Biological warfare (1) | ![]() |
Chemical warfare (12) | ![]() |
Warfare (25) | ![]() |
which have chemical defenses against herbivory. So when elk hang around in the canyons all year it s harder for young saplings of these deciduous trees to grow large enough to then produce their own seedlings.
Worse still only nine out of 56 comparisons showed that chemical defences were higher in tropical plants than in temperate ones.
The USDA and the agrochemical industry are looking into the use of the natural chemical defences of plants and microbes to control weeds.
Without the benefit of human institutions that guarantee property rights or a just division of goods they enforce their rights through chemical warfare.
The study published in Journal of Cereal Science by MTTÂ's senior research scientist Juha-Matti Pihlava shows that the diversity of chemical defense compounds typical to barley namely hordatines
Grasses and crops such as maize attach sugars to chemical defenses called benzoxazinoids to protect themselves from being poisoned by their own protective agents.
which are found in everything from industrial pesticides to the sarin gas used in chemical warfare.
whether through exposure to pesticide or an intentional chemical warfare attack explained Montclare. We've known that phosphotriesterases had the power to detoxify these nerve agents
We are studying the wild ancestor of maize (teosinte) to find out which other chemical defenses may have been lost during domestication of maize Dr Turlings added.
But this is an easy and safe way of buying the plants time until their own chemical defense mechanisms kick in.
what is surely the most aggressive chemical defence system in nature. When threatened the bombardier beetle releases a caustic spray accompanied by a popping sound.
and developed a chemical defence mechanism designed to prevent vandalism--a self-defending surface composed of several sandwich-like layers of plastic.
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