提出控制根数量、适当增加分枝根数目和加深根分布是未来开展水稻根系育种、塑造水稻理想根型的基本方向。

It was supposed that proper root number, much branches and deep-root is a development direction of breeding for ideal type root system in rice.

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提出了未来水稻根系育种的一个方向，既适当控制根系的数量，增加根的平均长度，加深根在土壤中的分布，扩大根系的面积以及提高单位根量的根功能。

Adequate root number, deep root system, and efficient root activity per unit of root biomass will be needed for high-yield rice in the future breeding programs.

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