Sentences with phrase «rice blast»
The phrase "rice blast" refers to a disease that affects rice plants. It is caused by a fungus and can harm the rice crop, reducing the yield or even destroying the entire harvest. Full definition
Scientists have found a way to stop the spread of rice blast, a fungus that destroys up to 30 % of the world's rice crop each year.
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The resulting data clearly showed that the microbial cocktail could bolster plant defenses against both arsenic and rice blast disease.
«Blunting rice disease: Natural microbe inhibits rice blast fungus.»
The University of Exeter scientists tested this method in rice blast infections, but found more severe disease symptoms.
IRRI scientists and Chinese partners successfully introduced interplanting of glutinous rice with inbred varieties as a sustainable way to control rice blast in Yunnan province.
We find that the mechanisms driving our unexpected findings when treating rice blast infection are pertinent for many diseases involving bacterial and fungal pathogens»
«Is rust resistance in wheat the same as rice blast resistance?
Marchetti retired from ARS in 2001, leaving behind not only a legacy of excellence in rice breeding and plant pathology, but also a prized collection of 1,000 rice blast specimens he isolated from Texas, Arkansas, and other rice - growing states.
As a plant pathologist with USDA's Agricultural Research Service (ARS) Rice Research Unit in Beaumont, Texas, Toni Marchetti oversaw a new program in 1972 to develop new cultivars that better resisted costly diseases like rice blast.
Recently, the UD team found that when rice plants are subjected to multiple threats — including increasing concentrations of poisonous arsenic in water and soil, an urgent concern in Southeast Asia, plus a fungal disease called rice blast — the plants aren't necessarily goners.
The findings, published in December in Frontiers in Plant Science and in Current Opinion in Plant Biology, may lead to a more effective control for Magnaporthe oryzae, the fungus that causes rice blast disease.
A team lead by Professors Ivana Gudelj, a mathematical biologist and Nick Talbot, a plant disease specialist, investigated the devastating rice blast disease.
These bacteria were then tested in the laboratory, with Pseudomonas chlororaphis EA105 demonstrating the strongest impact on rice blast.
In related research, Bais wants to assess the performance of plants inoculated with EA106 when they face multiple stresses, from both arsenic and from rice blast, a fungus that kills an estimated 30 percent of the world's rice crop each year.
The US anti-crop programme, an intensive operation throughout the 1950s and 60s, had a cache of nearly a tonne of rice blast at the time it was disbanded.
This easy dispersal, coupled with the complexity of breeding resistant plants, make rice blast a potentially dangerous biological weapon.
• Other Systemic Fungicides include a diverse group of products, such as: tricyclazole (Beam) launched in 1975 by Eli Lily / Dow and still widely used for control of rice blast; cymoxanil (Curzate), a downy mildewcide from DuPont; the cereal and fruit fungicide cyprodinil (Vanguard, Unix) from Syngenta; fludioxonil (Saphire, Switch, Maxim) from Syngenta; and quinoxyfen (Fortress, Quintec), a powdery mildewcide from Dow.
«People have been struggling to find targets for controlling rice blast, and now we have one, with abscisic acid.
The research team, led by Harsh Bais, associate professor of plant and soil sciences in UD's College of Agriculture and Natural Resources, has identified a naturally occurring microbe living right in the soil around rice plants — Pseudomonas chlororaphis EA105 — that inhibits the devastating fungus known as rice blast.
«So it's critical to find ways to reduce the impact of rice blast disease, especially as global population is expected to exceed 9 billion by 2050, and the need for more food increases.»
Pseudomonas chlororaphis EA105 can trigger a system - wide defense against the rice blast fungus, which destroys enough rice to feed an estimated 60 million people each year.
Previously, Bais and his research team isolated Pseudomonas chlororaphis EA105, a bacterium that lives in the soil around the roots of rice plants and found that this beneficial microbe can trigger a system - wide defense against the rice blast fungus.
Although abscisic acid may be responsible for virulence in the rice blast fungus, the molecule itself is not a feasible target for fungicides because of its crucial roles in plants, from seed development to its modulating effect during temperature extremes and high salinity, to its well - studied role in drought tolerance.
«The rice blast fungus uses abscisic acid to its own advantage, which is absolutely wild,» Bais says.
The rice blast fungus M. oryzae infects rice plants through a structure called an appressorium.
Bais and his team have shown that when the rice blast fungus invades a rice plant, an increase in abscisic acid occurs.
In studies at the Delaware Biotechnology Institute at UD, Bais and his team treated spores of the rice blast fungus with abscisic acid.
Bais» group previously isolated a natural bacterium from rice paddy soil that blunts the rice blast fungus.
In addition to rice, a distinct population of the rice blast fungus also now threatens wheat production worldwide.
According to Bais, the rice blast fungus (Magnaporthe oryzae) attacks rice plants through spores resembling pressure plugs that penetrate the plant tissue.
Common symptoms of rice blast are telltale diamond shaped - lesions on the plant leaves.
«Rice blast is a relentless killer, a force to be reckoned with, especially as rice is a staple in the daily diet of more than half the world's population — that's over 3 billion people,» Bais notes.
Exploring the Potentiality of Novel Rhizospheric Bacterial Strains against the Rice Blast Fungus Magnaporthe oryzae — Narayanappa Amruta — The Plant Pathology Journal
Two of the main crop diseases identified as potential bio-weapons are wheat stem rust and rice blast.
Those that affect our food sources - wheat smut, rice blast, insect infestations, even foot and mouth - will in turn affect the humans that depend on them.
Rice blast is a fungal disease, in which thousands of spores form on the infected plant.
Rice blast (Pyricularia grisea) is a fungus that feeds on the rice plant, causing severe damage usually during the seedling stage.
The farmers identified stem borer, leaf hopper and folder, rice blast, sheath blight, rhizoctonia rot and rice smut as the major problems afflicting hybrid rice.
The Experimentalist Abakus» Marsha Chun - Matsubara constructs exuberant, oversize costume jewelry with names like Zipper Sushi Brain and Rice Blast.