Abstract: Remarkable advantage economic by sunflower seed in-raising transplant than wheat monoculture.It is enhance in high diameter kilograin or leaves significance in different seed in-raising transplant time.Significance change in high diameter kilo-grain or leaves with different sunflower variety.As a result,suitable seed in-raising and transplant times is important to sunflower production.It is prolong growth date enhance yield about 29.01%～48.85% by seed in-raising transplant;different density treatment,yield significance change with DK909 and LH135.