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EFFECT OF γ-IRRADIATION ON GERMINATION, GROWTH, SENSITIVITY AND SURVIVABILITY OF PAPAYA CV. KESAR KING

Article number
851_11
Pages
93 – 98
Language
English
Abstract
The present investigation was carried out during 2006–2007 in the Net House, Department of Horticulture, at Allahabad Agricultural Institute, Allahabad.
The experiment was laid out in a 4×2 factorial design, comprising of four levels of gamma-irradiation (0, 5, 10 and 15 krad) and two dates of sowing (15th September and 15th October). Observation on germination percentage, survival percentage, and plant growth i.e., plant height, number of leaves per plant, leaf spread, diameter of stem, and petiole length were recorded at 15 days interval after sowing.
The results indicated that germination percentage, survival percentage, and plant growth increased with the increase in gamma-irradiation upto 10 krad.
However, it was reduced with further increase in gamma-irradiation dosage.
Early sowing of seed (15 September) showed better germination percentage, survival percentage, and plant growth as compared with late sowing.
Interaction between gamma-irradiation of 10 krad and early sowing of seed (15 September) was found superior to all the other treatment combination in respect with germination percentage, survival percentage and plant growth.

Publication
II International Symposium on Papaya
Authors
M.S. Kushwah, M. Yadav, D.B. Singh, R.K. Roshan, N. Pebam
Keywords
germination, irradiation, mutation, papaya and seed
Full text
https://doi.org/10.17660/ActaHortic.2010.851.11
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