. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. â e:. 'S«»fefc v.^ Fig. 21.âSync/iytrium solani. i, section through portion of a young potato sprout, showing many of the peripheral cells infected by the zoospores of the fungus. The central cell that is dividing has escaped infection ; 2, section through a portion of a scab, showing mature resting-spores deep down in the tissue and the youngest at the periphery; 3, a young resting-spore not yet enclosed in a thick wall ; 4, 5, and 7, mature resting-s
. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. â e:. 'S«»fefc v.^ Fig. 21.âSync/iytrium solani. i, section through portion of a young potato sprout, showing many of the peripheral cells infected by the zoospores of the fungus. The central cell that is dividing has escaped infection ; 2, section through a portion of a scab, showing mature resting-spores deep down in the tissue and the youngest at the periphery; 3, a young resting-spore not yet enclosed in a thick wall ; 4, 5, and 7, mature resting-spores ; 6, a resting-spore germinat- ing, i-ciliate zoospores escaping. All highly mng. spore, containing the zoospores, was extruded, the zoospores eventually escaping into the water. The epidermal cells are infected by the zoospore, which at first forms a naked mass of protoplasm that gradually increases in size, then becomes invested with a thin, colourless wall, upon which is eventually laid down a thick, brown, smooth, stratified, chitinous Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massee, George, 1850-1917. New York : Macmillan
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
