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Economic impact of plant diseases Factors leading to epiphytotics small to large galls in roots. Art ( 1957 ) , the only complete book ... Diseases of Plants All species of plants , wild and cultivated alike , are subject to disease .
infected plants , such as geraniums , may be masked at high temperatures . ... two virus strains , chemically distinct , may produce indistinguishable symptoms in one orchid plant but strikingly different symptoms in another .
cultivated plants were made by the Soviet biogeographer N.I. Vavilov . His works , coupled with later archaeological findings , indicate the main areas of domestication and the formation of primary plant - breeding cultures .
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review