FUNGICIDAL EFFECT AND PHYTOTOXICITY OF SOME HERBICIDES, PLANT EXTRACTS , COMMERCIAL PLANT OILS,FUNGAL FILTRATES COMPARED WITH TEBUCONAZOLE ON SOME FUNGI AND SEEDLINGS OF COTTON AND WHEAT. | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 18, Volume 34, Issue 6, June 2009, Page 6979-6989 PDF (674.49 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2009.217184 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| E. A. A. Kishk, | ||||
| Plant Protection Department, Faculty of Agricultural, Tanta University Egypt. | ||||
| Abstract | ||||
| In this work, six plant extracts (sweet basil, peppermint, sweet scented geranium , roselle , cumin and black pepper) , three commercial plant oils(nigella oil, cumin oil and castor oil) , two herbicides (bentazon and clethodim) , two fungal filtrates(Trichoderma harzianum and Trichoderma viride) and one fungicide (tebuconazole) were tested to control Fusarium oxysporum, Aspergillus niger and Rhizoctonia solani which cause damping-off and root rot diseases to many crops. Furthermore, the mixtures of Trichoderma viride filtrate or T. harzianum with other treatments were tested against the three fungi to study the joint action. The phytotoxicity of all treatments was tested on cotton and wheat seedlings in agar medium. The results revealed that fungicide tebuconazole was the most effective in controlling F. oxysporum, A. niger and R. solani under laboratorial conditions, followed by the filtrates of T. spp., plant oils and plant extracts, respectively. The lowest effect was observed by herbicides. The mixtures of T. viride or T. harzianum with all others treatments gave additive and synergistic effects against all tested fungi. All treatments did not show any phytotoxic effects against cotton and wheat seedlings except some treatments which gave slight phytotoxic effects . | ||||
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