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Leaf blight disease ofCitrus acida var.variegata

  • J. N. Rai
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Summary

A leaf spot disease ofCitrus acida var.variegata has been recorded. The disease is most conspicuous during rainy season and at the fall of winter in spring.

The symptoms of the disease have been described in detail.

Successful inoculation experiments have been performed both under field and laboratory conditions. Spores both from culture as well as those occurring in the acervuli of the leaves could bring about infection of the leaves. It was found that injury increased the rate of infection.

The morphological character of the pathogen has been described and the fungus has been identified as a new strain ofColletotrichum glœosporioides Penz. differing in several characters from other strains.

Keywords

Mercuric Chloride Inoculation Experiment Citrus Plant Colletotrichum Gloeosporioides Leaf Spot Disease 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literature Cited

  1. *1.
    Burger, O. F... “Variation inColletotrichum glœosporioides,”Jour. Agr. Res., 1921,20, 723–36.Google Scholar
  2. 2.
    Chaudhury, H. and Singh, G. “The wither-tip disease of Citrus plants—I,”Jour. and Proc. Asiatic Soc. Bengal, 1930,26, 523–32.Google Scholar
  3. 3.
    Clausen, R. E... “A new fungus concerned in wither-tip of varieties ofCitrus medica,”Phytopathology, 1912,2, 217–34.Google Scholar
  4. 4.
    Fawcett, H. S...Citrus Diseases and Their Control, McGraw-Hill Publications, New York, 1936.Google Scholar
  5. *5.
    Rolfs, P. H... “Wither-tip and other diseases of Citrus trees and fruits,”U.S. Dept. Agr. Bur. Plant Indus. Bul., 1904,52, 20.Google Scholar

Copyright information

© Indian Academy of Sciences 1956

Authors and Affiliations

  • J. N. Rai
    • 1
  1. 1.Department of BotanyLucknow UniversityIndia

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