14个烤烟品种在干旱胁迫下的生理变化及其抗旱性评价  

Physiological Changes and Drought Resistance of 14 Flue-cured Varieties under Drought Stress

作　　者：王仁刚 丁福章 林世锋 张吉顺 杨志晓 李金玲[2,3] 

机构地区：[1]贵州省烟草科学研究院,贵州贵阳550081 [2]贵州大学,贵州贵阳550025 [3]贵州省药用植物繁育与种植重点(工程)实验室,贵州贵阳550025

出　　处：《贵州农业科学》2015年第10期64-66,71,共4页Guizhou Agricultural Sciences

基　　金：中国烟草总公司科技重点项目"品种抗旱鉴定体系研究及抗旱烤烟品种选育"(110201302004);中国烟草总公司贵州省公司科技专项"贵州烤烟新品种杂交选育研究"(201101);作物学重点学科[黔学位合字(ZDXK2014)8];贵州省药用植物繁育与种植人才基地[黔人领发(2013)15]

摘　　要：为筛选适合贵州栽培的烤烟抗旱品种,采用大棚盆栽自然干旱的方式对14个烤烟品种不同干旱阶段(5d,10d,15d)的6个生理指标变化规律进行研究,并采用隶属函数法综合评价各烤烟品种伸根期的抗旱性。结果表明:干旱胁迫后烤烟品种间生理指标差异较大,根据隶属函数值分析麻江大红花、大柳叶节骨密、牛津26号和中烟14属高抗旱品种;南江3号、从江塘洞烟、NC89和贵烟2号属抗旱品种;K149、大黄金5210、福泉永团叶摺烟和K326属中抗旱品种;云烟87和红花大金元属不抗旱品种。The variation rule of six physiological indexes of 14 flue-cured tobacco varieties was studied at different drought stages （Sd, 10d and 15d） under the natural drought pattern in a greenhouse and their drought resistance at root extending stage was evaluated by subordination function method comprehensively to screen suitable flue-cured tobacco varieties with good drought resistance in Guizhou. Results： There are large differences in physiological indexes among 14 flue-cured tobacco varieties after drought stress. The subordination function analysis indicates that Majiangdahonghua, Daliuyejiegumi, Niujin 26 and Zhongyan 14 belong to flue-cured tobacco varieties with strong drought resistance, Nanjiang 3, Congjiangtandongyan, NC89 and Guiyan 2 belong to flue-cured tobacco varieties with good drought resistance, K149, Dahuangjin 5210, Fuquanyongtuanyezheyan and K326 belong to flue-cured tobacco varieties with moderate drought resistance, and Yunyan 87 and Honghuadajinyuan belong to flue-cured tobacco varieties without drought resistance.

关 键 词：烤烟 抗旱性 生理指标 隶属函数 贵州 

分 类 号：S181[农业科学—农业基础科学]