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Seller's Description:
Very Good. No Jacket. Ex-Library. 8vo-over 7¾"-9¾" tall. A hint of edge and shelf wear, ex-library with the usual library markings (if not for the library markings this copy would be graded in near fine condition), no dj, overall a nice used first edition! Very very rare and hard-to-find title! Gray cloth with green lettering and illustration on the front board and green lettering on the spine. 362 informative and educational pages nicely enhanced by black and white photographs and illustrations! Extremely scarce and out-of-print first edition! "Until 1967 plant mycoplasma diseases were considered, without exception, to be virus diseases. Plant pathologists and forest pathologists did not even suspect mycoplasmas as causal agents of diseases of trees and shrubs. Witches' broom and plant yellows diseases characterized by yellowing of leaves without mosaic, greening of petals, phyllody of floral organs, proliferation of axillary buds, breaking of dormancy, seed sterility, or a combination of these symptoms were grouped together as yellows-type virus diseases. All attempts to transmit the presumptive causative viruses to plants by mechanical inoculation of extracts from diseased to healthy plants failed, however......"-----from the Preface.
