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Indian Journal of Agricultural Research

  • Chief EditorV. Geethalakshmi

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Research Article

Indian Journal of Agricultural Research, volume 52 issue 3 (june 2018) : 319-322

Effect of growth retardants on the growth and flowering of Chrysanthemum morifolium cv. Flirt
 

Irfana Amin Qureshi, Shabana Gulzar, Abdul Rashid Dar, Reyaz Ur Rehman, Inayatullah Tahir
1Department of Botany, Abdul Ahad Azad Memorial Degree College Bemina, Srinagar-190 018, Jammu and Kashmir, India
Cite article:- Qureshi Amin Irfana, Gulzar Shabana, Dar Rashid Abdul, Rehman Ur Reyaz, Tahir Inayatullah (2018). Effect of growth retardants on the growth and flowering of Chrysanthemum morifolium cv. Flirt. Indian Journal of Agricultural Research. 52(3): 319-322. doi: 10.18805/IJARe.A-4986.

ABSTRACT

An experiment was conducted to study the effect of graded concentrations of foliar applied growth retardants (cycocel and B-nine) on the growth and flowering of Chrysanthemum morifolium cv. Flirt. Uniform rooted cuttings raised in pot soil culture received spray applications of growth retardants viz., cycocel and B-nine prepared in 0.1% Tween 80. Cycocel was applied at 1000, 2500 and 5000 mgL-1, whereas B-nine was applied at 100, 250 and 500 mgL-1 concentrations. Plants were sprayed at 2 and 6 weeks after transplantation. Visual observations, plant height, fresh mass, dry mass, number of laterals, number of inflorescences and inflorescence diameter were recorded at periodic intervals. Cycocel treated plants recorded a significant increase in fresh and dry mass of whole plants, leaves and roots, whereas B-nine treated plants were comparable with the controls. Cycocel and B-nine treated plants showed early emergence of buds and inflorescences, whereas no significant effect was recorded on number of laterals. Cycocel application resulted in the increase in inflorescence number. The present results suggest that the treatment effect may be cultivar dependant as many other cultivars of chrysanthemums have been chemically tailored with desired effects using cycocel and B-nine.

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