江苏农业学报
江囌農業學報
강소농업학보
JIANGSU JOURNAL OF AGRICULTURAL SCIENCES
2015年
3期
489-493
,共5页
王健胜%侯桂玲%李少钦%陈明辉%田建华%李殿荣
王健勝%侯桂玲%李少欽%陳明輝%田建華%李殿榮
왕건성%후계령%리소흠%진명휘%전건화%리전영
甘蓝型油菜%产量及品质性状%遗传分析
甘藍型油菜%產量及品質性狀%遺傳分析
감람형유채%산량급품질성상%유전분석
Brassica napus L.%yield trait and quality trait%genetic analysis
为了探讨甘蓝型油菜育种材料的遗传效应,采用MINQUE(1)统计方法及AD模型对11个甘蓝型油菜育种材料及其杂种后代的产量性状和品质性状进行了遗传分析。结果表明,4个主要性状均存在极显著的加性效应和显性效应,其与环境的互作效应也达到了极显著水平,品质性状的遗传率明显高于单株产量的遗传率;4个性状的杂种F1和F2代平均优势表现较好,而超亲优势表现普遍较差;品质性状间存在较好的相关性,但其与单株产量的相关性较差;所有亲本主要性状的遗传效应差异明显,选用适合亲本可实现对特定目标性状的有效改良。
為瞭探討甘藍型油菜育種材料的遺傳效應,採用MINQUE(1)統計方法及AD模型對11箇甘藍型油菜育種材料及其雜種後代的產量性狀和品質性狀進行瞭遺傳分析。結果錶明,4箇主要性狀均存在極顯著的加性效應和顯性效應,其與環境的互作效應也達到瞭極顯著水平,品質性狀的遺傳率明顯高于單株產量的遺傳率;4箇性狀的雜種F1和F2代平均優勢錶現較好,而超親優勢錶現普遍較差;品質性狀間存在較好的相關性,但其與單株產量的相關性較差;所有親本主要性狀的遺傳效應差異明顯,選用適閤親本可實現對特定目標性狀的有效改良。
위료탐토감람형유채육충재료적유전효응,채용MINQUE(1)통계방법급AD모형대11개감람형유채육충재료급기잡충후대적산량성상화품질성상진행료유전분석。결과표명,4개주요성상균존재겁현저적가성효응화현성효응,기여배경적호작효응야체도료겁현저수평,품질성상적유전솔명현고우단주산량적유전솔;4개성상적잡충F1화F2대평균우세표현교호,이초친우세표현보편교차;품질성상간존재교호적상관성,단기여단주산량적상관성교차;소유친본주요성상적유전효응차이명현,선용괄합친본가실현대특정목표성상적유효개량。
In order to study the genetic effects of agricultural traits of rapeseed breeding lines, inheritance analysis of the yield traits and quality traits for 11 elite rapeseed parents and their F1 were conducted using MINQUE(1) method and AD model. Four traits showed significant additive effects and dominant effects, and their interactions with environment were significant as well. The quality traits showed higher heritability than yield per plant. The F1 and F2 of the four traits exhibi-ted good mid-parent heterosis but poor better-parent heterosis. Correlations were found among the quality traits, not between quality traits and yield per plant. All 11 parents had a wide range of difference in genetic effect of main agricultural traits, which made it possible for them to be used for target trait-oriented improvement.