The study of the source material for the breeding of productive varieties of grain sorghum with a high starch content in the grain

АгроЭкоИнфо Pub Date : 2024-03-28 DOI:10.51419/202142208.

D. Semin, O. Kibalnik, I. Efremova, Victoria Stepanchenko, S. Kukoleva, D. Stepanchenko

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Abstract

As a result of three years of research, valuable lines have been identified for a complex of economically valuable features that are donors of important indicators. The starting material for the selection of varieties with well-developed inflorescences were: L-35/17, L-43/14, L-44/14, L-57/14, L-66/14, L-91/14, L-130/14 (23.9-27.1 cm), which exceeded the Volzhskoe 44 standard by 31.3-49.8% in terms of feature value; for breeding of coarse-grained varieties (by weight of 1000 seeds) , L-62/14, L-80/14, L-91/14, L-98/14, L-130/14, L-132/14, L-138/17, L-o-170/18 (35.0-39.9 g), the excess of the attribute value over the standards was 12.9-28.6%; for the selection of high-yielding grain (5.05-6.68 t/ha) and biomass (17.84–19.63 t/ha) lines L-35/17, L-80/14, L-95/14, L-112/14, L-121/14. A significant variation in the starch content in grain samples was found: from 72.09% (L-252/16) up to 77.30% (L-112/14) with starch content at the standards of 70.70% (Start) and 72.41% (Volzhskoe 44). Productive samples with the highest theoretical yield of grain starch were identified: L-35/17 (3.33 t/ha), L-112/14 (3.40 t/ha) and L-121/14 (4.29 t/ha). Keywords: SORGHUM VARIETY, BREEDING LINE, GRAIN PRODUCTIVITY, STARCH CONTENT AND YIELD

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研究培育谷粒淀粉含量高的高产谷物高粱品种的原始材料

经过三年的研究，已经确定了一些有价值的品系，这些品系具有一系列有经济价值的特征，是重要指标的捐赠者。选育花序发达品种的起始材料有L-35/17、L-43/14、L-44/14、L-57/14、L-66/14、L-91/14、L-130/14（23.9-27.1 厘米），其特征值超过 Volzhskoe 44 标准 31.3-49.8%；用于培育粗粒品种（按 1000 粒种子重量计算）的有：L-62/14、L-80/14、L-91/14、L-98/14、L-130/14、L-132/14、L-138/17、L-o-170/18（35.0-39.9 克）。对于高产谷物（5.05-6.68 吨/公顷）和生物量（17.84-19.63 吨/公顷）品系 L-35/17、L-80/14、L-95/14、L-112/14、L-121/14 的选择，属性值超过标准值的幅度为 12.9-28.6%。谷物样品中的淀粉含量变化很大：从 72.09%（L-252/16）到 77.30%（L-112/14），淀粉含量标准为 70.70%（Start）和 72.41%（Volzhskoe 44）。经鉴定，谷物淀粉理论产量最高的高产样本是L-35/17（3.33 吨/公顷）、L-112/14（3.40 吨/公顷）和 L-121/14（4.29 吨/公顷）。关键词高粱品种育种品系谷物产量淀粉含量和产量

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