Chinese Bulletin of Botany ›› 1999, Vol. 16 ›› Issue (05): 606-609.
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YAN Tian, LIU Cun-De and SHEN Quan-Guang
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Abstract: The study of plant gravitropism mechnism relates to growth and development of plant in microgravity enveronment. Gravity responses tests on ground-based gravity field (1 x g) were carried out. The results indicated that gravity caused asymmetrical distribution of peroxidase in both upperside and under side of the root tip of horizontally postioned seedlings; the root tip grew towards the high calcium (Ca2+ ) side of horizontally seedlings in gravity field; when the shoot apex of upsidedown positioned seedlings were illuminated with lamp, their negative geotmpism was lost.
YAN Tian;LIU Cun-De and SHEN Quan-Guang. Ground-Based Studies on Plant Gravitropism[J]. Chinese Bulletin of Botany, 1999, 16(05): 606-609.
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