Colombia: Chili aphids would be controlled with insect shelter plants

Published 2021년 8월 6일

Tridge summary

A study by the Palmira National University of Colombia has found that planting refuge plants to preserve wasps, hoverflies, flower flies, and ladybugs can help control aphids in chili pepper production, a key pest that can cause up to 100% loss. The research involved visiting 70 hectares of different pepper crops and interviewing farmers, and found that the presence of non-cultivated plants to feed natural enemies of aphids resulted in lower aphid populations. The team sampled aphids, their natural enemies, and their host plants to understand the food webs that suppress aphids, and found that higher aphid populations were found in farms with simple landscapes and no natural enemy plants.

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Original content

A study by the Palmira National University of Colombia revealed that refuge plants to preserve wasps, hoverflies, flower flies and ladybugs, enemies of aphids or aphids, would be a sustainable alternative to control these insects in chili pepper production. According to the agroforestry engineer Clara Inés Melo Cerón, candidate for a doctorate in Agroecology at UNAL, aphids are considered one of the main enemies of chili peppers, since they transmit phytopathogenic viruses (infection or disease) that affect production of chili. Aphids can cause two types of damage: one, that they suck the sap from the plant tissues, especially leaves, producing symptoms in it, and the other, that they transmit the virus to the rest of the crop, reducing its development and quality. so it can cause losses of up to 100% of production. According to the researcher, farmers resort to the use of chemical synthesis pesticides to take care of the fields, so the research team inquired about the use of ...

Source: Redagricola