Vector control refers to strategies that reduce or eliminate organisms—such as insects and other arthropods—that transmit plant pathogens from host to host. In plant science, managing these vectors is critical because many devastating viral and bacterial diseases spread through insect feeding activity rather than direct contact or soil transmission. Effective vector control helps protect crop yields and limit the spread of plant diseases across agricultural systems.
A fast-spreading plant virus called Tomato leaf curl Palampur virus (ToLCPalV), transmitted by whiteflies, is devastating tomato and cucurbit crops across South Asia and the Middle East, causing leaf curling, stunted growth, flower abortion, and in severe cases total crop failure. This first comprehensive review synthesizes what is known about the virus and evaluates control strategies including CRISPR and RNA-based approaches.
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ToLCPalV has expanded its host range well beyond tomatoes to include cucumbers, legumes, and other unrelated crops, demonstrating broad ecological versatility and transboundary spread potential.
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Flower abortion is among the most damaging symptoms, contributing to drastic yield losses and occasional total crop failure across affected farms.
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This review is the first comprehensive overview of ToLCPalV, consolidating scattered research on its genomic structure, epidemiology, and management options including RNAi, CRISPR, and Ty-gene-mediated resistance.
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