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穗期阶段生育特点。营养生长和生殖生长同时并进,即叶片增大、茎节伸长、节根出生等营养器官旺盛生长和雌雄穗等生殖器官开始分化与形成同时进行。到开花散粉时,营养体全部建成,株高基本定型,雌雄穗生殖器官分化形成。此阶段地上干物
Growth characteristics of the spike stage. At the same time, vegetative growth and reproductive growth go hand in hand, ie the growth of vegetative organs such as leaf enlargement, stem elongation, rooting and other reproductive organs began to differentiate and form at the same time. To flowering loose powder, all the nutrients were built, the basic shape of plant height, male and female spikes reproductive organs formed. Above this stage dry matter