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International Journal of Plant & Soil Science, ISSN: 2320-7035,Vol.: 14, Issue.: 4

Original-research-article

Genotypic Variation in Physiological Quality of Fresh Cotton Seed

 

M. Abdus Salam1, M. Moynul Haque2, Md. Obaidul Islam3, M. Nasir Uddin4 and Md. Nazmul Haque3*

1Cotton Development Board, Zonal Office, Chuadanga, Bangladesh.

2Department of Agronomy, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur-1706, Bangladesh.

3Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh. 

4Genetic Resources and Seed Division, Bangladesh Jute Research Institute, Dhaka-1207, Bangladesh.

Article Information
Editor(s):
(1) Fatemeh Nejatzadeh, Department of Horticulture, Faculty of Agriculture, Khoy Branch, Islamic Azad University, Iran.
Reviewers:
(1) Essam Fathi Mohamed El-Hashash, Al-Azhar University, Cairo, Egypt.
(2) Bilal Ahmad Wani, Sheri-Kashmir University of Agricultural Sciences and Technology, J&K, India.
Complete Peer review History: http://www.sciencedomain.org/review-history/18041

Abstracts

Quality seed is essential to increase cotton production in Bangladesh. For this, 43 cotton genotypes were evaluated to identify better inherent physiological seed quality. The experiment was set up at the Seed Science and Technology Unit Laboratory of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh in May, 2009. The results showed great variation exists in seed index, seed germination percentage, electrical conductivity and seedling vigour of studied cotton genotypes. Frequency distribution suggested the majority number of the genotypes had higher values of germination percentage and seedling vigour. Electrical conductivity (EC) test of seed leachate provides the status of seed quality. The highest EC of seed leachate found in  genotypes BC-0434 and BC-0432 ensuing of weak membrane while the lowest EC of seed leachate was recorded in genotype BC-0125. Cluster analysis grouped the genotypes into five distinct groups which categorized into (i) low, (ii) medium low, (iii) medium, (iν) medium high and (ν) high vigour. The genotypes BC-051, BC-0197, BC-0432, BC-0438 and BC-0252 in cluster V showed the highest germination percentage (96.20%) with the highest seedling vigour index (5064). Therefore, these genotypes could be used for genetic improvement of cotton considering higher yield with better seed quality.

Keywords :

Cluster analysis; electrical conductivity; seed germination percentage; seed index.

Full Article - PDF    Page 1-8

DOI : 10.9734/IJPSS/2017/31205

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