Post-harvest chemical manipulation in strawberry regeneration under Jammu sub-tropics
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6-Benzyladenine, gibberellins, regeneration, runner production, strawberry.Issue
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Abstract
The present investigation on postharvest chemical manipulation in strawberry (Fragaria × ananassa Duch.) regeneration under Jammu sub-tropics was carried out to standardize the dose and time of application of chemicals for optimising the runner production. Application of plant growth regulators enhanced the runner production in strawberry cultivar Chandler under Jammu sub-tropics. The maximum number of runners/ mother plant (13.53), number of trains/ mother plant (4.10), number of runners/ train (3.30), plant spread per mother plant (34.02 cm), plant spread per runner plant (10.83 cm), number of leaves per mother plant (22) and number of leaves per runner plants (7.29) of strawberry cv. Chandler was recorded with the application of 300 ppm GA3 + 150 ppm BA. The maximum plant height per mother plant (23.29 cm), plant height per runner (10.88 cm), petiole length per mother plant (19.1 cm), petiole length per runner plant (10.70 cm) and root length per runner plant (5.90 cm) were recorded under application of GA3 100 ppm. Whereas, control treatment recorded the maximum crown diameter (6.92 mm), crown weight (0.66 g) and leaf area (16.57). The findings indicated that the application of GA3 (300 ppm) + BA (150 ppm) enhanced the regeneration capacity of strawberry runners under Jammu sub-tropics.
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