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Title

STUDY ON MORPHOLOGICAL AND PATHOLOGICAL CHARACTERISTICS OF COLLETOTRICHUM GLOEOSPORIOIDES CAUSAL AGENT OF CITRUS ANTHRACNOSE

Pages

  146-154

Abstract

 In order to identify the variability of characteristics of COLLETOTRICHUM GLOEOSPORIOIDES (Penz.) Penz. & Sacc.in Penz., the causal agent of CITRUS anthracnose, samples were collected from GOLESTAN PROVINCE during 2002-2004. Single spore isolates were derived from all of the cultures on potato dextrose agar (PDA). Then, all of the isolates were surveyed. The isolates were settled into two groups, differing morphologically and pathologically. The first group, were fast growing isolates with gray colonies and produced abundant mycelia. Conidia of this group were cylindrical with both apices rounded. The second group, were slow growing isolates with orange colonies and abundant production of conidial masses. This group had smaller fusiform conidia, most with one fusiform apex and the other apex was rounded. The growth rate of the first group was two time faster than the second group on PDA. Also, cultures of all isolates were grown under continuous light on PDA and examined for the presence of setae after 10 days. Most of the first group isolates produced four-septate setae. The second group isolates did not produce setae. In according to examine the pathogenicity, cultures of all isolates were inoculated to the leaves and blossoms of sweet orange (Citrus sinensis) trees. All isolates could not be compared pathogenically on detached blossoms. Also, inoculation with first group isolates produced no typical post bloom fruit drop symptoms; but the second group isolates were retrieved of diseased petals. The first group isolates were retrieved of the leaves. No typical symptoms were observed of inoculation the second group isolates to leaves.

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    APA: Copy

    DAVARIAN, T., TAHERI, A.A.GH., & RAZAVI, S.I.. (2006). STUDY ON MORPHOLOGICAL AND PATHOLOGICAL CHARACTERISTICS OF COLLETOTRICHUM GLOEOSPORIOIDES CAUSAL AGENT OF CITRUS ANTHRACNOSE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(1), 146-154. SID. https://sid.ir/paper/9493/en

    Vancouver: Copy

    DAVARIAN T., TAHERI A.A.GH., RAZAVI S.I.. STUDY ON MORPHOLOGICAL AND PATHOLOGICAL CHARACTERISTICS OF COLLETOTRICHUM GLOEOSPORIOIDES CAUSAL AGENT OF CITRUS ANTHRACNOSE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;13(1):146-154. Available from: https://sid.ir/paper/9493/en

    IEEE: Copy

    T. DAVARIAN, A.A.GH. TAHERI, and S.I. RAZAVI, “STUDY ON MORPHOLOGICAL AND PATHOLOGICAL CHARACTERISTICS OF COLLETOTRICHUM GLOEOSPORIOIDES CAUSAL AGENT OF CITRUS ANTHRACNOSE,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. 1, pp. 146–154, 2006, [Online]. Available: https://sid.ir/paper/9493/en

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