Effects of Thallium on Seed Germination and Plant Growth of Oryza sativa L.

doi:10.7668/hbnxb.2008.01.030

Abstract

Abstract: The effects of Thallium on the seed germination, root growth, content changes of chlorophyll and solublesugar of rice(Oryza sativa L.)were studied.The results showed that the concentration of Thallium at 0110~ 1010mg/Lhad no remarkable influence on seed germination of rice, but the length of radicle and embryonal axis were significantlydepressed at 510 mg/L which was the effect threshold concentration of thallium.The content of chlorophyll in leaveswasrestrained during the different growth period,meanwhile the decrease of chlorophyll b wasmore than that of chlorophyll a.At the same time, the content of soluble sugar in roots and leaves declined at different degree.

Key words: Thallium, Rice(Oryza sativa L.), Seed germination, Growth, Physiology

CLC Number:

S511.2
X53

YAO Yan, ZHANG Ping, CHEN Xiang-yun, CHEN Jin, WU Ting, CHEN Yong-heng. Effects of Thallium on Seed Germination and Plant Growth of Oryza sativa L.[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(1): 138-140. doi: 10.7668/hbnxb.2008.01.030.

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