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Article | IMSEAR | ID: sea-228863

ABSTRACT

A study on the effect of plant growth regulators on growth of chrysanthemum was carried out at K.N.K. College of Horticulture, Mandsaur. Experiment was laid out in completely randomized design(CRD) with three replications. Chrysanthemum cultivar- Hybrid-2 was used for the experiment. Six PGR treatments consisting of three concentrations each of GA and NAA i.e., GA3 (100, 150 & 200 ppm) and NAA (75 ppm, 125 ppm and 200 ppm) were applied to the experiment. GA3 (200 ppm) recorded the maximum values for plant height, plant spread, number of branches / plant, number of leaves/ plant, leaf length (cm), leaf stalk length (cm), number of suckers per plant, number of flowers per plant, flower stalk length (cm), flower diameter and flowering duration as well as the earliest first flower bud appearance and first flower opening. This treatment also recorded the longest vase life of cut flowers (days), the maximum total water uptake in vase and the maximum diameter of fully opened flower in vase life.

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