Unveiling the Factors Affecting Leaf Spot Disease in Mungbean and its Management
Unveiling the Factors Affecting Leaf Spot Disease in Mungbean and its Management
Shaista Ilyas1, Safdar Ali1, Amer Habib1, Misbah Ali1,2, Muhammad Ahmad Zeshan3*, Yasir Iftikhar3, Muhammad Usman Ghani4,5 and Muhammad Umair1
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 affects the productivity of mungbean. This research was aimed to manage the Cercospora leaf spot diseases by using different 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). Effects of different chemicals on disease management were examined statistically by using Tukey’s honestly significant difference (HSD) test at 5% level of significance. The most effective 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.
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