Google – AFP, 16 April 2013
A farmer
plows his rice paddy in Tayabas in Quezon Province south of
Manila on November
15, 2012 (AFP/File, Jay Directo)
|
MANILA —
Scientists have successfully bred a rice variety that is salt-tolerant, which
could enable farmers to reclaim coastal areas rendered useless by sea water, a
Philippine-based institute said Tuesday.
The
International Rice Research Institute (IRRI) near Manila said its researchers
are in the process of perfecting the variety of rice that would be the most
salt-tolerant ever developed before field testing it widely.
"They
hope to have the new variety available to farmers to grow within four to five
years," the institute said in a statement.
IRRI's
media office said the new variety would offer twice the salt-tolerance as
previous attempts to breed such a variety.
India and
Bangladesh could potentially be the biggest beneficiaries, the IRRI said,
remarking that about 20 million hectares (49 million acres) of rice farms
worldwide have been affected by salinity.
The new
variety was bred by crossing an exotic wild rice species found in brackish
water with one cultivated at the institute.
The result
is a "new rice line that can expel salt it takes from the soil into the
air through salt glands it has on its leaves", the statement said.
"This
will make saline stricken rice farms in coastal areas usable to farmers,"
said lead scientist Kshirod Jena.
"These
farmlands are usually abandoned by coastal farmers because the encroaching
seawater has rendered the soil useless."
Incidents
such as the 2011 tsunami in Japan which flooded thousands of hectares of rice
farms with sea water have spurred the development around the world of new
varieties of rice that can grow in such areas.
Rice is
considered one of three major domesticated crops that feed the world, along
with wheat and corn, and scientists have been continuously looking to develop
new varieties to increase production.
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