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首页> 外文期刊>Genetic Resources and Crop Evolution >Adaptive values of wild x cultivated sorghum (Sorghum bicolor (L.) Moench) hybrids in generations F1, F2, and F3.
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Adaptive values of wild x cultivated sorghum (Sorghum bicolor (L.) Moench) hybrids in generations F1, F2, and F3.

机译：F 1 ，F 2 和F 世代的野生x栽培高粱（ Sorghum bicolor （L.）Moench）杂种的适应性值> 3 。

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Gene flow between cultivated and their wild relatives is one of the main ecological concerns associated with the introduction genetically modified (GM) cultivars. GM sorghum cultivar has been developed and its commercial production may be possible in the near future. The rate of gene flow depends on the fitness of wild x cultivated sorghum hybrids. The study aimed at estimating adaptive values of wild x cultivated sorghum hybrids in generations F1, F2, and F3 compared to their parents. Artificial crosses of four wild sorghums, five cultivated sorghums, and two male sterile lines were made to produce the F1 generation, which were advanced to F2 and F3. Each hybrid generation and their respective parents were evaluated for their adaptive value at two sites in a randomised complete block design with seven replicates. The resulting progenies did not show serious fitness penalties. Some hybrids were as fit as their respective wild parents and no consistent differences exist between the three generations studied. Thus, the resultant wild x cultivated hybrids may act as avenue for introgression.
机译：栽培和野生亲缘之间的基因流动是与转基因（GM）品种的引进相关的主要生态问题之一。转基因高粱品种已经开发，其商品化在不久的将来可能实现。基因流的速度取决于野生x栽培高粱杂交种的适应性。该研究旨在估算与亲本相比，F 1 ，F 2 和F 3 世代的野生x栽培高粱杂交种的适应性值。人工杂交了四个野生高粱，五个栽培高粱和两个雄性不育系，产生了F 1 世代，并被升级为F 2 和F 3 。在具有七个重复的随机完整区组设计中，在两个位点评估了每个杂种代及其各自的亲本的适应性值。产生的后代没有表现出严重的体罚。一些杂种与其各自的野生亲本一样健康，在研究的三代之间没有一致的差异。因此，所得的野生x栽培的杂种可以充当渗入的途径。

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