Unveiling the Factors Afecting Leaf Spot Disease in Mungbean and its Management | [Pakistan Journal of Agricultural Research • 2023]

Author(s):

1. Shaista Ilyas: Department of Plant Pathology, University of Agriculture Faisalabad,38000,Pakistan

2. Safdar Ali: Department of Plant Pathology, University of Agriculture Faisalabad,38000,Pakistan

3. Amer Habib: Department of Plant Pathology, University of Agriculture Faisalabad,38000,Pakistan

4. Misbah Ali: Department of Plant Pathology, University of Agriculture Faisalabad, 38000, Pakistan; Plant Pathology Section, Ayub Agricultural Research Institute Faisalabad. Pakistan.

5. Muhammad Ahmad Zeshan: Department of Plant Pathology, College of Agriculture, University of Sargodha,Sargodha, 40100,Pakistan

6. Yasir Iftikhar: Department of Plant Pathology, College of Agriculture, University of Sargodha,Sargodha, 40100,Pakistan

7. Muhammad Usman Ghani: Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Pakistan; Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Tianhe District, Guangzhou, Guangdong, China

8. Muhammad Umair: Department of Plant Pathology, University of Agriculture Faisalabad,38000,Pakistan

Abstract:

Mungbean (Vigna radiata (L.) is cultivated on large area and has high nutritional values. Leaf spot incited by Cercospora canescens is the major constraint that significantly afects the productivity of mungbean. hTis research was aimed to manage the Cercospora leaf spot diseases by using diferent chemicals by foliar spray using 0.05g of boric acid, ZnSO4, MgSO4, and a combination of all these. The in-vivo experiment was carried out in the open field using randomized complete block design (RCBD). Efects of diferent chemicals on disease management were examined statistically by using Tukey's honestly significant diference (HSD) test at 5% level of significance. The most efective treatment was the combination of all 3 chemicals that gave maximum disease control and 11.72% disease severity was recorded. Mungbean cultivars were also screened for the source of resistance against leaf spot disease and none was found immune and highly resistant. Correlation and regression analysis were performed to find the relation of environmental factors and disease development. There was a positive relationship between disease severity (Cercospora leaf spot disease) and relative humidity, wind speed and rainfall. The results revealed that there was negative correlation between maximum temperature and disease development. It could be concluded that the application of nutrients alone and in combination caused significant reduction in disease severity and enhanced the plant growth.

Page(s): 147-154

DOI: 10.17582/journal.pjar

Published: Journal: Pakistan Journal of Agricultural Research, Volume: 36, Issue: 2, Year: 2023

Keywords:

management , Epidemiology , fungicides , Fungus , Cercospora , Plant defense

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