M. R. Govindappa

Epidemiology of Necrosis Virus Disease of Cotton Caused by Tobacco Streak Virus

G. Basavaraja, M. R. Govindappa, Aswathanarayana, D. S, Palaiah, P, J. M. Nidagundi, Manjunatha, N & Anandkumar, V · International Journal of Environment and Climate Change · 2025

Cotton (Gossypium spp. L.), a vital natural fibre and cash crop, significantly contributes to India’s economy but it is increasingly threatened by tobacco streak virus (TSV)-induced necrosis, a major emerging viral disease in southern India. The present study on the Epidemiology...

Open access Research Article 10.9734/ijecc/2025/v15i115105

Correlation of Weather Variables on Emergence of a Virus Disease Bud Necrosis Disease of Greengram Incited by Soybean Yellow Mottle Mosaic Virus at Raichur, Karnataka

Afreen Begum, D. S. Aswathanarayana, S. T. Yenjerappa, M. R. Govindappa & A. G. Sreenivas · International Journal of Environment and Climate Change · 2023

Greengram [(Vigna radiata (L.) Wilczek] is the important pulse crop after chickpea and pigeonpea cultivated in India which is called as “Queen of pulses”, the crop is proned to be infected by many fungal and bacterial diseases. In recent years emergence of a virus disease bud nec...

Open access Research Article 10.9734/ijecc/2023/v13i82059

Genetic Spectrum of Variation and Diversity for Yield and Yield Attributing Traits in Mutagenized Population of Sorghum (Sorghum bicolor L. Moench)

V. C. Raghavendra, G. Girish, M. B. Ashok, B. V. Tembhurne, L. N. Yogeesh & M. R. Govindappa · International Journal of Environment and Climate Change · 2023

The present study was carried out in Agricultural Research Station, Hagari during rabi 2020, it was undertaken to assess nature of genetic variability and diversity among 200 mutant lines of M4 generation. The study revealed wide variation for yield and yield attributing traits,...

Open access Research Article 10.9734/ijecc/2023/v13i61804