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一九七四年以来,我所先后向国内外引进一批甘兰型油菜进行试种,并布置各县进行同一试验.各试验点油菜苗期表现生长均为良好,但到开花盛期,却出现开花多,结荚少,花序极不整齐的畸异现象,当时,我们误认为是品种选择不当,气候不适应外来种的生长发育,施肥不足,病害等引起的.后查阅外地资料,得知甘兰型油菜缺硼,容易出现生长不正常及花而不实等缺素症状.湖北、安微等省报道甘兰型油菜,由于喷硼防止了花而不实,增产10
Since 1974, we have introduced a number of Brassica napus to the domestic and foreign countries for trial planting and arranged the same county to carry out the same test.The growth and development of rapeseed at each test point were all good, but in the blooming period, However, there were many aberrations such as more flowering, less pods and less inflorescence. At that time, we misunderstood the improper selection of the species, the climate did not adapt to the growth and development of exotic species, insufficient fertilization, diseases, etc. After referring to the field data, That type of Brassica napus lack of boron, prone to growth is not normal and absent-mindedness and other deficiencies symptoms.Hubei, Anwei and other provinces reported rape of Brassica oleracea, spraying boron to prevent the flowery and not real, yield 10