Crop weather relationship of rainfed banana under different times of planting
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Date
1990
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Department of Agronomy, College of Horticulture, Vellanikkara
Abstract
An experiment was conducted at the College of Horticulture, Vellanikkara, Kerala Agricultural University during December 1986 to July 1988 to study the crop weather relationship of rainfed banana under different times of planting. The experiment was conducted in randomised block design with seven times of planting (1st week of December, 1st week of January, 1st week of February, 1st week of March, 1st week of April, 1st week of May, and 1st week of June) and the treatments were replicated three times. Observations on all weather parameters and soil temperatures were recorded daily. Crop growth characters like height of pseudostem, girth of pseudostem, number of leaves and leaf area at various stages of growth, sucker production at shooting and harvest, and the days taken from planting to shooting, shooting to harvest and planting to harvest were recorded. Yield characters like bunch weight,length of bunch, weight of hand, number of hands, number of fingers per bunch, number of fingers per hand, length of finger and girth of finger were recorded. The various fruit quality characters like total soluble solids, reducing sugars, non-reducing sugars, total sugars, acidity and sugar acid ratio were recorded.
The total crop growth period for all the treatments included two dry seasons. The general pattern of weather during the 1987-'88 dry season was better compared to that of 1986-'87. The highest soil temperature at any depth and time were, observed in April during 1987 and in March during 1988. Generally, December recorded the lowest soil temperatures The time of planting greatly influenced all the growth, yield and quality characters. At early stages, late plantings generally recorded taller plants with more girth, number of leaves and leaf area. The time of planting had a significant influence on the sucker production at harvest. The duration from shooting to harvest was significantly influenced by time of planting and the last two plantings took comparatively more time for fruit development.
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