. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. 124 DISEASES OF CULTIVATED PLANTS consequent exposure to tropical conditions for so long a period, destroyed the hibernating mycelium ; whereas when a quicker means of transit, due to the replacing of sails by. Fig. 27.—Phytophthora iii/estans. i, a cluster of conidiophores with conidia, emerging through a stoma of the leaf of a potato plant; 2. a free conidium, the contents of which are breaking up into zoospores ; 3. a conidium liberating zoospores ; 4


. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. 124 DISEASES OF CULTIVATED PLANTS consequent exposure to tropical conditions for so long a period, destroyed the hibernating mycelium ; whereas when a quicker means of transit, due to the replacing of sails by. Fig. 27.—Phytophthora iii/estans. i, a cluster of conidiophores with conidia, emerging through a stoma of the leaf of a potato plant; 2. a free conidium, the contents of which are breaking up into zoospores ; 3. a conidium liberating zoospores ; 4. a zoospore that has come to rest and is germinating ; 5. a conidium germinat- ing by the protrusion of a germ tube. All highly mag. steam, became general, the hibernating mycelium present in the tuber survived the voyage. The first indication of the disease is the appearance of small brownish blotches on the leaves; these quickly increase in size, and the leaves curl, and under favourable weather conditions for the fungus both stem and leaves become black. 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