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Environmental Pollution and Leaf Cuticular Variation in Kudzu (Pueraria lobata Willd.)

G. K. SHARMA, C. CHANDLER and L. SALEMI
Annals of Botany
Vol. 45, No. 1 (January 1980), pp. 77-80
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/42756672
Page Count: 5
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Environmental Pollution and Leaf Cuticular Variation in Kudzu (Pueraria lobata Willd.)
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Abstract

Four populations of kudzu (Pueraria lobata Willd.) were studied in rural, relatively unpolluted areas and in habitats characterized by heavy industrial pollution in north-west Tennessee, U.S.A. Leaf length, leaf width, petiole length, flower size and pod size showed a decrease in growth in heavily polluted areas. Trichome frequency and length on the leaf surfaces increased with an increase in environmental pollution while the stomatal frequency values showed a slight decrease in polluted habitats. The length of the largest and the smallest stomata and the number of undulations in the epidermal cells in kudzu plant populations were not affected by environmental pollution. Subsidiary cell complex consisting of two cells also remained the same in all the plant populations sampled in polluted and relatively unpolluted habitats.

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