Dictionary » P » Pesticides



chemicals used to destroy pests of any sort. The concept includes fungicides (fungicides, industrial), insecticide, rodenticides, etc.

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Flowers' selective pressure on plant-eating insects

... selective pressures on insect evolution away from insects eating plants? So, there is always an arms race between plant and herbivorous insects (pesticides vs resistance), but the evolution of a free food source removes some of the selective pressure on insects to win the arms race and allows ...

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by expuddle
Tue Jul 09, 2013 10:58 am
Forum: Evolution
Topic: Flowers' selective pressure on plant-eating insects
Replies: 2
Views: 2105

Evolution of fireflies

I grew up in Illinois and we used to have tons of fireflies at night. Now, with all of the pesticides being used, there are none. Nor are there many nighthawks or whip-or-wills. It's very disappointing.... Anyway, it is common for people to look at the end product and ...

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by thoffnagle
Thu Jun 06, 2013 9:44 pm
Forum: Evolution
Topic: Evolution of fireflies
Replies: 4
Views: 1795

Gene knockdown in insect pests?

... gene knockdown in insect pests is being developed so that the populations can be controlled (by silencing genes which are linked to resistance of pesticides). I was wondering how this worked as the gene knockdown is only temporary. Thanks!

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by kabs123
Sun Sep 02, 2012 2:17 pm
Forum: Genetics
Topic: Gene knockdown in insect pests?
Replies: 1
Views: 1324

Re: Help please

... sorry 1b identical plants produced are much more predictable than normal plants, so their yields are more reliable Plants that are resistant to pesticides can be reproduced more efficiently

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by Olympic
Wed Aug 01, 2012 8:53 pm
Forum: General Discussion
Topic: Help please
Replies: 8
Views: 6560

Help me grow my veggies

Pull them by hand!!! Weeding is a necessary part of life if you want to garden. If you use pesticides you're just creating more problems for yourself. You're always going to have plants trying to grow where ever there is bare soil...thats just a fact of life. Honestly, ...

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by OdinsRaven
Wed Jun 06, 2012 4:36 pm
Forum: Botany Discussion
Topic: Help me grow my veggies
Replies: 2
Views: 1496
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