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Last updated on April 16, 2014 at 17:34 EDT

chemicals Reference Libraries

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Potato Virus Y
2011-02-23 17:36:42

Potato virus Y (PVY) is a plant pathogenic virus of the family Potyviridae. It is one of the most important plant viruses affecting potatoes. Infection results in various symptoms depending on the strain. Production loss is the most mild of the symptoms and "˜potato tuber necrotic ringspot disease' is the worst. Ringspot renders potatoes unmarketable and can therefore result in a major...

Ant
2005-09-12 10:19:57

The ants, one of the most successful groups of insects, are of particular interest because they form advanced colonies, and can constitute up to 15 percent of the total animal biomass of a tropical rainforest. They belong to the order Hymenoptera and are close relatives of the vespoid wasps. Ants appear in amber, found in central New Jersey, believed to be from the Cretaceous period. It is...

Firefly
2005-09-08 12:01:05

Fireflies, also known as lightning bugs, are nocturnal, luminous beetles of the family Lampyridae. These names come from the fact that some species as adults emit flashes of light to attract mates, using special light-emitting organs in the abdomen. The enzyme luciferase acts on luciferin to stimulate light emission. This reaction is of scientific interest, and genes coding for these substances...