Latest Gall Stories
A new study by biologists at Mercyhurst University focuses on the influence of climate change, particularly warmer winters, on the survival and potential fecundity of cold-blooded animals.
Aphid researchers from Chinese Academy of Sciences found one new species, Aleurodaphis sinojackiae Qiao & Jiang, 2011 from Jiangsu and Zhejiang Provinces, China.
According to findings that have been published in Proceedings of the Royal Society B, an aphid species has "soldiers" who often die in the process of repairing damage to galls, the homes that aphids force their plant to grow.
By DANA WILDE "What's this?" my wife said. She held up a shiny, speckled red ball about the size of an acorn. Me being the amateur naturalist and science fictionist in the house, and everybody else being merely curious, she expected I'd have an answer, or at least a weird guess.
Agrobacterium tumefaciens is the causal agent of crown gall disease (the formation of tumours) in over 140 species of dicot. It is rod shaped. Symptoms are caused by the insertion of a small segment of DNA into the plant cell. It is an alphaproteobacterium of the family Rhizobiaceae which includes the nitrogen fixing legume symbionts. They are pathogenic and provide no benefit to the plant. It also affects a wide variety of plants. In an economical sense it affects walnuts, grape vines,...
- A political dynamiter.