SUSCEPTIBILITY OF SOME CITRUS ROOTSTOCKS TO INFECTION WITH PHYTOPHTHORA ROOT ROT DISEASE AND ITS CONTROL IN EGYPT. | ||
| Journal of Plant Protection and Pathology | ||
| Article 3, Volume 32, Issue 8, August 2007, Pages 6787-6798 PDF (564.62 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jppp.2007.220162 | ||
| Authors | ||
| H. A.H. Mahrous,1; O. Y. Shalaby2 | ||
| 1Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt. | ||
| 2Agric. Botany Department, Faculty of Agriculture, Fayoum Univ., Fayoum, Egypt. | ||
| Abstract | ||
| Evaluation of some citrus rootstocks against the causal fungus of citrus root rot, i.e., Phytophthora parasitica revealed that Sour orange was the most susceptible rootstock to infection with the tested fungus, while Volkamer lemon (Citrus volkameriana) was less susceptible to Phytophthora root rot, whereas Rangpour lemon and Troyer citrange were intermediate. Metalaxyl (Ridomil), Fosetyl-Al (Aliette), Agri-Fos 400 (Phosphorous Acid) and Chito care (Chitosan) gave good effect against Phytophthora root rot. The greatest reduction in incidence and severity was obtained when the combined treatment of fungicides i.e., pre-planting +soil drench was applied. | ||
| Keywords | ||
| Citrus root rot; citrus rootstocks; fungicides; chito care (Chitosan); biofertilizer; citrus volkameriana; Phytophthora parasitica | ||
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