EFFECT OF PLANT GROWTH REGULATORS AND MICRONUTRIENTS ON GROWTH COMPONENTS AND SEED YIELD IN AFRICAN TALL FODDER MAIZE (ZEA MAYS L.)

Article Id: ARCC4418
Citation :- EFFECT OF PLANT GROWTH REGULATORS AND MICRONUTRIENTS ON GROWTH COMPONENTS AND SEED YIELD IN AFRICAN TALL FODDER MAIZE (ZEA MAYS L.).Agricultural Science Digest.2007.(27)
B.C. Channakeshava, K.P. Ramaprasanna and B.K. Ramachandrappa
Address : Department of Seed Science and Technology, University of Agricultural Sciences, GKVK, Bangalore - 560 065, India

Abstract

Field experiment on the influence of growth regulators, micronutrients and their interaction on growth components and seed yield in African Tall fodder maize was conducted during the kharif season of 1996. There were two growth regulators viz., mepiquat chloride at 150 ppm and cycocel at 1500 ppm sprayed 45 days after sowing and two micronutrients zinc and boron applied at sowing at the rate of 10 kg per ha along with combination of growth regulators and micronutrients. Among the growth regulators mepiquat chloride spraying was found to be superior to cycocel spraying. Application of zinc sulphate 10 kg per ha to soil at sowing resulted in increased stem diameter, more number of seed rows per cob and higher shelling percentage resulted in increased seed yield in African Tall fodder maize.

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