. The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists . r a period of time sufficient to destroy thepathogen without injury td the host. When the patho-gen hves o
. The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists . r a period of time sufficient to destroy thepathogen without injury td the host. When the patho-gen hves over as mycelium in the seed or tuber, theapplication of heat is sometimes effective. Formalde-hyde, as a gas or in solution in water, is now generallyemployed for the eradication of the smut of oats, thestinking smut of wheat and the potato-scab. (For detailsof method, see Formaldehyde, p. 1028). The sprayingof peach trees withcopp er-sulf ate / /solution, lime-sul-fur solution orbordeaux, just be-fore the buds startin the spring, dis-infects the trees bydestroying thespores of the leaf-curl fungus whichpass the winter onthe buds. Pathogens whichattack the under-ground parts ofplants may some-times be eradicated. by disinfection ofthe soil beforeplanting. Drench-ing the soil with aformaldehyde solu-tion of a strengthsufficient to distrib-ute one gallon ofthe strong 40 percent solution toeach 100 square feetof surface, wettingthe soil to a depthof 6 to 8 inches, hasbeen found to be. 1288. Loose smut of bailey. very effective against damping-off, root-rot and simi-lar diseases in forest tree seed-beds, ginseng seed-bedsand in the benches in greenhouses. It is also ofteneffective in the eradication of nematodes in green-houses. Steaming of the soil is also very effective,destroying insects and weed seeds as well as pathogenicfungi. It is not always conveniently applied. 3. Protection measures are to be employed in thoseregions in which the pathogen is very generally andvery thorou
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Keywords: ., bookcentury1900, bookdecade1910, bookpublis, booksubjectgardening
