9-1-2 GROWTH AND YIELD RESPONSE OF BELL PEPPER (Capsicum annuum) TO THE APPLICATION OF KAOLIN AND 4-CPA UNDER NET PROTECED CONDITION



Ashrafunnesa, S. Akter, M. R. Monir and M.H.Kabir* 
       *Corresponding author: Email:  kabirsau@yahoo.com

Abstract

An experiment was conducted at the Horticultural Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh to determine the response of nylon net, kaolin and plant growth regulator 4-Chlorophenoxyacetic acid (4-CPA) on growth and yield of capsicum. The experiment consisted of two factors: Factor A: Use of nylon net and kaolin as P0: Open Condition (control); P1: Kaolin Spray; P2: Nylon net condition; P3: Use of nylon net + kaolin and Factor B: Application of 4-CPA as H0: Control (water spray), H1: 4-Chloro Phenoxy Acetic Acid (4-CPA) @ 4000 ppm. Two factorial experiments were laid out in a Randomized Complete Block Design with four replications. In case of nylon net and kaolin, the maximum yield (48.06 t/ha) was attained from P3, while the minimum yield (18.58 t/ha) from P0. For plant growth regulator 4-CPA, the highest yield (34.80 t/ha) was recorded from H1, whereas the lowest (29.20 t/ha) from H0. Due to the interaction effect of nylon net, kaolin and 4-CPA, the highest yield (50.55 t/ha) was found from P3H1, while the lowest yield (16.89 t/ha) from P0H0.

Keywords: Bell Pepper, kaolin, 4-CPA, nylon net.

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