Research Article

**Chilling Tolerance in Pisum sativum L. Seeds: An Ecological Adaptation**

Pisum sativum L. plants are well-adapted to grow in the areas with cool and humid climatic conditions of tropics, subtropics and temperate regions with temperature ranging from 7-30°C. These plants grow as inter annual, can tolerate frost to -20°C in the seedling stage. In Pisum sativum seeds the heat shock given at 45 and 50°C resulted in seedling growth retardation at room temperature but the heat shock was ameliorated by chilling treatment since in all experimentals (treatments at 35, 40, 45 and 50°C) seedlings exhibited uniform proliferated growth in cold condition. This quality of Pisum sativum seeds seems to be an ecological adaptation to growth at a wide range of temperature regime.

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J. Shereena and Nabeesa Salim, 2006. Chilling Tolerance in Pisum sativum L. Seeds: An Ecological Adaptation. Asian Journal of Plant Sciences, 5: 1047-1050.

DOI: 10.3923/ajps.2006.1047.1050

URL: https://scialert.net/abstract/?doi=ajps.2006.1047.1050

Asian Journal of Plant Sciences

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J. Shereena

Nabeesa Salim

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Research Article

**Chilling Tolerance in Pisum sativum L. Seeds: An Ecological Adaptation**

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