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玉米穗粒发育过程伴随着活跃的生理生化代谢活动，是玉米经济产量形成的关键时期。较多的研究表明：发育阶段、干物质积累与分配、败育等方面均受内源激素调节，有人研究了某些激素对玉米籽粒发育过程的影响和生长调节剂对籽粒发育和败育的调控作用，对内源激素系统的综合调节?
Corn ear grain development process accompanied by active physiological and biochemical metabolic activity, is the key period for the formation of corn economic output. More studies have shown that: endogenous hormones are regulated in aspects of developmental stages, accumulation and distribution of dry matter, abortion, etc. Some people have studied the effects of some hormones on the development of maize grain and the effects of growth regulators on the development and abortion of grains Regulatory role, the integrated regulation of endogenous hormone system?