Genetic control of aluminium tolerance in okra (Abelmoschus esculentus (L.) Moench)

被引：5
|
作者：
Singh, D. [1 ]
机构：
[1] Cent Agr Univ, Coll Hort & Forestry, Dept Plant Breeding & Genet, Pasighat 791102, Arunachal Prade, India
来源：
SCIENTIA HORTICULTURAE | 2012年 / 138卷
关键词：
Aluminium tolerance; Genetic control; Hematoxylin staining; Okra; INHERITANCE; WHEAT;
D O I：
10.1016/j.scienta.2012.01.032
中图分类号：
S6 [园艺];
学科分类号：
0902 ;
摘要：
Okra (Abelmoschus esculentus) genotypes 'Parbhani Kranti' and 'Arka Anamika' resistant to Al3+ were crossed to two aluminium-sensitive genotypes, 'CO-203' and 'Punjab-7' to determine the nature of inheritance of resistance. The parents, F-1, F-2 and F-3 generations were grown in nutrient solution containing 10 mg/l Al3+ for hematoxylin staining of root tips and classified for tolerance. The segregation ratios between the resistant and sensitive genotypes in the F-2 (n=1071) and F-3 (n=335) were 15: 1 and 7:8:1, respectively. These results indicated that Al3+ resistance is controlled by two dominant genes. This is the first report of Al3+ resistance in okra. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：134 / 137
页数：4
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