Herbicidal potential of aqueous leaf extract of allelopathic trees against Phalaris minor
2006
Javaid, A. (Punjab Univ., Lahore (Pakistan). Dept. of Mycology and Plant Pathology) | Shafique, S. (Punjab Univ., Lahore (Pakistan). Dept. of Mycology and Plant Pathology) | Shafique, S. (Punjab Univ., Lahore (Pakistan). Dept. of Mycology and Plant Pathology)
Effect of 2, 4 and 8% (wlv) aqueous extracts of dry leaves of Alstonia scholars (L.) R. Br., Azadirachta indica (L.) A. Juss., Eucalyptus citriodora Hook, Mangifera indica L. and Syzygium cumini (L.) Skeels was investigated against germination and seedling growth of one of the most serious weeds of wheat viz. Phalaris minor Retz. Aqueous extracts of all the employed concentrations of A. scholars, A. indica and E. citiodora proved highly effective resulting in significant reduction of 43-100% in final germination of the target weed species. Aqueous extracts of M. indica and S. cumini proved less effective where only highest concentration of 8% exhibited significant negative impact against the germination of P. minor. Generally, not always, the higher concentrations of 4 and 8% significantly reduced the seedling root and shoot growth of the target weed species.
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