High-quality hybrid rape has a well-developed root system, a thick stem, a large leaf coefficient, many branches, large flowers, and many carobs. Not only is it of good quality, it also generally increases yield by about 30%.
According to comparison, the application of boron fertilizer to hybrid rape at the seedling stage and moss stage increased the branch number by 0.97, the number of carobs per plant increased by 42.8, the number of spikelets degraded by 38.4, the number of kernels per horn increased by 2.94 and the thousand-grain weight increased by 0.34 , An increase of 30.3 kg per mu. A boron deficiency in high-quality rapeseed can easily lead to unrealistic flowers and reduce yield.
Symptoms of boron deficiency in rapeseed: boron deficiency at seedling stage, slow root growth, leaf shrinkage, dark color, plant root swelling in severe cases, purple leaf color, stem growth point withered and dead; boron deficiency in moss period, plants are significantly dwarfed Flower buds wither, petals withered and shriveled; boron deficiency in horns, ovules wither, horns fall off or deformed, and the number of horns is reduced. Clusters are pulled out to continue flowering, but not fruity.
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