Diagnosis and prescription for Cercospora leaf spot of chilli

Authors

  • MS Islam Sher-e-Bangla Agricultural University, Dhaka-1207
  • K Fatema D-3, Chandona Bhaban, Sher-e-Bangla Agricultural University, Dhaka-1207
  • KMB Alam Department of Agricultural Studies, Sitakund College, Chittagong
  • MB Meah Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh-2202

DOI:

https://doi.org/10.3329/jbau.v13i2.28779

Keywords:

Diagnosis, Prescription, Leaf spot, Chilli

Abstract

The experiments were carried out during 2009 to 2013 on diagnosis and prescriptions for management of Cercospora leaf spot of chilli. The studies were undertaken in 250 growers field of five upazillas viz. Mymensingh sadar, Kushtia sadar, Kumarkhali, Chandina and Sher-e-Bangla Nagar. The highest disease incidence (38.6%) and severity (17.4%) of Cercospora leaf spot of chilli was recorded. Cercospora capsici produced leaf spot of chilli. The prescription given by Plant Disease Diagnostic Clinic (PDDC) was effective in the farmers field against the disease. Cercospora leaf spot of chilli is the most important diseases of spices in Bangladesh as the diseases significantly reduce the quality and yield. Prescription was Bavistin-50 DF @ 1g/l sprayed 4 times at 15 days interval for management of Cercospora leaf spot of chilli. The practices reduced the incidence by 72.82%, severity by 65.60%. The yield increased by 35.11%. Benefit cost ratio (BCR) was 3.34.

J. Bangladesh Agril. Univ. 13(2): 191-196, December 2015

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Author Biography

MS Islam, Sher-e-Bangla Agricultural University, Dhaka-1207



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Published

2016-07-20

How to Cite

Islam, M., Fatema, K., Alam, K., & Meah, M. (2016). Diagnosis and prescription for Cercospora leaf spot of chilli. Journal of the Bangladesh Agricultural University, 13(2), 191–196. https://doi.org/10.3329/jbau.v13i2.28779

Issue

Section

Crop Science