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首页> 外文期刊>Acta Horticulturae >Phenotypic recurrent selection in artichoke breeding
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Phenotypic recurrent selection in artichoke breeding

机译：朝鲜蓟育种中的表型轮回选择

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The phenotypic recurrent selection aims to increase the favourable allelic frequency during successive selection cycles, which may result in an open-pollinated cultivar. Therefore, the purpose of this work was to obtain an artichoke population improved for traits related with head quality as well as to estimate the genetic gains for quantitative traits after selection. From a base population with 147 plants (CO), 12 were selected for desirable characteristics for in natura consumption and intercrossed to form the Ci population, consisting of 180 plants. Eleven of them were selected and intercrossed to originate the C2 (324 individuals). From C>, 11 individuals were selected and recombined performing the C3 population. Three of these populations (Co,Ci and C2) were evaluated regarding 12 quantitative and three qualitative traits. Quantitative data were subjected to an analysis of variance (ANOVA) and mean values were compared by Tukey's test (p<0.05). Genetic gain was estimated for each cycle. Forqualitative data the plants frequency for each trait was evaluated in each cycle. There was a total increase of 25.42% in the frequency of violet head, in the Ci, 87% of plants presenting heads with traces of violet colour. The total increase in the frequency of circular heads was 34.7%, whereas the absence of thorns increase was 43.2%. Significant variations among cycles for most of the quantitative traits were observed. Phenotypic recurrent selection results in an improved artichoke population for heads quality and some quantitative traits.
机译：表型轮回选择的目的是在连续的选择循环中增加有利的等位基因频率，这可能导致开放授粉的品种。因此，这项工作的目的是获得一个改善了与头部品质有关的性状的朝鲜蓟种群，并估计选择后的数量性状的遗传增益。从具有147株植物（CO）的基本种群中，选择12种具有自然消费需求的理想特性，并交叉形成由180株植物组成的Ci种群。选择其中的11个并进行杂交以产生C2（324个个体）。从C>中，选择11个人并重组以进行C3种群。对其中的三个种群（Co，Ci和C2）进行了评估，涉及12个定量和三个定性特征。对定量数据进行方差分析（ANOVA），并通过Tukey检验比较平均值（p <0.05）。估计每个周期的遗传增益。定性数据在每个循环中评估每种性状的植物频率。在Ci中，有87％的植物呈现出紫罗兰色的痕迹，其中紫罗兰的总出现频率增加了25.42％。圆头出现的总频率增加了34.7％，而没有刺的增加了43.2％。观察到大多数定量性状在周期之间的显着变化。表型的反复选择可改善朝鲜蓟种群的头部品质和某些数量性状。

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