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Impacts of vehicle exhaust black soot on germination of gram seed (Cicer arietinum L.)

02/14/2014

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Communications in Plant Sciences, vol 4, issues 1-2, p.01-09, 2014

Full title: Impacts of vehicle exhaust black soot on germination of gram seed (Cicer arietinum L.)

Authors: Naba Kumar Mondal, Debopriya Panja, Chittaranjan Das, Uttiya Dey and Kousik Das

Abstract: An investigation was initiated to examine the effects of carbon soot collected from exhaust tube of 15 years old petrol and diesel operated vehicles on gram seed germination and biochemical changes of seedling. In view of the widespread cultivation of gram seed in India and long-term impact of black carbon is the warming of the atmosphere as per the recommendation of IPCC (2007). Black soot were separately treated with different doses and the effects of these treatment had on seed germination, seedling vigor, chlorophyll and carotenoid content, root and shoot growth, protein, sugar, phenol and proline estimation were studied. The treatment T6 significantly affected on seed germination (84%) as well as seedling vigor and chlorophyll content. But other treatment promoted both seed germination and seedling vigor along with enhancement of other biochemical constituents. On the other hand micrograph study revealed that treatments T1 and T4 both showed negative effects on stomata rather than the ultra-structure of xylem and phloem.

Keywords: Carbon black soot, Germination, Vigor index, Biochemical constituints, Micrograph study.

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