SURVIVAL AND HOST RANGE OF MYCOSPHAERELLA GRAMINICOLA THE CAUSAL AGENT OF SEPTORIA LEAF BLOTCH OF WHEAT

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HAGHDEL M.; BANIHASHEMI Z.A.D.

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Journal: IRANIAN JOURNAL OF PLANT PATHOLOGY Year:2005 | Volume:41 | Issue:4 Page(s): 613-630

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Title

SURVIVAL AND HOST RANGE OF MYCOSPHAERELLA GRAMINICOLA THE CAUSAL AGENT OF SEPTORIA LEAF BLOTCH OF WHEAT

Author(s)

HAGHDEL M. | BANIHASHEMI Z.A.D. | Issue Writer Certificate

Keywords

SEPTORIA TRITICIQ3

HOST RANGEQ2

WHEATQ3

WEEDQ2

Abstract

Survival of Septoria trifid, the causal agent of Septoria leaf blotch of WHEAT was studied under natural and laboratory conditions. Infected leaves containing pycnidia were placed on soil surface and buried under the soil (10- 20- 30 and 40 cm). The germination of pycnidiospores'decreased after eight month on soil surface. Leaf pieces containing pycnidia buried under the soil were colonized by saprophytic agents resulted in total destruction of pycnidia at less than two month. Under laboratory conditions (4-5 QC), eighteen to twenty percent of pycnidiospores germinated from leaf samples stored over 25 months. To study the formation of sexual stage of the pathogen under natural conditions, infected WHEAT plant were placed in open air. Morphological study of ascospores formed under natural conditions, corresponded to Mycosphaerella graminicola reported by others. Attempts made to germinate ascospores were failed and no pathogenicity could be accomplished. Ascocarps could not be obtained under laboratory conditions. To study HOST RANGE and the role of WEEDs for survival of the pathogen, various plant species as Avena fatua, A. ludvidana, Aegilopes crassa, Agropyron repens Bromus sterlis, Digitaria lunguinalis, Hordeum murinum, H. spantaneum, Lolium rigidum, Phalaris minor, Poa annua, Secale cereale, Setaria viridis, H. vulgar cultivar Rihaneh and Zea mays cultivar KSc704 were inoculated with suspension containing of 107 spores /ml under greenhouse and controlled growth chamber conditions. L. rigidum and S. cereale were infected and pycnidia were produced on dry leaves 40-45 days after inoculation. The fungus was reisolated and found to be pathogenic on WHEAT, L. rigidum is a new host for Iran. Under field conditions, no symptom of the disease was found on collected WEEDs. Attempts made to detect the pathogen on seeds collected from infested WHEAT fields, were unsuccessful.

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APA: Copy

HAGHDEL, M., & BANIHASHEMI, Z.A.D.. (2005). SURVIVAL AND HOST RANGE OF MYCOSPHAERELLA GRAMINICOLA THE CAUSAL AGENT OF SEPTORIA LEAF BLOTCH OF WHEAT. IRANIAN JOURNAL OF PLANT PATHOLOGY, 41(4), 613-630. SID. https://sid.ir/paper/48265/en

Vancouver: Copy

HAGHDEL M., BANIHASHEMI Z.A.D.. SURVIVAL AND HOST RANGE OF MYCOSPHAERELLA GRAMINICOLA THE CAUSAL AGENT OF SEPTORIA LEAF BLOTCH OF WHEAT. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2005;41(4):613-630. Available from: https://sid.ir/paper/48265/en

IEEE: Copy

M. HAGHDEL, and Z.A.D. BANIHASHEMI, “SURVIVAL AND HOST RANGE OF MYCOSPHAERELLA GRAMINICOLA THE CAUSAL AGENT OF SEPTORIA LEAF BLOTCH OF WHEAT,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 41, no. 4, pp. 613–630, 2005, [Online]. Available: https://sid.ir/paper/48265/en

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