Thursday, 9 July 2015

Effect of Various Forms of Urea and GA3 on Floral Characters of Chrysanthemum (Chrysanthemum morifolium Ramat)



Effect of Various Forms of Urea and GA3 on Floral Characters of Chrysanthemum (Chrysanthemum morifolium Ramat)
Sharmila Bharathi1, K.Sekar2
1Krishi Vigyan Kendra, Veterinary College and Research Institute, TANUVAS, Namakkal- 637002, Tamil Nadu, India
2Department of Horticulture, Faculty of Agriculture, Annamalai University, Chidambaram, Tamil Nadu


Abstract The experiment on effect of various forms of urea and GA3 on floral characters of chrysanthemum (Chrysanthemum morifolium Ramat.) was carried out at Department of Horticulture, Faculty of Agriculture, Annamalai University, Tamil Nadu. Forty five days old rooted cutting of the variety “White” grown on a media containing a mixture of one part of sand, one part of red earth and one part of farm yard manure were subjected to four forms of urea                   (liquid feeding, tarcoated urea, neemcake coated urea and prilled urea) and four levels of GA3 (water spray, 50 ppm, 75 ppm and 100 ppm). The highest number of flowers per plant (102), maximum spray length (18.40 cm) and flower diameter (5.27 cm)  was obtained from the plants supplied with neemcake coated urea and sprayed with 100 ppm of GA3 at 60,90 and 120 days after planting.
Keywords Chrysanthemum, neemcake coated urea, GA3, Floral characters.

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