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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 10, Issue 2 (2021)

Effect of different plant bio-regulators on growth, flowering and corm production of gladiolus cv. friendship

Author(s):

AK Mishra and Divyansh Mishra

Abstract:
In order to investigate the effect of different plant bio-regulators on growth, flowering and corm production of gladiolus cv. Friendship, the present experiment was carried out in the Department of Horticulture, Nandini Nagar PG College Nawabganj, Gonda (U.P.)- 271303, India, during 2019-20.The experiment comprised of three levels each of GA3, (75, 100 and 125 ppm) NAA (50, 75 and 100 ppm) and Kinetin (50, 75 and 100 ppm) including a control, which were tested in randomized block design with three replications. The corms of uniform size were soaked in required concentration of plant bio-regulators thoroughly for twenty-four hours. The planting of corms was done at a distance of 30 x 30 cm and about 5 cm deep in the bed of 150 X 60 cm size accommodating 10 corms per bed. From the experiment it is evident that earliest sprouting of corms (12.95 days), maximum height of plants (88.74 cm), length of rachis (52.52 cm), spike length (84.72 cm); number (16.12) and size of floret (8.71cm length and 5.66 cm width), number and weight of corm (2.20 and 70.33 g) and cormels (27.45 g) with more diameter of corms (8.20 cm) and more longevity of spike (25.50 days) were observed from the corms soaked in 125 ppm GA3 solution, whereas corms soaked in 100 ppm GA3 solution produced more number of leaves (12.41) with maximum size (62.90 cm length and 3.10 cm width). Significantly minimum number of days for emergence of spike (72.66 days) and opening of first florets (81.66 days) were also recorded in GA3 125 ppm-soaked corms as compared to control.

Pages: 675-678  |  816 Views  335 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
AK Mishra and Divyansh Mishra. Effect of different plant bio-regulators on growth, flowering and corm production of gladiolus cv. friendship. J Pharmacogn Phytochem 2021;10(2):675-678. DOI: 10.22271/phyto.2021.v10.i2i.13871

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