Influence of some bioregulators on quality traits of pruned tea (Camellia sinensis (L) O Kuntze)
✍ Scribed by Chandra, K; Pandey, Renu
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 200 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0022-5142
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✦ Synopsis
During investigation, it was observed that all the applied bioregulators, namely, jibika, IAA, cycocel, thiourea, methanol, succinic acid and sucrose, have a signiÐcant e †ect on quality parameters such as polyphenol oxidase (PPO) activity, ca †eine, crude protein, starch, nitrogen, carotenoid and ascorbic acid (vitamin C) content over the control. However, maximum PPO activity was observed with cycocel followed by succinic acid, jibika, thiourea and sucrose during the Ðrst phase of spray while at the second phase PPO was maximal in sucrose-treated bushes followed by cycocel, jibika, thiourea and succinic acid. The ca †eine content was found to be maximal in methanol followed by cycocel, IAA, thiourea and jibika as compared to the control during the Ðrst phase of spray. Similarly, nitrogen content increased due to methanol application at both the phases. Starch and carotenoid content were signiÐcantly inÑuenced by jibika treatment. Likewise, ascorbic acid content was highest in sucrose-treated bushes as compared to other treatments.
1998 SCI.