A study on the effect of growth substances on chrysanthemum (Chrysanthemum indicum Linn.)

Shanmugam, A.; Muthuswamy, S.; Rao, V.N.M.

Madras Agricultural Journal 60(1): 1-5


Accession: 000010701

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Spraying potted chrysanthemums 3 times (30, 45 and 60 days after planting) with GA3 at 100-400 p.p.m. increased plant height, internode length and flower stalk length. GA3 also induced earlier flowering, whereas MH at 1000 or 2000 p.p.m. delayed flowering. Flower yields were reduced by MH (500-2000 p.p.m.), chlormequat (5000-15 000 p.p.m.) and TIBA (200 p.p.m.) in a yellow cv. and by MH (1000 and 2000 p.p.m.), chlormequat (5000 and 15 000 p.p.m.) and TIBA (100 and 200 p.p.m.) in a white cv.