亲本叶瘟抗性与其一般配合力效应呈显著或极显著正相关；
The resistance of each parent was significantly or extremely significantly positive related to its general combining ability (GCA).
代配合力效应负向明显的是上育397、富士光和东农419，可作为选育低直链淀粉含量为育种目标的理想亲本。
Cross parents with negative combining ability should be selected such as Shangyu 397, Fuji Light and Dongnong 419 when developing low amylose content rice.
最后对5份亲本，20个杂交组合进行配合力和遗传效应分析，为大白菜的品质育种提供理论依据。
Through combining ability and genetic effect analyses of 20 crossing from a set of 5 >< 5diallel crosses to establish the base theory of quality breeding for Chinese cabbage.
配合力分析表明：一般配合力较好的父本290-1和雄性不育系240可作为优良的杂交育种亲本；
The analysis of combining ability showed that Father plant 290-1 and Male sterile line 240 which had high GCA could be regarded as good crossing parents.
其中试验A选取的亲本材料主要来自于杉木的中心产区，主要生长性状经过了一般配合力测定，具有较高的遗传改良水平；
The parents of set A mainly from the center distribution areas were selected in growth traits and had a high genetically improved level.
子粒含油率的一般配合力（GCA）在各亲本间及特殊配合力（SCA）在各组合间均存在显著差异；
The difference between the general combining abilities(GCA) among parents and specific combining abilities(SCA) among combinations was high.
利用配合力分析方法，评价优良亲本。
该法能对两类配合力进行显著性检验，能对各亲本的一般配合力间的差异和各组合特殊配合力间的差异进行显著性检验。
The estimations of GCA and SCA with this method were unbiased. The significance tests of GCA and SCA and differences between GCAs and SCAs were presented in this method.
选育稳产性好的杂交稻组合，至少应有一个稳产性配合力高的亲本。
Breeding hybrid rice combination with high stability of grain yield needs at least one parent with higher GCA for stability.
在产量较低的组合中，也至少有一个亲本的一般配合力较低，相应的特殊配合力也较低，但特殊配合力与产量的高低并不存在一一对应关系。
The results showed that general combining abilities of not less than one of parents are high in high-yield cross combinations, and their special combining abilities are generally high.
亲本连5和高37在3个生长性状中表现出较高的一般配合力效应值，龙5和龙1在木材密度性状上表现出较高的一般配合力效应值。
Parent Long 5 and Gao 37 were highly general combiners for three growth traits, and parent Long 5 and Long 1 were highly general combiners for wood density.
一般配合力效应值的高低顺序与亲本值的高低顺序呈现基本一致的趋势。
Most of the special combining effect values were negative, most of the average heterosis were negative in effect.
其中单株产量主要是受亲本一般配合力的影响，以加性效应为主。
The additive effects were more important than non-additive effects on panicles per plant.
牛耳朵和渣壳油菜的一般配合力效应较高，其杂交组合的特殊配合力效应值也最大，它们是两个含油率较理想的亲本材料。
Niuerdu and Zake cv. had higher GCA effect, their F1 hybrids also had maximum SCA. The two varieties are desirable parents for high oil content breeding.
牛耳朵和渣壳油菜的一般配合力效应较高，其杂交组合的特殊配合力效应值也最大，它们是两个含油率较理想的亲本材料。
Niuerdu and Zake cv. had higher GCA effect, their F1 hybrids also had maximum SCA. The two varieties are desirable parents for high oil content breeding.
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