杂交优势通常在植物中非常普遍在一些动物中也有体现——不过有人猜测，在欧洲皇室中缺乏这种效应。
Hybrid vigour is common in plants and is found in some animals-though, some speculate, it may be lacking in European royalty.
种间杂交后代中，抗性基因的作用表现为加性效应。
The additive effect of resistant gene was found among the interspecific hybrids.
结果表明，用SPNE处理的杂交种子结实率、单株产量和表观遗传效应均高于对照。
The results indicated that the hybrid seed fertility, single plant yield and apparent genetic effect of rice treated by SPNE were higher than the control.
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