SALINITY TOLERANCE IN DIFFERENT CULTIVARS OF BARLEY (HORDEUM-VULGARE L)

被引：11
|
作者：
NIAZI, MLK [1 ]
MAHMOOD, K [1 ]
MUJTABA, SM [1 ]
MALIK, KA [1 ]
机构：
[1] NUCL INST AGR & BIOL,DIV SOIL BIOL,POB 128,JHANG RD,LYALLPUR,PAKISTAN
来源：
BIOLOGIA PLANTARUM | 1992年 / 34卷 / 5-6期
关键词：
D O I：
10.1007/BF02923603
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Seven barley (Hordeum vulgare L.) cultivars tested varied greatly in their responses to root medium salinity (electrical conductivity of 3, 5, 10, 15 and 20 dS m-1). Plant growth was relatively more adversely affected than seed germination. Dry/fresh mass ratio increased at higher salinity levels in all barley cultivars indicating reduced water uptake. Higher K/Na ratio in plant shoots compared to that in the root medium solution indicated selective uptake of K that seems to be among processes involved in tolerance of cultivars to salinity stress.
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页码：465 / 469
页数：5
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