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Sticky trick: new glue spray kills plant pests without chemicals (www.theguardian.com)

submitted 7 months ago by [email protected] to c/[email protected]

114 comments fedilink hide all child comments

The insect glue, produced from edible oils, was inspired by plants such as sundews that use the strategy to capture their prey. A key advantage of physical pesticides over toxic pesticides is that pests are highly unlikely to evolve resistance, as this would require them to develop much larger and stronger bodies, while bigger beneficial insects, like bees, are not trapped by the drops.

The drops were tested on the western flower thrip, which are known to attack more than 500 species of vegetable, fruit and ornamental crops. More than 60% of the thrips were captured within the two days of the test, and the drops remained sticky for weeks.

Work on the sticky pesticide is continuing, but Dr Thomas Kodger at Wageningen University & Research, in the Netherlands, who is part of the self defence project doing the work, said: “We hope it will have not nearly as disastrous side-effects on the local environment or on accidental poisonings of humans. And the alternatives are much worse, which are potential starvation due to crop loss or the overuse of chemical pesticides, which are a known hazard.”

Link to the study

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[–] [email protected] 2 points 7 months ago

I like what you're saying and I agree with it fundamentally. I wish it is possible to have the majority of crops be direct to consumer. I KNOW everyone is happier when they have a real personal relationship with the products they consume. That's even part of what marketing abuses when it anthropomorphises brands.

I'm personally pessimistic on that front though, I think it can't happen in modern capitalism for two major reasons. Number one, I don't think the majority of the population of Western nations, let alone the world, can tolerate even a moderate increase in food prices without creating massive instability. I know what the "middle men" jack up prices considerably on almost everything, but the staples: wheat and meat in my part of the world, simply cannot be sold cheaper by smaller operations than grocery store prices (in part due to the regulatory capture so prevalent in modern capitalism). Number two, of the people that CAN tolerate the increase, I don't think modern capitalism would allow their profits to be undercut by a significant shift towards small producers selling direct to customers. They have a few tools that I just don't think most people are prepared to live without like comfort and consistency. I can get plums, cauliflower, tomatoes, broccoli ANYTIME OF YEAR at reasonably consistent prices. The idea that people will have to pay more AND change to seasonal eating habits where they just can't get certain things most of the year? I think we're too far into the comfort of bourgeois decadence, excuse my communist language, to tolerate the change.

I will say I have enjoyed this discussion and I certainly agree that I mischaracterised you by initially latching onto a throwaway "ew bugs" comment.