Evaluation of Yield Characteristics and Waterlogging Tolerance of Sesame Germplasm with Different Plant Types after Waterlogging
Evaluation of Yield Characteristics and Waterlogging Tolerance of Sesame Germplasm with Different Plant Types after Waterlogging
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发表时间：
2010
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通讯作者：
Liu Dong-hua
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作者：
Liu Dong-hua
在盛花期对66份芝麻种质资源进行淹水处理，结果表明：单轴型和分枝型芝麻种质的产量性状存在明显差异：单株粒重的涝渍指数（69.18%）每株蒴果每株有67.48%的蒴果节（49.10%）囊轴长度株高（45.69%）单轴型种质和单株分支蒴果节型种质的遗传变异率分别为16.40%和16.40单株分支蒴果数占65.96（64.73%）胶囊总数单株粒重（52.01%）每株49.92%主轴蒴果单株主轴蒴果轴长41.66%单株分枝数占37.51%每株有34.21%的主轴蒴果节株高20.12%衍生种质中的耐涝率为15.43%，单轴三被囊种质经耐涝处理后，表现出侧被囊数量的耐涝指数（92.25%）中囊数（50.25%），涝渍型衍生三蒴果种质表现为单株分支侧蒴果数的涝渍指数单株主轴侧蒴果数占92.86%单株中蒴果分支数占69.14单株主轴中蒴果数占44.17根据涝渍后相对产量的聚类分析，将这些种质分为耐涝型和不耐涝型，不耐涝型61份，占92.42%，耐涝型5份，分别为竹山白纸马、西平二郎花、府南纸马、嘉兴金口黑和麻城黑纸马，占7.58%。
Sixty-six accessions sesame germplasm were treated by waterlogging at full flowering stage,and the results showed that there were obvious difference in yield characteristics of monaxial and ramification sesame germplasm:The waterlogging index of seed weight per plant(69.18%)capsules per plant(67.48%)capsule nodes per plant(49.10%)length of capsule axis(45.69%)height per plant(16.40%) in monaxial germplasm and that of branch capsule nodes per plant(65.96%)branch capsules per plant(64.73%)total of capsules(52.01%)seed weight per plant(49.92%)main axis capsules per plant(41.66%)length of main axis capsule axis per plant(37.51%)branches per plant(34.21%)main axis capsule nodes per plant(20.12%)height per plant(15.43%) in ramification germplasm.Monaxial tricapsular germplasm treated by waterlogging showed waterlogging index of numbers of side capsule(92.25%)numbers of middle capsule (50.25%),and ramification tricapsular germplasm with waterlogging showed waterlogging index of numbers of branch side capsule per plant(92.86%)numbers of main axis side capsule per plant(69.14%)numbers of branch middle capsule per plant(44.17%)numbers of main axis middle capsule per plant(32.97%).According to clustering analysis on relative yield after waterlogging,these germplasm could be classified into waterlogging tolerance and non waterlogging tolerance type,61 accesions belonged to non waterlogging tolerance type, accounting for 92.42%,the other 5 accesions with waterlogging tolerance were worth to be utilized,which were Zhushanbaizhima,Xipingerlanghua,Funanzhima,Jiaxingjinkouhei and Machengheizhima,respectively,with the ra- tio of 7.58%.