Papers

EFFECT OF GA3 ON GROWTH AND YIELD OF MUSTARD (Pages : 16 - 20)

. AKTER, E. ALI, M. M. Z. ISLAM, R. KARIM, A. H. M. RAZZAQUE

An experiment was conducted in pot house at the Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh during November 2003 to February 2004 to evaluate the effects of Gibberellic Acid (GA3) on growth, and yield of mustard var. Binasarisha-3. Four concentrations viz., 0, 25, 50 and 75 ppm of GA3 were sprayed on canopy at 30 days after sowing. The results showed that different levels of GA3 significantly influenced the plant height, number of fertile siliqua/plant, number of seeds/siliqua, number of flowers/plant, setting of siliqua/plant (%), and harvest index. Results revealed that GA3 at 50 ppm significantly increased plant height, number of fertile siliqua/plant, number of flowers/plant, setting of siliqua/plant (%), dry matter yield, number of seeds/siliqaua, and harvest index, while the number of flowers/plant was significantly increased with the application of 75 ppm GA3. The highest seed yield/plant was recorded from the application of 50 ppm GA3 at optimum harvest date. The seed yield/plant was positively correlated with plant height, number of seeds/siliqua, number of fertile siliqua/plant and % of setting siliqua/plant. Download


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