2009Hubei nongye kexueRequires access

Effects of La~(3+) on Germination and Physiological and Biochemical Characteristics of Rice Seed

Ran Jing

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Abstract

Effects of La3+ on germination and physiological and biochemical characteristics of rice seed were studied. The results showed that the seeds’ growth had bearing on the concentration of La3+. Within the range of 1~30 mg·L-1,La3+ soaking increased the vigor of seed and its amylase, peroxideenzyme and lipase activities, and promoted the growth of plant shoot and root. When La3+ concentration was higher than 50 mg·L-1, seed germination and seedling growth were depressed. The effect of La3+ on root was much stronger than on shoot.

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What this paper is about

Effects of La3+ on germination and physiological and biochemical characteristics of rice seed were studied. The results showed that the seeds’ growth had bearing on the concentration of La3+. Within the range of 1~30 mg·L-1,La3+ soaking increased the vigor of seed and its amylase, peroxideenzyme and lipase activities, and promoted the growth of plant shoot and root. When La3+ concentration was higher than 50 mg·L-1, seed germination and seedling growth were depressed. The effect of La3+ on root was much stronger than on shoot.

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Available abstract

Effects of La3+ on germination and physiological and biochemical characteristics of rice seed were studied. The results showed that the seeds’ growth had bearing on the concentration of La3+. Within the range of 1~30 mg·L-1,La3+ soaking increased the vigor of seed and its amylase, peroxideenzyme and lipase activities, and promoted the growth of plant shoot and root. When La3+ concentration was higher than 50 mg·L-1, seed germination and seedling growth were depressed. The effect of La3+ on root was much stronger than on shoot.

Key concepts: Germination, Seedling, Shoot, Amylase, Biology, Lipase, Horticulture, Agronomy

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