Ethephon (2-Chloroethylphosphonic Acid) Application and Gummosis in Anogeissus pendula Edgew.
DOI:
https://doi.org/10.36808/if/2018/v144i8/132215Keywords:
Bundelkhand Region, Gum Inducer, Gum-Gatti, Sugar Content.Abstract
Present study was carried out to standardize the dose of ethephon (2- chloroethylphosphonic acid), a gum inducer hormone and suitable month for its application to optimize gum yield from Anogeissus pendula without deteriorating tree health. Separate A. pendula trees were used to inject with three different doses of ethephon viz., 390 mg/4ml (10%), 780 mg/4 ml (20%) and 1170 mg/4 ml (30%) active ingredients at monthly intervals during a complete year (March, 2010 to February, 2011). Increase in mean gum yield with the increase in ethephon dose was recorded. Maximum mean gum yield was recorded in March, 2010 (57.18 g/tree) and minimum in August, 2010 (0.17 g/tree). The cumulative gum yield was recorded maximum during summer (1028.90 g), followed by winter (965.00 g) and rainy season (862.00 g). Applications of ethephon had no effect on tree health; however, its use significantly increased sugar content of the wood after one month of the application. Higher dose of ethephon produced higher sugar content in the wood of A. pendula. Thus, the results of present study suggested that higher gum yield can be obtained from higher dose of ethephon during summer season, without affecting the tree health.References
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