Predatory mite developed for protection against thrip and whitefly infestations

Crop management specialist Syngenta Bioline has developed a new predatory mite - Montyline am - for use in protection against thrip and whitefly attacks on protected ornamentals and edible crops.

Montyline am contains Amblyseius montdorensis mites, which independent research shows will eat up to four times more thrips per day than A. swirskii mites.

The company claimed the fast-colonising and voracious mite could control pests for longer in a wider variety of conditions. Field development manager Dr Richard GreatRex said: "Importantly for growers, A. montdorensis becomes active earlier in the spring and will continue to control pests for longer as temperatures decline in the autumn.

"When Montyline am is introduced into the crop, we very quickly see that the highly mobile mites spread themselves from top to bottom of the plant and this enhanced distribution remains for the duration of the season and provides more effective pest control."

He said A. montdorensis laid more eggs when feeding on pollen or pests, ensuring widespread pest control, while the extended season of control offered would prove beneficial to growers using integrated crop management.

Trials carried out by Syngenta Bioline technical specialist Martin Zuijderwijk found that Montyline am offered 97 per cent control of whitefly in cucumbers and more than 90 per cent reduction in chrysanthemum.

The product is available in a mini-sachet system offering fast and reliable distribution of the mites across a crop or via a Bugline for use in ornamental crops.

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