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Pakistan Journal of Biological Sciences
Year: 2001  |  Volume: 4  |  Issue: 4  |  Page No.: 429 - 432

Response of Ten Chickpea (Cicer arietinum L.) Cultivars Against Meloidogyne javanica (Treub) Chitwood and Disease Control by Fungal Filtrates

Shabbar Hussain, Amer-Zareen, M. Javed Zaki and M. Abid    

Abstract: All test cultivars of chickpea respondedto root knot nematode M. javanica. Plant tops in nematode inoculated pots were significantly hampered (at p<0.01) compared to nematode free control. Maximum suppression in plant height by nematode was observed in cv. Nes 95 0174 followed by cv. 91 A039, whereas maximum suppression in shoot weight was observed in cv. Nes 95 0012 & Nes 95 0174 in response to nematode infection. Lower degree of gall formation per root system was observed in cv. Nes 95 004. Whereas cv. 90 122, 93 127 & Nes 950174 limited nematodedensitiesin soil and root compared to rest of cultivars. According to the host response index (0- >10), all test cultivars were moderately resistant. Reproduction factor ( r) was higher in cv. Nes 96 003 (r =1.88) compared to rest ofcultivars. In biocontrol experiment CF of A. nigerw as effectively increased plant height, fresh shoot weight and root length followed by A. flavus and A. temarii compared to other treatments and control. Maximum reduction in nematodesoil density was achieved by A.flavus (>17%)followed by A. temarii (134%) compared to other treated pots. Gall formation per root system was significantly hampered (at p<0.001) where A. niger was applied followed by A. nidulans> A. flavus> A. terreus> A. fumigatus compared to control.

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