STUDIES ON THE EFFECT OF SOME CROP MANAGEMENT PRACTICES ON GROWTH AND YIELD IN TOMATO (Solanum lycopersicum L.)
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Date
2020-07
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NAUNI,UHF
Abstract
ABSTRACT
The present investigation entitled “Studies on the effect of some crop management practices on growth and
yield in tomato (Solanum lycopersicum L.)” was carried out at the Experimental Farm, Department of Vegetable Science,
Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, (HP) during Kharif season year 2017-2018 and 20182019.
The experiment was laid out in Randomized Complete Block Design (Factorial) with three replications comprising of
twelve treatments having two levels of planting methods i.e. P1=raised bed and P2=flat bed, three levels of mulches
treatments i.e. M1=black mulch, M2=silver/black mulch and M3=no mulch and two levels of training systems i.e. T1=two
stem training system and T2=three stem training system. A popular variety of tomato ‘Solan Lalima’ was used as planting
material in the present studies. Seedlings of tomato were transplanted on 12th April, 2017-18 and 2018-19 in a plot size of
11.34 m2 at a spacing of 90 × 30 cm accommodating 42 plants per plot in three replications. The recommended package of
practices and plant protection measures were followed from time to time to produce healthy crop. Among the different
planting methods, mulching treatments and training systems the plants which were grown on raised bed (P1) when applied
with black mulch (M1) and trained to two stem training system (T1) resulted significantly maximum number of flower
clusters per plant, number of fruits per cluster, fruit length (cm), fruit breadth (cm), pericarp thickness (mm), fruit weight (g),
number of pickings, harvest duration (days), number of fruits per plant, fruit yield/plant (kg), fruit yield/plot (kg), fruit
yield/ha (q/ha), leaf area index, plant height (cm), TSS (0Brix), ascorbic acid content (mg/100 g of fresh weight), lycopene
content (mg/100 g of fresh weight), shelf life (days), minimum days to 50 per cent flowering, least number of days to
marketable maturity, less incidence of buckeye rot (%), minimum severity of Alternaria leaf blight (%), minimum severity
of bacterial leaf spot (%), less incidence of Fusarium wilt (%), minimum weed intensity (%), maximum weed control
efficiency (%), less weed count (m-2), minimum fresh and dry weight of weeds. Analysis of variance showed significant
differences among two way interaction for most of the characters studied. Among the first order interactions viz., planting
methods and polythene mulch, polythene mulch and training system, planting methods and training systems; P1M1 (raised
bed and black polyethylene mulch), P1T1 (raised bed planting method with two stem training system) and M1T1 (black
polyethylene mulch with two stem training system) significantly affected most of the characters under study. The treatment
combination involving raised bed, black mulch and two stem training system (P1M1T1) was found superior over all other
treatments in terms of growth characters, fruit characters, yield characters, quality attributes, disease parameters, weed
parameters and also had maximum benefit: cost ratio. The highest fruit yield (992.64 q/ha) of Solan Lalima with maximum
net returns (Rs 1,181,364.19/ha) and highest benefit: cost ratio (3.84) was obtained with the treatment combination involving
raised bed planting method, black polyethylene mulch and two stem training system (P1M1T1). Therefore, raised bed
planting method, black polythene mulch in combination
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