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Articles by Nargis Jamil Khan
Total Records ( 2 ) for Nargis Jamil Khan
  Amer-Zareen , Nargis Jamil Khan and M. Javed Zaki
  In a greenhouse study P. lilacinus, T. harzianum and T. flavus were used as seed treatment and soil drench. Seed treatment by P. lilacinus reduced gall formation, egg mass production, nematode soil and root densities as compared to control and other treatments. P. lilacinus improved plant growth followed by T. flavus and T. harzianum comparing with control. In another experiment, where soil was treated with conidial suspension, maximum plant height and shoot weight was achieved by P. lilacinus > T. harzianum compared to control, whereas T. flavus was found less effective in the enhancement of plant tops. Maximum suppression in gall formation (at p <0.01) and egg mass production (at p<0.001) was obtained in okra plants treated with P. lilacinus whereas T. flavus and T. harzianum were almost equally effective. Conidial suspension of microbial antagonists used as soil amendment also reduced nematode root invasion (at p<0.001) as well as soil densities
  Amer-Zareen , M. Javed Zaki and Nargis Jamil Khan
  Seven species of Aspergillus were screened for their biocontrol potential against Meloidogyne javanica root-knot nematodes on tomato under greenhouse conditions. Culture filtrates (CF) of Aspergillus niger, A. terreus and A. tamarii improved plant height, root length and fresh shoot weight when used as soil drench or bare root dipped seedlings. Besides, maximum reduction in gall formation and egg mass production was obtained by CF of A. niger, A. fumigatus and A. terreus in both soil drench and bare root dip seedlings compared to control. A. niger was found most successful in minimizing root and soil densities of root-knot nematodes in soil drench treatments compared to other test CF and control. Bare root dipped seedlings by A. nidulans CF reduced the root-knot development in tomato roots and in rhizosphere.
 
 
 
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