
	Asian Journal of Plant Sciences
	Year: 2003 \| Volume: 2 \| Issue: 3 \| Page No.: 297-299 DOI: 10.3923/ajps.2003.297.299

Chilling Effect on Germination and Seedling Vigour of Some Cultivated Species of Gossypium

Zahid Iqbal Anjum and Asia Khatoon

Abstract: The study was conducted to assess the chilling effect on germination, hypocotyl and root length of two cotton cultivars. Hundred seeds of each Gossypium arboreum A2 genome (G₁) and Gossypium hirsutum AD-1 (G₂) were chilled at 0 °C for 0, 24, 48, 72 and 96 h and then placed in incubator at 32°C. Germination percentage significantly decreased with the increasing chilling period. However, the effect was pronounced on G₁ than G₂. The highest hypocotyl length after 96 h of chilling treatment was 64 mm for G₁ and 91 mm for G₂, under 48 h of chilling treatment. Root lengths of both varieties were maximum under the treatment of 24 h of chilling after 96 h. On the basis of germination percentage, hypocotyl and root length, it may be inferred that G₂ was more cold tolerant variety than G₁.

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How to cite this article:

Zahid Iqbal Anjum and Asia Khatoon, 2003. Chilling Effect on Germination and Seedling Vigour of Some Cultivated Species of Gossypium. Asian Journal of Plant Sciences, 2: 297-299.

DOI: 10.3923/ajps.2003.297.299

URL: https://scialert.net/abstract/?doi=ajps.2003.297.299

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