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选用 6个 T型不育系及其相应的保持系与 5个恢复系配制了 30个 T质杂种和 30个相应的 A质杂种、选用 4个 K型不育系及其保持系与 2个 K型恢复系配制了 8个 K质杂种和 8个相应的 A质杂种、选用 6个普通品种配制了 5个化杀组合 ,以研究杂种小麦籽粒的蛋白质含量和面团流变特性在 F1和 F2 中的表现。结果表明 :1胞质杂种 F1和 F2 籽粒蛋白含量均呈近正态分布 ;78%的组合 F1籽粒以超高亲为主 ,12 %的组合表现倾高亲 ;F2 籽粒以超高亲和偏高亲为主 ,约有 2 5%的组合表现近中亲。普通品种间的化杀杂种 F1籽粒以偏高亲和超高亲为主 ,F2 籽粒以近中亲和偏高亲为主。 2 T质杂种和相应 A质杂种的蛋白含量在 F1代差异不显著 ,但在 F2 代 T型胞质可显著提高籽粒蛋白含量 ;K型胞质可显著提高杂种籽粒 F1和 F2 的蛋白质含量。 3T型胞质可提高杂种小麦的面团流变特性 ;K型胞质使面团流变特性变劣。普通品种间的化杀杂种 F1和 F2 的面团流变特性都介于双亲之间 ,某些组合如早优 50 4×核生 2号组合的 F2 杂种表现倾高亲早优 50 4。
Thirteen T-type hybrids and 30 corresponding A-type hybrids were selected from 6 T-type CMS lines and their corresponding maintainer lines and 5 restorer lines. Four K-type CMS lines and two maintainer lines K-type restorer lines were made of eight K hybrids and eight corresponding A-type hybrids, the selection of six common varieties of five kill combinations to study the hybrid wheat grain protein content and the dough rheological properties of F1 and F2 In the performance. The results showed that: 1 The protein content of F1 and F2 in the cytoplasm hybrids showed a nearly normal distribution; 78% of the F1 hybrids were super-high-pro and the 12% High pro-based, about 25% of the performance of near-middle-aged pro. The common hybrid F1 hybrids were mainly high-affinity and ultra-high progenies, and F2 was mainly pro-middle and high-pro-parents. The protein content of 2 T-type hybrids and the corresponding A-type hybrids did not show significant difference in F1 generation, but the T-type cytoplasm of F2 generation could significantly increase the grain protein content. K-type cytoplasm could significantly increase the protein content of hybrid F1 and F2. 3T-type cytoplasm can improve the dough rheological properties of hybrid wheat; K-type cytoplasm deteriorates the rheological properties of the dough. The rheological properties of hybrids F1 and F2 among common varieties were all between their parents. Some combinations such as Zaoyou 504 × Nangsan 2 showed F2 progenies with high pro-long and good pre-504.