STUDIES ON THE EFFECT OF GROWING MEDIA AND PLANT SPACING IN SWEET PEPPER CV. OROBELLE UNDER PROTECTED CONDITIONS
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Date
2017-09
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UHF,NAUNI
Abstract
ABSTRACT
The present investigation entitled “Studies on the Effect of Growing Media and Plant
Spacing in Sweet pepper cv. Orobelle under Protected Conditions” was carried out in
Randomized Block Design (Factorial) in the naturally ventilated polyhouse at Vegetable Research
Farm of Department of Vegetable Science, Dr. Y. S. Parmar University of Horticulture and Forestry,
Nauni, Solan (HP). The treatments comprised of four different growing media (M) viz., (M1) Soil
+ Sand + FYM (2:1:1), (M2) Soil + Cocopeat + FYM (2:1:1), (M3) Soil + Cocopeat + Vermicompost
(2:1:1), (M4) Soil + Cocopeat + Vermicompost + FYM (2:1:0.5:0.5) and three plant spacings with
different population (S) viz., 45×30 cm (S1), 45×45 cm (S2), and 45×60 cm (S3). In total there
were twelve different treatment combinations viz., M1S1, M1S2, M1S3, M2S1, M2S2, M2S3, M3S1,
M3S2, M3S3, M4S1, M4S2 and M4S3. Capsicum crop was transplanted on 15th April, 2015 and 2016 in a
plot size of 1.62 m2 in three replications. The treatment combination M4S3 registered the minimum
values for Days to 50 per cent flowering (41.17 days), days to marketable maturity (70.67 days),
incidence and severity of diseases, whereas, the same treatment gave the maximum values for
number of fruits per plant (15.09), fruit length (10.61 cm), fruit breadth (10.56 cm), average fruit
weight (256.01 g), fruit yield/plant (3.86 kg), harvest duration (87.83 days), plant height (158.83 cm),
leaf area index (3.23), pericarp thickness (8.58 mm), available nitrogen (353.23 kg/ha) and
phosphorus (55.32 kg/ha) content in growing media, total nitrogen (3.34 %) and phosphorus (0.37 %)
content in plants, which was statistically at par with M4S2. M4S2 registered maximum values for fruit
yield/m2 (16.57 kg), total soluble solid (7.11 °B), total carotenoids (2.16 mg/100 g), ascorbic acid
(122.97 mg/100 g), available potassium content (484.13 kg/ha) in growing media, total potassium
(3.34 %) content in plants, which were statistically at par with M4S3. The maximum value for plant
biomass (153.46 g/plant) and net assimilation rate (0.086 mg/leaf area/day) was observed in M3S3. On
the basis of economic returns it was concluded that M4S2 was found best treatment combination
with maximum B: C ratio (2.23).
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