SALT TOLERANCE OF CHILI GENOTYPES DURING GERMINATION AND SEEDLING GROWTH

Malaysian Journal of Halal Research Journal Pub Date : 2018-07-01 DOI:10.26480/MJHR.02.2018.01.07

M. B. H. Howlader, M. Islam, S. Biswas, M. Uddin, A. Shila, Md. Zohurul Haque, Niaz Mahmud

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引用次数: 10

Abstract

Salinity is one of the major deleterious environmental problems that lead to a colossal deterioration of agricultural land and productivity globally. Due to lack of salinity tolerant varieties, farmers cultivate indigenous cultivars of chili consequences reduced yield. Therefore, the present research was performed to observe the effect of different levels of salinity on germination and growth at early seedling stage of chili plant. Hence, the effect of six different concentrations of NaCl (sodium chloride) (0, 50, 100, 150, 200 and 250 mM) on germination and seedling growth of seventeen chili genotypes was investigated. This experiment was performed in Petri dish lined with a layer of cotton consisting 10 ml of each test solution. Our results revealed that all investigated traits were impaired by salt stress and significantly affected the germination parameters, shoot and root length. Among the all investigated chili genotypes, Bogura (Local) and PARTEX PS-1711 were grown well up to 100 mM (NaCl) concentration and found to be the most tolerant genotype or variety to salt stress.

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辣椒基因型萌发和幼苗生长的耐盐性

盐碱化是导致全球农业用地和生产力严重恶化的主要有害环境问题之一。由于缺乏耐盐品种，农民培育本土辣椒品种导致产量下降。因此，本研究旨在观察不同盐度对辣椒苗期萌发和生长的影响。为此，研究了6种不同浓度NaCl(0、50、100、150、200和250 mM)处理对17个辣椒基因型萌发和幼苗生长的影响。本实验在培养皿中进行，培养皿内衬一层棉花，每层棉花含有10ml的测试溶液。结果表明，盐胁迫显著影响了油菜的萌发参数、茎长和根长。在所有研究的辣椒基因型中，Bogura (Local)和PARTEX PS-1711在100 mM (NaCl)浓度下生长良好，是最耐盐胁迫的基因型或品种。

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Malaysian Journal of Halal Research Journal

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