Influence of foliar application of moringa leaf extract and humic acid on growth, yield and chemical composition of cucumber

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Influence of foliar application of moringa leaf extract and humic acid on growth, yield and chemical composition of cucumber

Asad Ullah, Ata Ullah, Fazle Amin, Barkat Ali, Waqas Ahmad, Imtiaz Khan, Rahmatullah Khan, Fayaz khan
Int. J. Biosci.14( 2), 111-120, February 2019.
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An experiment to study the influence of moringa leaf extracts (MLE) and humic acid (HA) foliar application on growth, yield and physico-chemical components of cucumber was carried out at the University of Agriculture Peshawar-Pakistan during 2016.Randomized complete block design with split plot arrangement having three replicates was used. Different levels of MLE (control, 30, 40 and 50gL-1) and HA concentrations (Control, 0.5, 1 and 1.5%) were applied for foliar application. Data were recorded on various yield and quality attributes. Statistical analysis showed that MLE and HA affected almost all the studied attributes, while the interaction was found non-significant. Results indicated that foliar application of MLE at the rate of 50 gL-1 gave maximum vine length (164.75 cm), single fruit weight (172.25 g),  fruit diameter (4.31 cm), total yield (40.93 tons ha-1),TSS (2.910Brix), titratable acidity (0.49%) and ascorbic acid content (5.79 mg 100g-1) with minimum days to first harvest (54.08) and fruit juice pH (5.36). whereas HA concentration, 1.5 %showed best performance in all the studied attributes as compared to other treatments. Maximum vine length (166.08 cm), single fruit weight (171.50 g), fruit diameter (4.37 cm), total yield (41.84 tons ha-1), TSS (2.83 0Brix), titratable acidity (0.48%), and ascorbic acid (6.00 mg 100g-1) with minimum days to first harvest (54.00) and fruit juice pH (5.27) were recorded using HA at the rate of 1.5%. It was concluded that 50 gL-1 MLE improved yield and chemical composition of cucumber, while 1.5% HA also showed best results.


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