Screening and Simple Identification of Drought-resistant Lines in Sugarcane Breeding

Fangyin Pan, Qingwen Luo, Wenlong Wu, Fuye Liu, Jiantao Wu, Dongyong Peng and Yongsheng Chen

Asian Agricultural Research, 2019, vol. 11, issue 05

Abstract: Six sugarcane plant lines were selected from seedlings owing to good performance in agronomic characters under drought conditions. A special test with drought stress to death under groove was carried out to select the best drought tolerant clones among them. The proportion of bound water to free water content in leaves, cell cytoplasm membrane permeability in leaves, yield components, etc., which were regarded as reasonable indexes to identify drought resistance of sugarcane, were measured. The results showed that both YT06-868 and YT05 -339 were winners. The two were high-class drought-resistant clones. On some measured indexes, both of them had higher values than ROC22 (the main check variety) and on the other ones, they both had the same values as ROC22. The drought resistance of YT05-291 was moderate and between ROC22 and ROC16 (the secondary check variety), while the others had poor drought-resistant according to these indexes.

Keywords: Agribusiness (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:ags:asagre:293220

DOI: 10.22004/ag.econ.293220

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