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Journal of Sustainable Agricultural Sciences
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Volume Volume 42 (2016)
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(2016). EFFECT OF TEMPERATURE MODIFICATION AND GROWTH SUBSTRATES ON PRODUCTIVITY AND FRUIT QUALITY OF STRAWBERRY PLANTS GROWN UNDER WAlk-IN TUNNELS. Journal of Sustainable Agricultural Sciences, 42(3), 300-318. doi: 10.21608/jsas.2016.2956
. "EFFECT OF TEMPERATURE MODIFICATION AND GROWTH SUBSTRATES ON PRODUCTIVITY AND FRUIT QUALITY OF STRAWBERRY PLANTS GROWN UNDER WAlk-IN TUNNELS". Journal of Sustainable Agricultural Sciences, 42, 3, 2016, 300-318. doi: 10.21608/jsas.2016.2956
(2016). 'EFFECT OF TEMPERATURE MODIFICATION AND GROWTH SUBSTRATES ON PRODUCTIVITY AND FRUIT QUALITY OF STRAWBERRY PLANTS GROWN UNDER WAlk-IN TUNNELS', Journal of Sustainable Agricultural Sciences, 42(3), pp. 300-318. doi: 10.21608/jsas.2016.2956
EFFECT OF TEMPERATURE MODIFICATION AND GROWTH SUBSTRATES ON PRODUCTIVITY AND FRUIT QUALITY OF STRAWBERRY PLANTS GROWN UNDER WAlk-IN TUNNELS. Journal of Sustainable Agricultural Sciences, 2016; 42(3): 300-318. doi: 10.21608/jsas.2016.2956

EFFECT OF TEMPERATURE MODIFICATION AND GROWTH SUBSTRATES ON PRODUCTIVITY AND FRUIT QUALITY OF STRAWBERRY PLANTS GROWN UNDER WAlk-IN TUNNELS

Article 17, Volume 42, Issue 3, Summer 2016, Page 300-318  XML PDF (173 K)
Document Type: Original Article
DOI: 10.21608/jsas.2016.2956
Receive Date: 01 September 2016,  Revise Date: 28 September 2016,  Accept Date: 29 September 2016 
Abstract
Two experiments were carried out under plastic walk-In tunnels during the two successive seasons of 2013/14 and 2014/15 on strawberry plants Carmelo cultivar at the Protected Agriculture Location, Faculty of Agriculture, Kafrelshiekh University. This work aimed to study the effect of the temperature modification, growth substrates(soil, perlite, peat, peat:perlite peat:vermic and peat:perlite:vermic) and their combined interactions on vegetative growth parameters, productivity, fruit quality and leaves chemical analysis.
The results indicated that the plants grown under modified plastic tunnel had higher values of number of leaves, number of crowns, total green color (SPAD), leaf area, weight of early and total yields per plant and m2, average ruit weight, reducing and nonreducing sugars and acidity than those grown under traditional one.
It was observed that the plants grown in peat substrate resulted in thehighest number of leaves, number of crowns, leaf area per plant, number andweight of early yield and P leaf content, but perlite substrate gave darkeness leaves. Besides, peat mixed with vermiculite substrate gave the highest number, weight and average fruit weight of total yield. plants grown in peat:vermic:perlite, peat:vermic and peat:perlite substrates gave the highest N leaf content compared to those grown in soil cultivation which had the highest K leaves content.
The combined interaction between temperature modified tunnel and peat growth substrate treatments had highest records of number of leaves and leaf area/plant at 90 days, number of crown/plant at 60 days after transplanting,
early yield/plant and average fruit weight of both early and total yields in both seasons, total yield/plant and m2 in in the second one, total and nonreducing sugars and acidity in both seasons. Plants grown in modified tunnel and
perlite substarte had the highest values of P leaves content in both seasons compared to those grown under traditional one and perlite substrate which recorded the highest K values, plants grown in either peat:vermicn:perlite or
peat:vermic substrates under traditional tunnel had darkness leaves in both seasons.
Keywords
Strawberry; temperature modification; growth substrates
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