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Information Journal Paper

Title

RICE BLACK-GALL DWARF IN FARS

Pages

  281-297

Abstract

 Rice black-gall dwarf has been found in some RICE fields of Firouzabad and Mamasani in the Fars province. Major symptoms of the disease are severe stunting and formation of elongated vein galls on the lower surface of leaves. The galls are green at first but turn dark and finally black. The causal agent of the disease was transmitted from infected RICE to RICE and certain other plant species with Laodelphax striatellus and Unkanodes tanasijevici under greenhouse conditions. L striatellus also proved to be the natural vector of the disease agent when planthoppers captured from RICE fields were tested for transmission in the greenhouse. Electron microscopy of crude extracts and thin sections of infected leaves, as well as thin sections of inoculative planthoppers showed presence of isometric reovirus- like particles of ca. 60 nm diameter. Parallel host range studies of the RICE black-gall dwarf associated virus (RBGDA V) and MAIZE ROUGH DWARF VIRUS (MRDV) showed that both viruses infected RICE, wheat barley, maize, rye, Setaria italicum, and Echinochloa crus-galli, inducing similar symptoms in most cases. MRDV however, did not cause formation of gallson barley leaves while RBGDAV did. In immunoelecron microscopy tests, RBGDA V was not decorated with a MRDV antiserum from Italy. RBGDAV appears to be a Fijivirus biologically close to MRDV.

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  • Cite

    APA: Copy

    KAMRAN, R., IZADPANAH, K.A., & EBRAHIM-NESBAT, F.. (2000). RICE BLACK-GALL DWARF IN FARS. IRANIAN JOURNAL OF PLANT PATHOLOGY, 36(3-4), 281-297. SID. https://sid.ir/paper/528287/en

    Vancouver: Copy

    KAMRAN R., IZADPANAH K.A., EBRAHIM-NESBAT F.. RICE BLACK-GALL DWARF IN FARS. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2000;36(3-4):281-297. Available from: https://sid.ir/paper/528287/en

    IEEE: Copy

    R. KAMRAN, K.A. IZADPANAH, and F. EBRAHIM-NESBAT, “RICE BLACK-GALL DWARF IN FARS,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 36, no. 3-4, pp. 281–297, 2000, [Online]. Available: https://sid.ir/paper/528287/en

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