. Plant propagation : greenhouse and nursery practice . Plant propagation. 52 i'LANT 1'KO1'A(.:AT10i\ Tliiekivia basicoht ;iii(l L'liuiiiu bclicola. J'.y ; with soil infested with Pytliium ilcbtirytiiiiiiii. licating to 130 to 212 dej^rees and treating with 20 to oO i)cr cent solutions of formaUn and various quantities of carhon liisulpliidc, he found that Canielina, a plant very susceptible to attacks of this fungus made good growths, the action of this fungus being reduced even to nothing. 79- Damping-off seedlings in plant beds, according to the Minne- sota station, is comm
. Plant propagation : greenhouse and nursery practice . Plant propagation. 52 i'LANT 1'KO1'A(.:AT10i\ Tliiekivia basicoht ;iii(l L'liuiiiu bclicola. J'.y ; with soil infested with Pytliium ilcbtirytiiiiiiii. licating to 130 to 212 dej^rees and treating with 20 to oO i)cr cent solutions of formaUn and various quantities of carhon liisulpliidc, he found that Canielina, a plant very susceptible to attacks of this fungus made good growths, the action of this fungus being reduced even to nothing. 79- Damping-off seedlings in plant beds, according to the Minne- sota station, is commonly caused by Pythium debaryanum or Rhizoc- tonia. These attack a large variety of plants as well as live upon dead organic matter in the soil. Very little can be done to check- the disease when such conditions prevail. Therefore methods which kill fungi are needed to prevent the disease. The preventive methods must be applied before sowing the seed, otherwise the seed will be killed FIG. 43—WORK IN THE CUTTING BENCH 1. Opening a furrow with a wooden label. 2. FIrmino the cuttings sand, side view. ?>. End view. 4. Removing rooted cuttings for potting. Chemical agents have been tested as fungicides against damping- off, but of these formalin alone has proved of value. Treatment of the soil with formalin (one part fonnalin to 100 of water and lesser strengths), as frequently recommended, does not kill the fungus. Although it may check the disease for some time it will allow damp- ing-oflf to develop later if weather conditions permit. The value of formalin at these strengths, therefore, depends largely on the time weather conditions favorable to damping-off 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 Kains, M. G. (Maurice Grenville), 1868-1946. New York : Orange Judd Company
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjectplantpropagation
