STUDIES ON THE EFFECT OF DIFFERENT MICRONUTRIENTS IN GLADIOLUS CV. “AMERICAN BEAUTY”D. V. Naik, B.K. Dhaduk, D.B. Kapadia and S.S. Jambhale
The present investigation entitled Â“Studies on effect of different micronutrients in Gladiolus cv. American BeautyÂ” was carried out in the year 2005-06 at Floricultural Research Farm of ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari. The experiment was laid out in a Randomized Block Design having three replications and seventeen treatments. The treatments were comprised of three different concentrations of Zn (Zinc), Fe (Iron), Mn (Manganese) and B (Boron) at 100, 200 and 300 mg/L, combination of Fe, Mn and B with Zn each at 100 mg/L and combination of all the micronutrients Zn, Fe, Mn and B at 100 mg/L. Foliar spray was given at 3 and 6 leaf stages. Control plants were treated with distilled water. The study of foliar spray of different micronutrients revealed positive effect on some of the characters. The application of Zn (300 mg/L) gave significantly the higher plant height, number of cormels per plant, fresh and dry weight, number of florets per spike and the length of spike. The significantly highest Zn content of leaves was recorded with 300 mg/L Zn application which was at par with lower concentrations (200 mg/L Zn and 100 mg/L Zn). The foliar spray of Fe at 300 mg/L significantly improved the plant height, the weight of corms and cormels per plant, fresh and dry weight of gladiolus plant. B at 300 mg/L also significantly produced the same results as Fe but number of cormels per plant was an added advantage. It is suggested that micronutrients play a vital role on the growth and development of gladiolus plants because of its stimulation and catalytic effect on flower yield and metabolic processes.
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