Ravi Shanker

Virulence of Native Isolates of Metarhizium anisopliae (Metschnikoff) against Helicoverpa armigera (Lepidoptera: Noctuidae) in Western Uttar Pradesh, India

Ravi Shanker, Rajendra Singh, Malayaj R. Prajapati, Reetesh Pratap Singh, Aditya Patel & Omkar Singh · International Journal of Environment and Climate Change · 2023

The Chickpea pod borer, Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae), is a destructive pest of chickpeas that has proven difficult to control using conventional methods. We isolate and evaluate the virulence of five isolates of M. anisopliae against larvae of H. armiger...

Open access Research Article 10.9734/ijecc/2023/v13i113217

On-Farm Study on the Efficacy of Weed Management Treatments on Wheat under Irrigated Agro-Ecosystem of Jharkhand, India

Amitesh Kumar Singh, Ravi Shanker, Rakesh Kumar, Nikhil Kumar Singh, Amit Kumar Singh & Narendra Raghubanshi · International Journal of Environment and Climate Change · 2023

An on-farm trial was conducted during rabi (winter) seasons of 2019-20 and 2020-21 at the farmers’ field. To test the OFT on weed management technology in wheat developed by the Bihar Agricultural University, Sabour, Bhagalpur. The efficacy of post-emergence application (PoE) of...

Open access Research Article 10.9734/ijecc/2023/v13i92305

Influence of Prevailing Weather Parameters on Population of Fruit Borer, Helicoverpa armigera (Hubner) on Tomato in Western Uttar Pradesh

Reetesh Pratap Singh, Rajendra Singh, Bhupendra Singh, Dhruv Singh, Chandra Kant & Ravi Shanker · Journal of Experimental Agriculture International · 2024

A field experiment was conducted for two years (2021-22 and 2022-23) at Crop Research Center, College of Agriculture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, to ascertain the influence of various meteorological parameters on population fluctuati...

Open access Research Article 10.9734/jeai/2024/v46i52358