Faculty of Biology, University of Latvia
EEB
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Environ Exp Biol (2016) 14: 57–61
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Environmental and
Experimental
Biology

Environ Exp Biol (2016) 14: 57–61

Orginal Articles

Cumulative effect of potassium and gibberellic acid on growth, biochemical attributes and productivity of F1 hybrid cucumber

Priyanka Pal1, Kuldeep Yadav1, Krishan Kumar2, Narender Singh1*
1Department of Botany, Kurukshetra University, Kurukshetra, Haryana, India
2Centre of Excellence for Vegetables Indo-Israel, Gharaunda (Karnal), Haryana, India
* Corresponding author, E-mail: nsheorankukbot11@gmail.com, nsheorankuk@yahoo.com

Abstract

Cucumis sativus L. is an important fruit vegetable with great economic potential. A study was carried out to evaluate the potential of exogenously applied potassium nitrate [1.0 (K1), 2.5 (K2), 5 (K3) g L–1] and gibberellic acid [0.005 (G1), 0.01 (G2), 0.015 (G3) g L–1] in combination on growth, development and yield of the F1 hybrid cucumber cv. ‘KUK-9’ under protected cultivation. Growth and physiological parameters like vine length, fresh weight, dry weight, number of branches, number of leaves, growth rate, biomass duration, chlorophyll and mineral content were observed after 70 days. Overall results suggest that all the combination treatments showed beneficial effects over the control, but foliar application of G2K2 had maximum effect on growth and development of plants. Total yield and fruit quality were also significantly higher in G2K2 treatment than in other treatments. Foliar application of potassium and gibberellic acid may be effective to maximize cucumber growth, physiological status and yield parameters.

Key words: Cucumis sativus, gibberellic acid, growth, potassium, yield

 
Environ Exp Biol (2016) 14: 57–61
 DOI: http://doi.org/10.22364/eeb.14.08
EEB

Editor-in-Chief
Prof. Gederts Ievinsh



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