Of NCAR scientists discovered that plants in a forest respond to stress by producing nuts in significant amounts to a form of aspirin.
Unlike humans, who are advised to take aspirin to decrease a temperature, plants and their ability to produce their own aspirin, leading to the formation of proteins that stimulate the biochemical defense system, says Thomas Karl, NCAR, which led study.
Our measurements show that significant amounts of chemicals can be detected in the atmosphere of the plant response to drought, inadequate temperatures, etc..
NCAR scientists found methyl salicylate in error. Special instruments were placed in a forest near Davis, California, to monitor volatile compounds of some plants. They are important because they can combine with industrial pollution emulsions, and can influence local climate.
When revised measurements found that levels of methyl salicylate rose dramatically when the plants have gone through a period of drought. Instruments mounted on towers about 30 m above the ground measured up to 0,025 mg of methyl salicylate, which increases to 0.09 m2 of forest every hour.
Methyl salicylate has two functions, one of which is to stimulate the plant defense system also may be a mechanism to communicate to neighboring plants, warning of danger.
Christmas tree, legend and history.
Christmas is close and each of us has already chosen a beautiful and richly tree to impodobii, because it is tradition or because we want to feel more Christmas atmosphere. What is really Christmas tree ...? We gathered a few lines from various books about Christmas and imparatasesc them with you.
Poisonous plants, indoor and outdoor
Edelweiss - Leontopodium alpinum
Delicate flower corner is the legend that tell mountain people.
A young woman from the valley married with a mountain lover, like all the girls in the village, who knew and loved with all his heart the mountain. Coming out often for tips glaciers, jnepeni to collect fruits, very aromatic herb that liqueur served in making the Mountain Pine, and we go and hunt marmots, for their fur which then sold to tourists.
Daffodil bulbs and snowdrops against Alzheimer's disease
A Bulgarian researcher found that bulbs of snowdrops population used to treat headaches. After several trials, isolated from bulbs of snowdrops picked alcaloizii and found an ingredient called acitv galantamine.
Types of forests
Classification depends mainly forests position, distance from equator, altitude and climate.
Tropical forests - all year round temperatures are high and precipitation. Tropical moist forests are found near the equator. In tropical forests there is a season of drought. Most trees have crown umbeliforma.