Joint Segregation of High Glanding with Nectariless and Frego Bract in Cotton

IF 0.7 Q4 AGRICULTURAL ENGINEERING Journal of cotton science Pub Date : 2019-01-01 DOI:10.56454/zghf1019
M. A. Tcach, Monica V. Spoljaric, D. A. Bela, C. Acuña
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引用次数: 1

Abstract

There are mutant alleles in the genus Gossypium that increase its tolerance to insect pests. Among the traits that are effective against different insects, high glanding and nectariless increase cotton tolerance to lepidopteran insects, whereas frego bract suppresses the oviposition of the boll weevil, Anthonomus grandis Boheman. The objectives of this research were to transfer the high-glanding trait to frego-bract and nectariless plants. The genotypes used belonged to G. hirsutum: Guazuncho 3 INTA nectariless ne, SP 26 high glanding HG, and SP 47304 frego bract BF. Crosses between SP 26 HG/Guazuncho 3 INTA ne and SP 26 HG/SP 47304 BF and the F2 and F3 generations were obtained. For the combination of high glanding with frego bract, the frequency of individuals with both features varied from 6.4% in the F2 generations to 24.6% in the F3. For the other combination, high glanding with nectariless, the frequency of recombination was of 7.3% in the F2 and 11.8% in the F3. High glanding, nectariless, and frego bract are independently inherited traits in G. hirsutum. Therefore, it is possible to combine the high-glanding trait with frego bracts or nectariless in the same line.
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棉花无花蜜苞片和无花蜜苞片高腺体的联合分离
棉属植物中存在突变等位基因,增加了其对害虫的耐受性。在对不同昆虫有效的性状中,高腺体和无花蜜增加了棉花对鳞翅目昆虫的耐受性,而果苞片抑制了棉铃象鼻虫Anthonomus grandis Boheman的产卵。本研究的目的是将高腺体性状转移到无苞片和无蜜植物上。使用的基因型分别为:Guazuncho 3 INTA无花蜜型、sp26高腺体型和sp47304果苞型。获得了sp26hg /Guazuncho 3 INTA ne与sp26hg / sp47304 BF和F2、F3代的杂交组合。对于高腺体与高苞片组合,具有这两种特征的个体频率从F2代的6.4%到F3代的24.6%不等。高腺体无蜜组合F2和F3的重组频率分别为7.3%和11.8%。高腺体、无花蜜、苞片为独立遗传性状。因此,在同一品系中,高腺体性状与无苞片或无花蜜性状组合是可能的。
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来源期刊
Journal of cotton science
Journal of cotton science AGRICULTURAL ENGINEERING-
CiteScore
0.90
自引率
20.00%
发文量
0
期刊介绍: The multidisciplinary, refereed journal contains articles that improve our understanding of cotton science. Publications may be compilations of original research, syntheses, reviews, or notes on original research or new techniques or equipment.
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