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向日葵是我国新兴的油料作物,近年来生产发展很快,但亩产仅百余斤。为了进一步探讨向日葵生长发育规律,制订切合向日葵生长发育特点的栽培技术,近三年来为了摸清花盘发育规律,对向日葵花盘发育从外部形态到内部发育进行了观察。并结合水肥管理作了研
Sunflower is an emerging oilseed crop in China. In recent years, its production has been developing rapidly, but its yield is only over 100 jin. In order to further explore the law of growth and development of sunflower and develop cultivation techniques that suit the growth and development of sunflower, we observed the development of sunflower disc from the external morphology to the internal development in the past three years. Combined with water and fertilizer management made a research