Comparative Studies of Late Planted Capsicum (Capsicum annum) for Growth and Yield under Polyhouse and Open Field Condition as Influenced by Different Growth Regulators

S.H. Ansary, N. Mudi, A. K. Chowdhury, N. Gayen and K. Barui

Abstract


A study was conducted on late planted capsicum at instructional farm of Hooghly KVK, W.B. during the period of
January-April in the year 2017- 2018 to evaluate the growth and yield performance as influenced by different
hormones under polyhouse and open environment. The experiment consisted of two production system, i.e polyhouse
and open environment condition with three different hormonal treatments along with a control. The treatments
were application of triacontanol @ 0.5 ml/ litre at full bloom stage, application of planofix (4.5% NAA) @ 0.25 ml/
litre at full bloom stage, application of Ethrel @ 0.3 ml/ litre at full bloom stage and control (No use of hormone).
All the treatments were laid out following RBD with five replications. The results showed that growth and yield of
capsicum were significantly influenced by different hormones under both conditions. All hormonal treatments
increased yield in capsicum under both polyhouse and open field condition as compared to non treated plants.
Among the hormones, planofix had best effect to increase fruit-set, number of marketable fruits per plant, fruit size
and yield. Highest fruit weight (122.2g and 97.4g), number of marketable fruits per plant (5.6 and 4.2) and yield
(39.4 t/ha and 28.2 t/ha) were recorded in polyhouse and open field condition respectively under planofix treatment.
Whereas, ethrel treatment resulted highest number of total fruits (8.2 and 7.2) in polyhouse and open field condition
respectively. Again polyhouse was more effective to increase yield of quality fruits in capsicum than open environment
condition. About 40% yield increment was recorded under planofix treatment in polyhouse than open field.


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