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KMID : 0368419700130040013
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Journal of Plant Biology
1970 Volume.13 No. 4 p.13 ~ p.22
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Study on the Salt Tolerance of Rice and Other Crops in Reclaimed Soil Areas
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Im Hyong-Bin
Hoang Chong-Ser
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Abstract
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The rice variety, Kwanok, was reared in the water, land and salt seed beds and transplanted to the reclaimed soil area having an average of 0.48% salt content(0.67% at the end of April). The plant height of land bed seedlings at transplanting stage was short but the dry-weight/plant-height ratio was large and the rooting ability was vigorous remarkably after transplantation in the salty area.
The central cylinder, vessels, sclerenchyma, endodermis and other mechanical tissues of the root of land bed seedlings were well developed while the size of cortical cell layers were small. The cytoplasm of the cortical parenchyma at the root tips seemed to be most abundant in the land bed seedlings. The formation of the aerial cavity in the cortex of primary root was rapid and it seemed that the developmental mechanism of the aerial cavity in the rice plant roots was related to the development of the lateral roots.
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