News tagged with host plants
Can indigenous insects be used against the light brown apple moth?
The light brown apple moth (LBAM), Epiphyas postvittana (Walker), an invasive insect from Australia, was found in California in 2006. The LBAM feeds on apples, pears, stonefruits, citrus, grapes, berries and many other plants ...
Feb 09, 2012 |
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Bacterial plasmids -- the freeloading and the heavy-lifters -- balance the high price of disease
Studying self-replicating genetic units, called plasmids, found in one of the world's widest-ranging pathogenic soil bacteria -- the crown-gall-disease-causing microorganism Agrobacterium tumefaciens -- Ind ...
Feb 01, 2012 |
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Researchers learn how pathogen causes speck disease
(PhysOrg.com) -- Researchers have discovered how the structure of a protein allows a certain bacteria to interfere with the tomato plant's immune system, causing bacterial speck disease.
Dec 15, 2011 |
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Medicago genome sequence sheds new light on how plants evolved nitrogen-fixing symbioses
The genome of Medicago, a close relative of alfalfa and a long-established model for the study of legume biology, has been sequenced by an international team of scientists, capturing around 94 per cent of its ...
Nov 16, 2011 |
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Butterfly legs 'taste' plants for egg laying: study
A species of butterfly uses its legs to taste plants to see which leaves offer its eggs the best chance of survival, Japanese scientists said Wednesday.
Nov 16, 2011 |
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A new species of gall makers in the aphid genus of plant lice was found in China
Aphid researchers from Chinese Academy of Sciences found one new species, Aleurodaphis sinojackiae Qiao & Jiang, 2011 from Jiangsu and Zhejiang Provinces, China. It forms leaf galls on Jack trees (Sinojackia x ...
Nov 01, 2011 |
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Insect gut microbe with a molecular iron reservoir
Microbes are omnipresent on earth. They are found as free-living microorganisms as well as in communities with other higher organisms. Thanks to modern biological techniques we are now able to address the ...
Sep 01, 2011 |
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Targeting toxin trafficking
Toxins produced by plants and bacteria pose a significant threat to humans, as emphasized by the recent effects of cucumber-borne Shiga toxin in Germany. Now, new research published on July 21st by the Cell Press journal ...
Jul 21, 2011 |
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Asian 'megapest' is chomping up US orchards
A stink bug from Asia is chomping up US vegetable fields, orchards and vineyards, causing experts to scramble through an arsenal of weapons to try and halt this stealthy, smelly predator.
Jun 28, 2011 |
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How ants tame the wilderness: Rainforest species use chemicals to identify which plants to prune
Survival in the depths of the tropical rainforest not only depends on a species' ability to defend itself, but can be reliant on the type of cooperation researchers discovered between ants and tropical trees. ...
May 12, 2011 |
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Scientists sequence genomes of two major threats to American food and fuel
An international team of researchers co-led by a University of Minnesota scientist has sequenced the genomes of two fungal pathogens -- one that threatens global wheat supplies and another that limits production of a tree ...
May 05, 2011 |
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Instant evolution in whiteflies: Just add bacteria
In just six years, bacteria in the genus Rickettsia spread through a population of the sweet potato whitefly (Bemisia tabaci), an invasive pest of global importance. Infected insects lay more eggs, develo ...
Apr 07, 2011 |
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Identity theft by aphids
Collaborative research at the University of Guam has people asking: "What IS a species" and entomologists wondering about the relationship between an insect species and the host plant or plants it feeds on.
Jan 19, 2011 |
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Evolutionary arms race between smut fungi and maize plants
Fungi are a major cause of plant diseases and are responsible for large-scale harvest failure in crops like maize and other cereals all over the world. Together with scientists from the Helmholtz Zentrum in ...
Dec 09, 2010 |
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Scientists study essential oils to attract asian citrus psyllid
(PhysOrg.com) -- Chemicals emitted by citrus plants and their relatives that attract Asian citrus psyllids are being tested by U.S. Department of Agriculture (USDA) scientists and their cooperators, and could ...
Dec 08, 2010 |
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