Saini, Uksha and Kaur, Devinder and Chanda , Sanjoy and Bhattacharya, Amita and Ahuja, Paramvir Singh (2012) Application of betaine improves solution uptake and in vitro shoot multiplication in tea. Plant Growth Regulation, 67. pp. 65-72.

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Abstract

The application of betaine, a quaternary ammonium compound influenced the micropropagation in two commercially important UPASI (U-9 and U-10) cultivars of tea. Growth and multiplication of shoots of both the cultivars was enhanced significantly in the presence of 125–1,000 mg l-1 betainewith best response at 1,000 mg l-1 betaine. The shoots turned brown and died within 15 days when 1,500 mg l-1 betaine was applied. The study showed faster water/nutrient uptake in the presence of betaine.Higher assimilation of carbon and nitrogen in the presence of betaine was also indicated in biochemical analyses. Thus, a decrease in carbohydrates coupled with an increase in nitrate reductase activity was recorded. Moreover, faster differentiation of vascular elements and shoot thickness was observed in the shoots of U-9 and U-10 growing on medium containing 1,000 mg l-1 betaine. Nutrient uptake, assimilation and growth were significantly higher in U-10 as compared to U-9 shoots.

Item Type:	Article
Uncontrolled Keywords:	Betaine; Micropropagation; Tea; Vascular differentiation; UPASI cultivars
Subjects:	Plant sciences Plant Biotechnology
Divisions:	UNSPECIFIED
Depositing User:	Dr. Aparna Maitra Pati
Date Deposited:	03 Jan 2013 10:25
Last Modified:	03 Jan 2013 10:25
URI:	http://ihbt.csircentral.net/id/eprint/1203

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