Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 526 DISEASES OF CULTIVATED PLANTS only be infected during the seedling, or quite early period of growth, hence, if seed-beds for the various kinds of cabbage are properly limed, the plants will grow up free from disease. Fig lyj.—Plasmodiophora brassicae. i, young turnip showing early stage of disease ; 2, cabbage showing clubbed root; 3, two infected cells from root of cabbage, one con- taining plasniodium, tlie other crowded with minute spores of the parasite ; 4, three myx
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 526 DISEASES OF CULTIVATED PLANTS only be infected during the seedling, or quite early period of growth, hence, if seed-beds for the various kinds of cabbage are properly limed, the plants will grow up free from disease. Fig lyj.—Plasmodiophora brassicae. i, young turnip showing early stage of disease ; 2, cabbage showing clubbed root; 3, two infected cells from root of cabbage, one con- taining plasniodium, tlie other crowded with minute spores of the parasite ; 4, three myxamoebae or motile bodies pro- duced by the spores on germination. Figs. 3 and 4 highly mag. It will be impossible to stamp out the disease unless proper precautions are taken. In the case of cabbages grown in
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