Summary
Cereals are the world's major source of food for human nutrition Among these, rice (Oryza sativa) is the most prominent and represents the staple diet for more than two-fifths (24 billion) of the world's population, making it the most important food crop of the developing world (Anon, 2000a) Rice production in vast stretches of coastal areas is hampered due to high soil salinity This is because rice is a glycophyte and it does not grow well under saline conditions In order to increase rice production in these areas there is a need to develop rice varieties suited to saline environments Research has shown that Porteresia coarctata, a highly salt tolerant wild relative of rice growing in estuarine soils, is an important material for transferring salt tolerant characteristics to rice It is quite possible that Porteresia may be used as a parent for evolving better and truly salt resistant varieties The inadequate results and the difficulties associated with conventional breeding techniques necessitate the use of the tools of crop biotechnology in unravelling some of the characteristics of Porteresia that have been highlighted in this report In view of the limited resources available for increasing salinity tolerance to the breeders to wild rice germplasm, Porteresia is undoubtedly one of the key source species for elevating salinity tolerance in cultivated rice

Approaches to breeding for salinity tolerance - a case study on Porteresia coarctata

Porteresia coarctata (Roxb.) - the Saline Resistant Wild-rice Variety - its Role in Socio-economic Development of Sundarbans Region of West Bengal

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Porteresia coarctata (Roxb.) - the Saline Resistant Wild-rice Variety - its Role in Socio-economic Development of Sundarbans Region of West Bengal