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抗虫杂交棉优势利用随抗虫棉的诞生 ,出现了空前发展的态势 ,随种子产业化的发展 ,棉种杂交化将出现一次大的飞跃。而利用洞 A不育系制种技术已完全成熟 ,是棉花杂交优势利用最好的手段之一。1洞 A核不育系的特点及制种利弊1 .1洞 A核不育系不育株与可育株各占 50 %洞 A不育是
Advantages of insect-resistant hybrid cotton With the birth of insect-resistant cotton, there has been an unprecedented trend of development, with the development of the seed industry, hybrid cotton varieties will be a big leap. The use of cave CMS sterile seed production technology has been fully mature, is one of the best means of cotton hybrid advantage. 1 hole A nuclear sterile lines characteristics and seed production advantages and disadvantages 1.1 hole A nuclear sterile lines and sterile lines each account for 50% of the hole A sterile