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湖北省白皮小麦品种穗发芽抗性鉴定及改良

ISSN号：0439-8114
期刊名称：《湖北农业科学》
时间：0
分类：S512.1[农业科学—作物学]
作者机构：[1]湖北省农业科学院粮食作物研究所,湖北省粮食作物种质创新与遗传改良重点实验室,武汉430064, [2]长江大学主要粮食作物产业化湖北省协同创新中心,湖北荆州434025
相关基金：湖北省农业科学院青年基金项目（2013NKYJJ02）;湖北省农业科学院创新中心竞争性计划项目（2015jzxjh02）; 湖北省农业科技创新中心资助项目（2007-620-02-03）; 湖北省公益性科技研究项目（2013BBB07）; 湖北省科技支撑计划项目（2015BBA152）

作者：董静[1,2], 许甫超[1,2], 秦丹丹[1], 徐晴[1], 葛双桃[1], 李梅芳[1,2]

关键词：小麦(Triticum, AESTIVUM, L.), 穗发芽, 抗性鉴定, 系谱法筛选, wheat（Triticum aestivum L.）, pre-harvesting sprouting, resistance identification, pedigree selection

中文摘要：

鉴定了湖北省本省育成和外引的12个白皮小麦（Triticum aestivum L.）品种的穗发芽抗性,比较了室内整穗发芽法和田间自然鉴定法的优劣,分析了系谱法经验选择的效果。结果表明,湖北省本省育成的白皮小麦品种具有一定的穗发芽耐性,而外引品种高感穗发芽;室内整穗发芽法和田间自然鉴定法均可提高穗发芽选择,以室内整穗发芽法效果较好,采用改良系谱法结合室内整穗发芽法鉴定是抗穗发芽育种的一种有效途径。

英文摘要：

In this paper, pre-harvesting sprouting resistance of 12 Hubei white-grained wheat（Triticum aestivum L.） cultivars was identified by intact spike germination in room and natural weathering selection in field trials, and comparison of the efficiency between two methods was done. Meanwhile, the effect of pedigree system selection application on pre-harvesting sprouting resistance was analyzed. The results showed that wheat cultivars with white-grained which bred by the institutes in Hubei province had certain tolerance to pre-harvesting sprouting. Intact spike germination in room and natural field resistance selection were helpful for breeding, but the efficiency of the former was better. And the method that combined the modified pedigree selection and intact spike germination in room was a good way to improve pre-harvesting sprouting resistance.