DENG Shuang-li,LI Zhuo-fu,SUN Yan-li.The Influence of Male Parent Type on the Variance of Main Agronomic Traits in F2[J].HEILONGJIANG AGRICULTURAL SCIENCES,2004,(05):4-6.[doi:10.11942/j.issn1002-2767.2004.05.0004]
小麦不同类型父本对F2 代主要农艺性状变异的影响
- Title:
- The Influence of Male Parent Type on the Variance of Main Agronomic Traits in F2
- 文章编号:
- 1002 -2767(2004)05 -0004 -03
- Keywords:
- spring wheat ; parents quality ty pe ; F2 variance ; ag ronomic t raits
- 分类号:
- S512 .103
- 文献标志码:
- A
- 摘要:
- 试验采用龙麦26 为母本, 东123 、东97 -4056 、野猫为父本的三个杂交组合及其F2 代为试验材料, 采取随机区组的试验设计, 测定了亲本及F2 代12 个主要农艺性状, 对数据进行方差分析。由数据分析结果可以看出, 不同类型的父本对F2 代几个主要农艺性状的影响效果不同。在株高、分蘖、主穗有效小穗数、单株粒重和收获指数上, 父本对后代遗传控制效果明显。对不同组合应采取不同的策略, 才有利于选育高产优质的小麦品种。
- Abstract:
- Spring wheat variety Longmai 26 was used as female parent to cross w ith 3 v arietis o r linesincluding Dong123 ,Dong97 -4056 and wildcat .The Crossing parents and their F2 plants were plantedin field according the random block design .12main ag ronomic Characters w ere determined and analyzedstatistically for F2 plant s and their parents .The results show that different male parent has various influences on several main ag ronomic trai ts in F2 .On some characters like plant height , tiller number ,available spikelet number of main spike , grain w eight per plant and harvest index , and ef fect of maleparent s on genetic cont rolling of hybrid descendent .To breed wheat variety with hig h yield and qualitystrategies would be used according to different cross combinations .
参考文献/References:
[ 1]阮仁武, 傅大雄, 戴秀梅.小麦主要产量性状的杂种优势和遗传分析[ J] .西南农业大学学报, 2002 , 24(1):141-145.
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备注/Memo
收稿日期:2004 -05 -18