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KMID : 0368419710140030060
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Journal of Plant Biology
1971 Volume.14 No. 3 p.60 ~ p.65
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Study on the Salt Tolerance of Rice and other Crops in Reclaimed Soil Areas
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Abstract
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In order to observe the factors affecting light utilization efficiency in the canopy of a rice crop grown in reclaimed saline areas in Korea, 22 varieties of rice were cultured at the average salt concentration of 6.05mmhos/㎝ 25℃, (0.39%) in saline soils and non-saline silty loam soils.
The inhibition of tillering ability by salt damage at the maximum tillering stage was greater than to growth in height. A significant direct correlation was observed between both ratios and salt concentration with each variety. In the salty areas the length of the flag leaf of the maturing stage showed a positive correlation with the production of rough rice while other living leaf showed a negative correlation. LAI of maturing stage was less in the salty area than in the non-salty area, while the former showed higher ratio in net assimilation and translocation to head with greater RGR before and after the heading stage.
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