Germination and transplanting studies in aonla (Emblica officinalis gaertn.)
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Date
2006
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Publisher
CCSHAU
Abstract
The present investigation was carried out at the experimental orchard of
Department of Horticulture CCS Haryana Agricultural University, Hisar. In the
experiment, the effect of sowing time (3rd week of March and 3rd week of
April) and chemicals (GA3 – 250, 500, 750 ppm; Thiourea 0.5, 1.0, 1.5% and
KNO3 – 0.5, 1.0, 1.5%) on seed germination in aonla and the transplanting of
budded aonla plants with earth ball and without ball during 1st week of July,
August, September, January, February and March were studied
During the present investigation 500 ppm GA3 was found to be the most
effective treatment resulting in significant increase in seed germination
(75.50%), survival percentage (83.37%), seedling height (72.94 cm), seedling
girth (0.63 cm), number of branches per plant (3.13 cm), percent buddable
seedling (80.44%) and early germination (8.0 days) followed by 1.0% thiourea.
The seeds soaked in water also gave better performance as compared to untreated
seeds. The 3rd week of March was found to be the best time of sowing of seeds
as compared to 3rd week of April sowing.
The transplanting of budded aonla plants with earth ball was found to be
the best treatment as compared to plants without earth ball in all the months. The
maximum survival percentage was obtained in plants with earth ball transplanted
during 1st week of February (80.00%) followed by 1st week of July (73.30%),
whereas, plants without earth ball gave maximum survival percentage when
transplanted was done during 1st week of February (73.30%).