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草地学报  2014 

鸭茅优异种质材料苗期抗旱性鉴定及综合评价

DOI: 10.11733/j.issn.1007-0435.2014.05.033, PP. 1122-1126

Keywords: 鸭茅,苗期,抗旱,评价

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Abstract:

为掌握南方地区主要栽培的9份鸭茅(Dactylisglomerata)种质材料抗旱性差异,通过干旱胁迫-复水法对其苗期9个抗旱指标进行测定,综合评价其抗旱性。结果表明以欧式距离法可将9份种质材料划分为3个抗旱等级,抗旱性相对较强的是宝兴、02-116、斯巴达,中等抗旱性的是金牛、古蔺、川东、德娜塔,对干旱胁迫相对敏感的是波特、01998。

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