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 γ-irradiation (0, 5, 10 and 15 krad) and two dates of sowing (15 th September and 15 th 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 γ-irradiation upto 10 krad. However, it was reduced with further increase in γ-irradiation dosage. Early sowing of seed (15 September) showed better germination percentage, survival percentage, and plant growth as compared with late sowing. Interaction between γ-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.
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