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在水稻5×5双列交F_2杂种中,发现加性效应对于谷粒产量以及非加性的显性效应对于至开花天数、株高和不育性都是重要的。“Dharial”是至开花天数,不育性及千粒重的最佳的一般配合者。“IR665”是株高及每穗粒数的最佳配合者。“IR297”尽管是多数性状的不良的一般配合者,但与其它一般配合力好的或差的亲本杂交,可以产生出不同性状的最佳特定组合。对一般配合力及特殊配合力来说。F_2数据可以可靠地应用于除产量之外的其它某些特定性状的研究。
In F 2 hybrids of 5 × 5 rice crosses in rice, it was found that the additive effect on grain yield and non-additive dominance effect was important both for flowering days, plant height and sterility. “Dharial” is the best general partner to days of flowering, sterility and 1000-grain weight. “IR665” is the best fit of plant height and grain number per spike. Although “IR297” is a poor general partner of most traits, it is possible to produce the best specific combinations of different traits with other general combining or poor parental crosses. For general combining power and special combining power. F_2 data can be reliably applied to studies of certain other traits besides yield.