【摘要】 通过对切花向日葵进行的引种栽培方面的研究,观察到播种期不同,其生育期长短、植株高矮、叶片数多少、花径大小等也不同．这对延伸切花向日葵的供市期间安排和品种错觉有实际意义．研究表明，作为切花，向日葵的栽培宜采用直播法．更多还原

【Abstract】 The methods of cultivating showy sunflower as a cutflower were studied. The resultsshow that sunflower is a kind of short day flower. In the different sowing period, the length of??the living period,the heteht of the plant,the number 0f the leaves,the sise 0f the dier of theflower are different’ Basing on this result, we can prolong its flowing duration. Besides, it hasbeen destined that it is better to sow the seed in the s0il directly’更多还原