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一、利用亚麻杂种优势的重要性目前,杂种优势已在多种农作物上广泛应用并已取得十分明显的效果。其中尤以杂交水稻的成就最为突出,比一般常规品种增产30—40％。此外,玉米、高粱、油菜、向日葵等多种作物的杂种优势应用也相继成功,其增产幅度一般在25—35％或更高。杂种优势的另一个突出特点就是具
I. The Importance of Utilizing the Heterosis of Flax At present, the heterosis has been widely used on many kinds of crops and has obtained very obvious effects. Among them, the achievements of hybrid rice are the most prominent, with 30-40% more yield than the conventional varieties. In addition, the heterosis applications of corn, sorghum, rapeseed, sunflower and other crops have also succeeded one after another, and their yield increase is generally 25-35% or more. Another prominent feature of heterosis is with