苦瓜耐热性相关农艺性状的筛选
Chinese Journal of Tropical Agriculture(2018)
Abstract
从生长势、叶片热伤害程度、结果能力和存活率等方面对28份苦瓜材料进行耐热性综合鉴定,鉴定出不同苦瓜材料的耐热性强弱,再从中选取10个耐热性强、中、弱的苦瓜材料,分别调查死苗率、初花期、开花天数、第一雌花节位、茎粗以及果实性状中的果长、横径、肉厚、单瓜重等田闾表型性状.结果表明:苦瓜品种(或自交系)的耐热性与初花期、开花天数、总产量、果肉横径、肉厚等呈显著正相关,与死苗率呈显著负相关,这些均可作为苦瓜成株期耐热性鉴定或筛选的农艺性状参考指标.
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