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Asian Journal of Plant Sciences 1 ( 2 ): 128 - 129 , 2002
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Journal of Agronomy 5 ( 2 ): 248 - 250 , 2006
A. Ghafoor, M.A. Zahid, Z. Ahmad, M. Afzal and M. Zubair
Pakistan Journal of Biological Sciences 3 ( 8 ): 1270 - 1273 , 2000