冈优22是一个高产抗病的优良组合．在贵州种植面积不断扩大，但其制种一直是一个难点。根据冈优22亲本特征特性．采用提高基本苗、培育高产群体、配方施肥、增施钾肥、适时适量喷施“920”，提高异文结实率，从而使制种产量上了一个台阶，取得了实破性进展。 Gang You 22 is a good combination of high yield and disease resistance. Growing area in Guizhou has been expanding, but its seed production has been a challenge. According to Gang You 22 parent characteristics. By raising basic seedlings, cultivating high-yielding population, formulating and fertilizing, increasing potash fertilizer, timely spraying “920” and raising the rate of foreign-language seed setting increased seed production to a higher level and achieved substantial progress.