Effects of seed soaking with La3+ on seed germination and seedling growth of rice

Abstract

Abstract: An experiment with JinYou No.63 rice seeds was installed to study the effects of La³⁺ soaking on the seed germination and seedling growth of the rice.The results showed that within the range of 120 mg稬^-1,La³⁺ increased the vigor of seed and its proteinase,amylase and lipase activities,and promoted the growth of plant shoot and root.The optimal concentration of La³⁺ was 10 mg稬^-1.When the La³⁺ concentration was higher than 30 mg稬^-1,seed germination and seedling growth were depressed.The effect of lanthanum on root was much more apparent than on shoot,and the sensitivity of enzymes to La³⁺ was in the order of proteinase>lipase>amylase.

Key words: Straw, Gas production, Combinatorial effect, Reasonable utilization

CLC Number:

Q944

ZHANG Jie, LIU Dengyi, HUANG Yongjie, LIU Xueyun. Effects of seed soaking with La³⁺ on seed germination and seedling growth of rice[J]. cje, 2005, (8): 893-896.

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Effects of seed soaking with La³⁺ on seed germination and seedling growth of rice

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