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Study on Variation of Endogenous Hormones at the Germinating Stage of Tea Spring Shoot

Study on Variation of Endogenous Hormones at the Germinating Stage of Tea Spring Shoot
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摘要 An HPLC method was used to analyze the contents and variation of IAA,GA3,ABA.and ZT at five stages around the tea shoot germinating in spring.The contents of GAa and ABA had a top value during the winter and decreased with the growth of tea shoots,while the contents of IAA and ZT had a low value during the winter and increased quickly at the beginning of shoot growth,but soon afterwards increased slowly or decreased a little.The ratio of hormones was closely related to the growth of tea plant.The study indicated that the ratios of GA3 to ABA and IAA to ABA were at low values during the winter and went up with the shoot genninating.When the activity of roots was weak,the ratio of ZT to IAA had a top value,but went down gradually with luxuriant activity of roots.The ratio of GA3 to ZT had a certain relativity with the shoot genninating,which was at a top value during the winter but went down suddenly at the beginning of shoot genninating. An HPLC method was used to analyze the contents ana variation of IAA, GA3, ABA and ZT at five stages around the tea shoot germinating in spring. The contents of GA3 and ABA had a top value during the winter and decreased with the growth of tea shoots, while the contents of IAA and ZT had a low value during the winter and increased quickly at the beginning of shoot growth, but soon afterwards increased slowly or decreased a little. The ratio of hormones was closely related to the growth of tea plant. The study indicated that the ratios of GA3 to ABA and IAA to ABA were at low values during the winter and went up with the shoot germinating. When the activity of roots was weak, the ratio of ZT to IAA had a top value, but went down gradually with luxuriant activity of roots. The ratio of GA3 to ZT had a certin relativity with the shoot germinating, which was at a top value during the winter but went down suddenly at the beginning of shoot germinating.
出处 《Hunan Agricultural Science & Technology Newsletter》 2001年第1期12-16,共5页 湖南农业科技通讯(英文版)
关键词 tea spring shoot IAA GA3 ZT ABA 春茶 内源激素 赤霉素 脱落酸 生长素 IAA GA3 ABA ZT 高效液相色谱 HPLC
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