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地膜玉米制种以高产、优质、高效的优势。在北方春播制种区受到种农和种子公司的青睐,并得到迅速推广。由于采用了地膜覆盖,玉米自交系的种植形式和生长环境改变,使得自交系本身的特征特性发生了明显的变化。这种变化使得父母本花期调控
Mulching plastic seed to high yield, high quality, high efficiency. Spring planting areas in the north were favored by farming and seed companies and were rapidly promoted. Due to the plastic film mulching, the planting forms and growth environment of maize inbred lines changed obviously, so the characteristic features of inbred lines themselves changed obviously. This change allows parents to flowering regulation