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Tag: "wheat" at biology news

Soils offer new hope as carbon sink

...tivity. "When applied at 10t/ha, the biomass of wheat was tripled and of soybeans was more than doubled," said Dr Van Zwieten. "This percentage increase remained the same when applications of nitrogen fertiliser were added to both the agrichar and the control plots. "For the wheat, agrichar alone ...

Researchers demonstrate way to control tree height

...Green Revolution,” in which plants such as rice or wheat were created that directed less energy to height growth and more to development of stout stems and plentiful seed. In orchards, semi-dwarf fruit trees produce more fruit that is easier to harvest. The improvements in cereal yields have been credited ...

Scientists seek useful traits in wild cottons

...o move to neighboring cotton plants by killing the wheat with herbicide. "This produces massive thrips pressure on the cotton plants, and results in a lot of damage to those first four true seedling leaves," he said. "We measure the leaf damage, identify cottons that show thrips resistance and subje...

Ancient genes used to produce salt-tolerant wheat

Two recently discovered genes from an ancient wheat variety have led to a major advance in breeding ne... patents. "The two genes originally came from a wheat ancestor, Triticum monococcum," says research team leader, CSIRO Plant Industry's Dr Rana Munns. "Th...

Scientists find genes involved in the battle between Hessian flies and wheat

...ntified Hessian fly genes that nullify toxins that wheat produces to protect itself from the munching larva... that basic knowledge to enhance the durability of wheat against Hessian fly attack by combining several genes for resistance or through some other novel str...

Wheat can fatally starve insect predators

A newly identified wheat gene produces proteins that appear to attack the s...hey investigated new, long-term methods to protect wheat from insect damage. "This is a different kind of defense than we were expecting," said Christie W...

Stopping plants from getting sick

...r farmers who are counting on their crops, such as wheat and barley, to survive through the growing season.... in their tracks. He spent his childhood on Oregon wheat farms and witnessed first-hand the damage that fungi can do to crops. He then went to university to ...

New bird, bat species revealed by extensive DNA barcode studies

...t cancer in a new light." After growing up on a wheat and cattle ranch in Oregon, von Borstel was drafted into the U.S. Navy as a seaman first-class in 1944. Following the Second World War, he pursued his university education in the United States and joined Tennessee’s Oak Ridge National Laboratory in 1...

Cancer that colonizes our bodies

...t cancer in a new light." After growing up on a wheat and cattle ranch in Oregon, von Borstel was drafted into the U.S. Navy as a seaman first-class in 1944. Following the Second World War, he pursued his university education in the United States and joined Tennessee’s Oak Ridge National Laboratory in 1...

Does evolution select for faster evolvers?

... animal and plant species ?including humans, mice, wheat and corn ?came from HGT insertions," Deem said. "For example, we can trace the development of the adaptive immune system in humans and other jointed vertebrates to an HGT insertion about 400 million years ago." The new mathematical model developed...

Fake pesticides threaten food safety

...rous insecticide. In 2004, hundreds of hectares of wheat were wiped out in France, Italy and Spain because of a fake herbicide. And a 2002 study of supermarket produce in the UK found traces of eight illegal and potentially dangerous compounds. 'Generally, speaking, it would be wrong to blame farmers [f...

Rearing an army to save wheat

With wheat stem sawfly natural enemies in demand, Montana Sta... involved mass-rearing parasitic wasps that attack wheat stem sawfly larvae that tunnel the interior of developing wheat plants. The team includes entomologi...

Elusive rust resistance genes located

...d the world to breed more effective rust resistant wheat varieties. The genes, Lr34 and Yr18 are inherited together and provide wheat plants with improved protection against leaf rust and stripe rust ?two major diseases of wheat in Au...

A green way to slag off bunnies

...blem could be eliminated simply by dusting slag on wheat fields, reports Tom Hopkinson in Chemistry & I...al Science Laboratory showed that applying slag to wheat growing in greenhouses had no effect on yield, but caused the plants to incorporate the silica and e...

Wheat gene may boost foods' nutrient content

...ty of Haifa in Israel have cloned a gene from wild wheat that increases the protein, zinc and iron content ...micronutrients," said Professor Jorge Dubcovsky, a wheat breeder and leader of this research group. He noted that the World Health Organization estimates tha...

Parasitic plants sniff out hosts

... variety of plants. They even found attraction to wheat plants, a poor host on which the dodder seedlings ...researchers offered the seedlings a choice between wheat and tomato plants, the tomato won out, indicating that the parasites have some way of deciding betwe...

Tamed 11,400 years ago, figs were likely first domesticated crop

...ed in the growing of wild crops such as barley and wheat marked a dramatic change from 2.5 million years of human history as mobile hunter-gatherers." The researchers found nine small figs and 313 fig drupelets (a small part of an aggregate fruit such as a fig) at Gilgal I, a village in the Lower Jordan V...

More than drought affecting wheat yields

...and plant disease diagnostician, saw more than 150 wheat samples sent to the Great Plains Diagnostic Networ...e percent of these samples were diagnosed with the wheat streak mosaic virus. In addition, 50 percent of the samples contained maize red stripe virus, more c...

Biofuels researcher searches for new sources

...fuel." "Montana farms produce 10 million tons of wheat and barley straw that are typically left in the field. An additional five million tons of hay are produced annually," said Dave Wichman, superintendent of the Central Ag Research Center "The advantage of using annual farm crops for ethanol production...

Food-crop yields in future greenhouse-gas conditions lower than expected

...than currently assumed for C3 crops, such as rice, wheat and soybeans, and possibly little or no stimulatio... projections for maize, rice, sorghum, soybean and wheat ?the world's most important crops in terms of global grain production.By 2050 carbon dioxide levels ...

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