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CULTIVAR RESISTANT FOR LATE BLIGHT OF POTATO

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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CULTIVAR RESISTANT FOR LATE BLIGHT OF POTATO

Postby pushi » Fri Oct 07, 2011 8:08 pm

phytophthora infestans is having many races,if we develop an race specific resistant(qualitative/vertical) cultivar ,that may become susceptible for same race in shorter period.so we have to develop a cultivar with quantitative/horizontal resistance ,this resistance is governed by many genes and it is durable resistance but it wont give complete resistance,for screening general resistance we need R gene free cultivar,and it should be resistant against new race US-8...SO PLEASE SUGGEST WHICH IS WIDELY USED CULTIVAR FOR BREEDING PROGRAMMS , RESISTANT TO US-8 AND HAVE HIGH QUANTITATIVE/DURABLE/FIELD RESISTANCE.........
pushi
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