Synergistic effect of a fungus, Fusarium semitectum, and a nematode, Tylenchulus semipenetrans, on citrus decline
2016
Safdar, A. (University of Sargodha (Pakistan). Univ. Coll. of Agriculture) | Javed, N. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Khan, S.A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Safdar, H. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Imran-ul-Haq (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Abbas, H. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Ullah, Z. (Pest Warning and Quality Control of Pesticides, Hafizabad (Pakistan))
Synergistic effect of a fungus Fusarium semitectum Berk & Rev. and a nematode Tylenchulus semipenetrans Cobb. was determined individually and concomitantly on citrus. Maximum reduction in the plant growth parameters as number of leaves (61.33%), root length (39.7%), shoot length (31.74%), fresh shoot weight (35.2%), fresh root weight (42.21%), stem diameter (47.78%) and number of feeder roots (50.09%) were observed in the plants having combined treatment of F. semitectum and T. semipenetrans. Nematode reproduction parameters as number of females/g roots (60.22%) and number of juveniles (J2)/g roots (59.97%) and number of J2/100 ml soil (61.34%) were maximum in the individual treatment of T. semipenetrans. Existence of synergistic relationship between F. semitectum and T. semipenetrans in citrus decline was confirmed.
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