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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 6, Issue 6 (2017)

Mutation breeding in chrysanthemum (Dendranthema grandiflora T.)

Author(s):

UH Patil, AR Karale, SM Katwate and MS Patil

Abstract:

The present experiment was conducted on chrysanthemum cultivar ‘Local Golden’ which was irradiated with 0.5, 1.0, 1.5, 2.0, 2.5 and 3.0 Krad of gamma radiation. Reduction in survival percentage, plant height, number of branches, number of suckers per plant was observed after irradiation and with increase in dose of gamma rays. The LD50 is between 2.5 and 3.0 Krad. Plant height at time of bud initiation and flowering was maximum in control (45.29 cm and 79.90 cm, respectively), while minimum in 2.5 and 3.0 Krad treatments. Chimera in ray florets of flower was observed in one plant after 1.5 Krad treatment. The original shape of ray florets was flat with small tube at the base whereas in case of tubular mutant, shape at tip was spoon type and basal portion showed pipe or tube like appearance.

Pages: 230-232  |  2541 Views  794 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
UH Patil, AR Karale, SM Katwate and MS Patil. Mutation breeding in chrysanthemum (Dendranthema grandiflora T.). J Pharmacogn Phytochem 2017;6(6):230-232.

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