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Synergistic effect of a fungus,Fusarium semitectum,and a nematode,Tylenchulus semipenetrans,on citrus decline
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نویسنده
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safdar a. ,javed n. ,khan s.a. ,safdar h. ,haq i.u. ,abbas h. ,ullah z.
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منبع
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pakistan journal of zoology - 2013 - دوره : 45 - شماره : 3 - صفحه:643 -651
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چکیده
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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. copyright 2013 zoological society of pakistan.
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کلیدواژه
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Citrus decline; Fusarium semitectum; Synergistic effects; Tylenchulus semipenetrans
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آدرس
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university college of agriculture,university of sargodha, Pakistan, department of plant pathology,university of agriculture, Pakistan, department of plant pathology,university of agriculture, Pakistan, department of plant pathology,university of agriculture, Pakistan, department of plant pathology,university of agriculture, Pakistan, department of plant pathology,university of agriculture, Pakistan, pest warning and quality control of pesticides, Pakistan
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Authors
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