U.S. DEPT. OF AGRICULTURE. AGRICULTURAL RESEARCH SERVICE. NORTHEASTERN REGIONAL RESEARCH CENTER
Diseases of food legumes caused by pea leaf roll virus in Iran
Various food legumes (pulse crops) are grown in Iran for human consumption and provide an important source of protein in the local diet.
Kaiser, Walter J. · 1970
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Abstract
Virus diseases are a very important factor contributing to the low and erratic yields often obtained from these crops grown in Iran. One of the viruses affecting most food legumes in all major pulse grown regions of Iran is pea leaf roll (PLRV). This virus infects many leguminous crops grown in the country, including all pulse crops, except mungbean. At times PLRV has been a limiting factor in the cultivation of some food legumes in different areas of Iran. PLRV belongs to the group of plant viruses that are transmitted in a circulative (persistent) manner by their aphid vectors. Most aphids which colonize pulse crops in Iran are vectors of PLRV. Aphis vectors require longer feeding periods on an infected host to acquire PLRV, but retain the virus for extended periods, even through the various molts which occur in the development of an aphid. The virus is not transmitted mechanically and is apparently not seed-borne in the leguminous crops which are affected.
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