Publications by authors named "K S Shankarappa"

Unlabelled: Begomoviruses, member of the family, are responsible for significant economic losses in crops worldwide. Chilli leaf curl India virus (ChiLCINV) is a well-known begomovirus that causes leaf curl disease, primarily affecting plants in the family. In this study, sample from a Jamaica cherry () tree showing typical begomovirus symptoms of mosaic and leaf curling was collected from Nagavara village in the Bengaluru Rural district of Karnataka State, India.

View Article and Find Full Text PDF

Unlabelled: The numerous plants of L, and L, well-known weeds with medicinal properties in agriculture and horticulture crops exhibiting severe mosaic, enation and leaf curl symptoms, were collected from the Varanasi and Mirzapur districts of Uttar Pradesh, India. The begomovirus infection in and was validated by PCR using virus-specific primers. The whole genome of the represented isolate of (SN1),  (PM1), and beta satellite was amplified, cloned and sequenced.

View Article and Find Full Text PDF

Unlabelled: Chilli ( L.) is an important vegetable crop grown in the Indian sub-continent and is prone to viral infections under field conditions. During the field survey, leaf samples from chilli plants showing typical symptoms of disease caused by cucumber mosaic virus (CMV) such as mild mosaic, mottling and leaf distortion were collected.

View Article and Find Full Text PDF

Papaya ringspot virus (PRSV) is a significant threat to global papaya cultivation, causing ringspot disease, and it belongs to the species , genus , and family This study aimed to assess the occurrence and severity of papaya ringspot disease (PRSD) in major papaya-growing districts of Karnataka, India, from 2019 to 2021. The incidence of disease in the surveyed districts ranged from 50.5 to 100.

View Article and Find Full Text PDF

Compatibility interactions between the host and the fungal proteins are necessary to successfully establish a disease in plants by fungi or other diseases. Photochemical and antimicrobial substances are generally known to increase plant resilience, which is essential for eradicating fungus infections. Through homology modeling and in silico docking analysis, we assessed 50 phytochemicals from cucumber (), 15 antimicrobial compounds from botanical sources, and six compounds from chemical sources against two proteins of linked to cucumber downy mildew.

View Article and Find Full Text PDF