Salt-affected soil is a major problem and has led to large areas
of
the earth's surface being unable to support
agriculture. Wheat is not tolerant to high levels of salt; however, a number
of
its wild relatives, in particular
Thinopyrum bessarabicum Savul. and Rayss, which grows on the Black
Sea
shore in the Crimea, are tolerant to high
levels of NaCl. Thus the introgression of genes conferring salt tolerance
from
Th. bessarabicum into Triticum
aestivum is one way in which salt-tolerant wheat varieties can be
produced.
This paper reviews the progress made
in developing salt-tolerant wheat carrying Th. bessarabicum
genes and salt-tolerant wheat/Th. bessarabicum amphiploids.