Tuesday, June 27, 2017
Biopesticides and the benefits in agribusiness.
Biopesticides and the benefits in agribusiness. Greenhouse growers are using biopesticides in conjunction with commercially purchased natural enemies as a part of their integrated pest management (IPM) programs. Biopesticides are pesticides derived from natural materials, including animals, plants, fungi and microbes. The Biopesticides and Pollution Prevention Division of the Environmental Protection Agency, which registers biopesticides in the U.S., classifies biopesticides into three categories: biochemical, microbials and plant-incorporated protectants. Biopesticides offer numerous advantages to growers, including lower risk to employees, minimal (or no) re-entry and pre-harvest intervals, and compatibility with biocontrol programs thus promoting agribusiness. Biochemicals are derived from naturally occurring substances such as plant extracts. This includes insect repellants, insect attractants and repellants, pheromones, and non-pest management class—plant growth regulators. Examples 1 )Azadirachtin (broad-spectrum insecticide). 2) Capsaicin (compound from chili peppers) (broad-spectrum insecticide, nematicide and fungicide). 3) Clove, rosemary and peppermint oil (broad-spectrum fungicide). Microbials are products containing micro-organisms or their fermentation by-products. Examples 1)The bacterium Bacillus thuringiensis for use against caterpillars. 2)The fungus Beauveria bassiana for use against whiteflies, aphids and thrips. Plant-incorporated protectants are pesticidal substances produced by plants as a result of genetic manipulation. There are no plant-incorporated protectant compounds registered for use in greenhouses. source.