Acta Scientific Agriculture (ASAG)(ISSN: 2581-365X)

Research Article Volume 7 Issue 6

Correlation of Sowing Dates and Weather Factors on the Infection and Severity of Alternaria Blight and White Rust of Indian Mustard (Brassica juncia L. Czern and Coss.) in Eastern Uttar Pradesh of India

Jay Kumar Yadav1, H K Singh2, S K Singh2*, N K Sharma3, Sandeep Kumar2, Vikash Kumar Yadav2 and Manoj Kumar Chitara2

1ICAR-Krishi Vigyan Kendra, Dhaura, Unnao, Uttar Pradesh, India
2Department of Plant Pathology, Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Uttar Pradesh, India
3ICAR-Krishi Vigyan Kendra, Kaushambi, Uttar Pradesh, India

*Corresponding Author: S. K. Singh, Department of Plant Pathology, Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Uttar Pradesh, India.

Received: March 14, 2023; Published: May 03, 2023


India is one of the world’s largest producers of oilseed crops. Among the oilseed crops of India, Indian mustard (Brassica juncia L.) has shared the maximum account of the edible oilseed production, which is also considered the backbone of the Indian agriculture economy. Recently the production of Indian mustard is decline due to adverse climatic conditions. Hence, the changes in climatic conditions also increase the pest attacks on the crops. The present investigation documented the correlation of weather factors on the prevalence and severity of the Alternaria blight and White rust on Indian mustard. The experiment was conducted with eight dates of sowing viz. October (1, 10, 20, and 30), November (10, 20, and 30), and December (10) of the mustard crop (var. Varuna) in the field during the Rabi season at 10 days intervals. The results revealed that the maximum severity and apparent infection rate (r) of Alternaria blight and white rust were recorded on the sixth (November, 20) and eighth (December, 10) date of sowing, respectively. Among dates of sowing, the maximum seed yield was recorded at first date of sowing (20.41 q/ha) followed by second (19.99 q/ha) and third (19.16 q/ha). Overall, our findings suggested that early-sown crops escaped the disease outbreak and give higher yields compared to late-sown crops.

Keywords: Mustard; Disease Severity; PDI; Sowing Dates; Apparent Infection Rates; Weather Factor


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Citation: S. K. Singh., et al. “Correlation of Sowing Dates and Weather Factors on the Infection and Severity of Alternaria Blight and White Rust of Indian Mustard (Brassica juncia L. Czern and Coss.) in Eastern Uttar Pradesh of India". Acta Scientific Agriculture 7.6 (2023): 09-17.


Copyright: © 2023 S. K. Singh., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


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