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1.蚕豆的落蕾落花非常严重,克服花、蕾的脱落,对提高蚕豆单位面積产量有很大意议。 2.蚕豆花蕾的脱落由两部分组成,不孕花部分必定落蕾,可孕花部分大半落花,克服花及蕾的脱落可从两方面入手:改善外界营养条件(例如於適当时期喷射P、K叶面追肥)及改变内部养分分配状况(例如於適当时期摘顶)。试验已经证明。经过摘顶可以提高产量,但是应当指出:只有配合着外界营养条件的改善合理地进行内部养分分配状况的调整才能獲得最大的效果。 3.摘顶、叶面追肥的时间的决定在过去还是一个疑难,根据蚕豆生理变化舆形态变化的相关性原理,生殖器官变化舆营养器官变化的相关性原理,使得我们有可能根据形态上的变化瞭解生理变化,根据营养器官的变化预测生殖器官的变化,从而在最適宜的时期采取最有效的栽培措施,例如於不孕花序出现前摘顶(即於7片小叶组成的複叶出现前摘顶)於不孕花花芽分化前(即於6片小叶组成的複叶出现前的一定日数)喷射叶面P、K追肥。(待续) 生理变化後的形态反应在蚕豆上特别明顯,如果通过仔细的观察,在其他作物上也可能发现类似的相关现象,而这些现象对於作物栽培具有重大意义。
1. Broad bean fall off the flower is very serious, to overcome the loss of flowers, buds, to improve the production of broad bean per unit area have great suggestions. 2. The broken buds of broad bean buds are composed of two parts. Some parts of sterile cotton buds must fall in buds, and some of them may fall off the flowers. Overcoming the loss of buds and buds can start from two aspects: improving the external nutrient conditions (for example, spraying P, K foliar top dressing) and to change the internal nutrient allocation (eg, top off in due course). The experiment has proved. However, it should be pointed out that the best effect can be obtained only by adjusting the internal distribution of nutrients in line with the improvement of external nutrition. 3. Picked top, foliar top dressing time decision in the past is still a problem, according to the physiological changes in broad beans related to the principle of changes in the morphology of the reproductive organs changes in the relevant organs of nutrition organs, so that we may be based on morphological Changes in understanding of physiological changes, changes in vegetative organs predict changes in reproductive organs, and thus in the most appropriate period to take the most effective cultivation measures, such as in the top of the infertile inflorescence (that is, in front of the compound leaflets composed of 7 leaflets Top) Spray foliar P, K dressing before the flower bud differentiation (ie, a certain number of days prior to the emergence of the compound leaflets of 6 leaflets). (To be continued) Morphological responses after physiological changes are particularly pronounced on broad beans, and similar observations may be found on other crops through careful observation, all of which are of major importance to crop cultivation.