Abstract
Cucumber, (Cucumis sativus L.) is an essential vegetable crop globally. A field study was conducted to assess morphological
diversity of cucumber germplasm at Vegetable Research Area, Institute of Horticultural Sciences, University of Agriculture
Faisalabad (UAF), Pakistan during the year of 2018 and 2019. Present study was designed with 25 genotypes of cucumber
taken from National Agricultural Research Centre (NARC), Islamabad, Pakistan for determining their performance based on
quantitative and qualitative characters. Cluster analysis and principle component analysis (PCA) were carried out for
classifying cucumber genotypes on the basis of resemblances in the phenotypical attributes of fruits, vine, leaves, and flowers
by employing XLSTAT (2018). Phenotypic diversity was highest in color of leaves, size of leaves, skin color of fruits and
shape of fruits. Genotypes C-32149, C-574, Wandri 700, C-571 were closely associated to one another for several
morphological attributes. Results of PCA analysis for the quantitative phenotypical attributes showed that major first two
principle components (PCs) described 23.64% and 17.89% (Combined 41.53%) diversity. Cluster analysis of all cucumber
genotypes of Pakistan classified them into main two clusters with 24.44% diversity within classes and 75.56% variability
between the classes. Genotypes C-32149, C-574, Wandri 700 and C-571 showed greatest diversity various phenotypic traits
including color of leaf, skin color of fruit and size of leaf.
Ahmad Raza, Chaudhary Muhammad Ayyub, Muhammad Awais Ghani, Nisar Ahmed. (2020) ASSESSMENT OF MORPHOLOGICAL DIVERSITY AMONG INDIGENOUS CUCUMBER GERMPLASM OF PAKISTAN, Pakistan Journal of Agricultural Sciences, Volume 57, Issue 6.
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