Year: 2018 | Month: April | Volume 11 | Issue 2
Phenological Behaviour and Reproductive Biology of Ailanthus excelsa Roxb.
Abstract:
Studies on reproductive biology of Mahaneem (Ailanthus excelsa) indicated that mild defoliation started in mid of March and continued up to end of February, majority being from May 13-28. Leaf promodial started appearing after all the leaves had shed off. Within a week of new foliage appearance, the panicle with small protruding buds appeared. The floral buds took 9-13 days to come to bloom. More than 80 per cent floral buds opened between 0800-0900 h. The number of days required from panicle initiation to fruit maturity ranged from 132-140. Fruit set under open-pollination was higher as compared to the fruit set in self-pollinated and a highly significant difference in growth characters of self versus open pollinated progenies formed a strong evidence for xenogamous behavior of mahaneem.
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