BIOLOGICAL CONTROL OF PRE AND POST-EMERGENCE DISEASES ON FABA BEAN, LENTIL AND CHICKPEA IN EGYPT | ||||
| Egyptian Journal of Agricultural Research | ||||
| Article 1, Volume 81, Issue 4, December 2003, Page 1491-1503 PDF (3.65 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejar.2003.287167 | ||||
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| Authors | ||||
| NAGI M. ABOU-ZEID1; MOHAMED K. ARAFA1; SABAH ATTIA2 | ||||
| 1Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt | ||||
| 2Field Crops Research Institute, Agricultural Research Center, Giza, Egypt | ||||
| Abstract | ||||
| Efficiency of four bioagents (i.e. Trichoderma harzianum, Gliocla-dium Wrens, Bacillus subtilis and Paecillomyces sp..) and vitavax 200 fun-gicide, were evaluated at two sowing dates as seed coating for some le-guminous crops and planted in a soil naturally infested with Rhizoctonia solani, Fusarium sop. and others. The study included faba bean, lentil, and chickpea. The results of the two seasons (1999 and 2000) showed that, seed treatment with all bioagents or Vitavax 200 fungicide signifi-cantly decreased damping-off diseases and increased percentage of sur-viving plants; however, the biocontrol agents were more effective than the fungicide, when compared to untreated seeds of the three legumi-nous crops, especially in the early sowings, except for lentil where the opposite trend was found. Bioagents significantly reduced damping-off and increased surviv-ing plants of faba bean and were as effective as vitavax 200. while seed coating with G.vircns or T. harzianum was more effective in controlling pre- and post- emergence damping-off on lentil in 1999 season, whereas B.subtilis was superior in 2000. On chickpea, Rhizo-N (B.subtilis) gave the best results followed by G. Wrens or 71 harzianum. | ||||
| Keywords | ||||
| Biocontrol agents: Trichoderma harzianum; Bacillus subtilis; Paecillomyces; Legumes | ||||
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