more in the bolting stage, which can increase the length of the main inflorescence, and generally increase the yield by 10% to 15%. For fields with severe boron deficiency, the mixed solution of borax and triacontanol can be sprayed, and the yield increase effect is also obvious.
Sodium Nitrophenolate
During the flowering and fruiting period of rapeseed, the rainwater is prone to waterlogging. The field was irrigated through the test to create waterlogging for 10 days (the field was flooded with 0-3 cm), and the foliar spray of sodium nitrophenolate 10 mg/day was applied on the third day after the waterlogging ended. L can significantly reduce rape yield loss.Soaking seeds with 1.8% nitrophenol amine water solution 3 mg/L for 24 hours can promote the early emergence of seedlings, increase the number of leaves, and strengthen the seedlings. It is also possible to spray 6 mg/L sodium nitrophenolate solution at the seedling or flowering stage, which can promote reproductive growth, flowering, and increase the number of pods and grain weight per plant.
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