HITHERTO UNRECORDED FOLIAR DISEASES OF POMEGRANATE FROM INDIA

HITHERTO UNRECORDED FOLIAR DISEASES OF POMEGRANATE FROM INDIA

Renu Thakur1*, Ved Ram2 and Pooja Kapoor3
1,3CSKHPKV, Palampur, Himachal Pradesh-176062, India
2Dr. Y. S. Parmar UHF, Nauni, Solan (H.P.), India, 173230
[Corresponding author E-mail*1: renu6660@gmail.com]
Received: 18-06-2015 Accepted: 07-09-2015
Abstract:
During survey of pomegranate growing areas of Himachal Pradesh for pathogenic diseases, pomegranate (Punica granatum L.) was found infected with several foliar diseases. These foliar pathogens retarded the fruit growth and development by retarding photosynthesis process. Therefore, detailed studies were carried out in different pomegranate growing areas of Himachal Pradesh to identify the associated pathogens. The pathogenic fungi associated with various types of foliar diseases were identified as Alternaria alternata, Coniella granati and Pestalotia brevista. The literature indicates that Coniella granati and Pestalotia brevista are reported for the first time on the leaves of pomegranate from India, while Alternaria leaf spot by Alternaria alternata constitutes the first reports from Himachal Pradesh. Most severe leaf spots occuring on pomegranate were Coniella leaf blotch (C. granati) and Alternaria leaf spot (A. alternata). The fungi were re-isolated from leaf lesions, confirming Koch’s postulates.

Keywords: pomegranate, pathogenic diseases, fungi, Koch’s postulates

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