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Devendra Mandal

Publications (5)

In vitro Study on Fungicide Sensitivity of Alternaria brassicicola for Managing Leaf Blight in Mustard (Brassica juncea)

Amita Kiran, Devendra Mandal & Sanjeev Kumar · International Journal of Plant & Soil Science · 2024

Alternaria brassicicola, a phytopathogenic fungus, incites Alternaria leaf blight in mustard, leading to substantial yield and quality losses. This study aimed to investigate the efficacy of seven chemical fungicides against A. brassicicola in vitro. Seven chemical fungicides wer...

Open access Research Article 10.9734/ijpss/2024/v36i125180

Impact of Cultural Practices and Nitrogenous Fertilizer on the Development of Brown Spot Disease of Rice

Sanjeev Kumar, Amita Kiran & Devendra Mandal · Journal of Advances in Biology & Biotechnology · 2024

Among the diseases the brown spot disease of rice caused by Bipolaris oryzae is most dominant fungal disease of rice after blast (Pyricularia oryzae) which is causing losses in the yield which resulted in instability in rice production particularly in north Bihar. This disease wa...

Open access Research Article 10.9734/jabb/2024/v27i6941

Effect of Different Levels of Potassium on Yield and Economics of Kharif Maize (Zea mays L.)

Mohd. Zakir Hussain, Ashok Kumar Kumar, Devendra Mandal, Rajeev Singh & R. K. Sohane · Current Journal of Applied Science and Technology · 2020

A field experiment was conducted during Kharif season at Crop Research Farm of Tirhut College of Agriculture, Dholi in 2017 to observe the effect of different levels of potassium on yield and economics of Kharif maize. The experiment was laid out in Randomized block design with f...

Open access Research Article 10.9734/cjast/2020/v39i230505

Acute Toxicity and Behavioural Responses of Clarias batrachus to Herbicide Herboclin: A Bioassay Approach

Amita Kiran, A. K. Jha, Sanjeev Kumar & Devendra Mandal · Journal of Advances in Biology & Biotechnology · 2025

This study investigates the acute toxicity and behavioural responses of the herbicide Herboclin to the freshwater fish Clarias batrachus (Linn). The fish were exposed to various concentrations of Herboclin for 24, 48, 72, and 96 hours to determine the lethal concentration (LC₅₀)...

Open access Research Article 10.9734/jabb/2025/v28i52306

Response of Drought Tolerant Rice (Oryza sativa L.) Varieties under Various Methods of Establishment in Drought-prone Condition of Bihar

Rajeev Singh, Ravi Ranjan Kumar, Nityanand ., R. K. Sohane, Anjani Kumar Singh, R. N. Singh & Devendra Mandal · Current Journal of Applied Science and Technology · 2019

A field experiment was conducted at Krishi Vigyan Kendra, Aurangabad and in farmers’ field during rainy seasons of 2013, 2014 and 2015, to Performance of drought tolerant rice varieties under various methods of stand establishment in rainfed drought-prone condition of Bihar. Expe...

Open access Research Article 10.9734/cjast/2019/v37i630334