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1·Milling and appearance quality of hybrid rice were mainly influenced by the additive gene.

碾米品质和外观品质性状主要受加性基因的影响。

2·The line Jiao 51 was found with high GCA and higher non-additive gene effect in the hybrids in which Jiao 51 was a parent. Therefore, Jiao 51 was an elite line.

结果表明，自交系交51具有较高的一般配合力和其配出的组合易出现较强的非加性基因效应。

3·The results showed that the heredity of quality characters was induced mainly by additive gene effects. The changes in brix, PR, Pol and SC were affected by male parents.

结果表明，品质性状的遗传主要由 基因加性效应引起，其中蔗汁锤度、旋光读数、转光度、蔗汁蔗糖分主要由父本 基因加性效应引起。

4·The results obtained were as follows:The variation of tuber reducing sugar and dry matter contents in cultivated potatoes was wide, and both of them were controlled mainly by gene additive effect.

结果表明，马铃薯栽培种间块茎还原糖及干物质含量的变异很大，并且主要是由基因加性效应引起的。

5·The additive effect of resistant gene was found among the interspecific hybrids.

种间杂交后代中，抗性基因的作用表现为加性效应。

6·Variation in rooting ability is mainly affected by gene additive effect. Selection for rooting capacity and its utilization is effective and individual selection is more effective than family one.

生根能力的差异主要受基因加性效应控制，对生根能力选择利用效果明显，单株选择较家系选择效果好，其中以全同胞单株选择利用潜力最大。

7·The results showed that the weak light-resistant ability of tomato has significant hereditary effects on dominant character and gene interaction while there exists part additive effect of heredity.

结果表明：番茄耐弱光性以显性遗传和基因互作效应为主，存在部分加性遗传效应。

8·The additive effect of the gene on litter size in Tailiu Pig is 1.39 higher than the allele in Landrace. The gene in Taihu Pig is dominant to the allele in Landrace with dominant ratio of 0.81.

太湖猪产仔数性状基因加性值比长白猪高1．39头，太湖猪高产仔数基因对长白猪等位基因呈显性，显性度为0．81。

9·Results Different models (additive or multiplicative) in analyzing gene-environmental interaction yielded different results.

结果对基因环境交互作用的分析依赖于相加或相乘模型的选择。