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黄淮南片育成小麦品种(系)的穗发芽抗性研究

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为研究黄淮南片麦区新育成小麦品种的抗穗发芽现状,将参加国家黄淮南片小麦区试的593份小麦新品种(系)作为供试材料,采用种子发芽指数法和整穗发芽法进行穗发芽抗性评价.结果表明:不同供试材料的抗穗发芽能力存在差异,以感型和高感型为主,但抗性品种占比呈逐年增加趋势,由5.4%增长至19.4%.鉴定出中抗整穗发芽和籽粒发芽的小麦品种有'徐麦0054'和'淮麦4046';抗整穗发芽品种5个,包括'机麦212'、'西农733'、'西农633'、'保丰1530'和'济麦44';'西农528'、'龙科1221'等39个品种为中抗整穗发芽;16个品种大田穗发芽率较低.研究结果可为黄淮南片小麦抗穗发芽育种提供种质资源和理论依据.
Identification of pre-harvest sprouting resistance of wheat cultivars in the Huanghuai southern region of winter wheat
To understand the distribution of pre-harvest sprouting in new bread wheat cultivars from the Huan-ghuai southern region,this study used a total of 593 newly cultivated wheat varieties as test materials.The seed ger-mination index method and spike germination were employed to evaluate the resistance of these cultivars to pre-har-vest sprouting.The experiment demonstrated variation in resistance to pre-harvest sprouting among the tested materi-als.Susceptible and highly susceptible types were predominant,while the proportion of resistant varieties had been increasing year by year from 5.4%to 19.4%.Selected cultivars,such as'Xumai 0054'and'Huaimai 4046',exhib-ited moderate resistance to both spike and seed germination.Five cultivars showed resistance spike germination,in-cluding'Jimai 212','Xinong 733','Xinong 633','Baofeng 1530'and'Jimai 44',39 cultivars exhibited mod-erate resistance,such as'Xinong 528'and'Longke 1221',and 16 cultivars had low field-intact spike germination rates.These results provide valuable germplasms resources for breeding new cultivars resistant to spike germination.

winter wheatpre-harvest sprouting resistanceHuanghuai southern

张玉娥、王岩、胡卫国、杨剑、王西成、曹廷杰

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河南省农业科学院小麦研究所,河南郑州 450002

冬小麦 穗发芽抗性 黄淮南片

2024

干旱地区农业研究
西北农林科技大学

干旱地区农业研究

CSTPCD北大核心
影响因子:1.021
ISSN:1000-7601
年,卷(期):2024.42(6)