Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . a. h FIG. Yield of unsprayed plot; 6, of sprayed plot. treated vines vielded marketable tubers the rate oftwo hundred and ninety-one bushels per acre, whilethose untreated yielded only at the rate of ninety-nineand one-half bushels per acre. As a general rule, the. first application of Bordeauxmixture may be made when the vines are about one-thirdgrown, or earlier if signs of disease api:>ear. Repeat theapplication when it is washed off—in abou
Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . a. h FIG. Yield of unsprayed plot; 6, of sprayed plot. treated vines vielded marketable tubers the rate oftwo hundred and ninety-one bushels per acre, whilethose untreated yielded only at the rate of ninety-nineand one-half bushels per acre. As a general rule, the. first application of Bordeauxmixture may be made when the vines are about one-thirdgrown, or earlier if signs of disease api:>ear. Repeat theapplication when it is washed off—in about a fortnight 168 FUXGE AXD FUXGICIDES usually. Add half a pound of London purple or Parisgreen to each barrel of the mixture whenever the Col-orado beetles threaten injury. The Potato Scab Oosjjora scabies The ^^scab of potatoes is familiar to every experi-enced farmer. Like the pear bli^G^ht, the theories con-cerning its cause have been many and varied ; but therecent investigations of Messrs. Thaxter and Bolley haveestablished, with considerable certainty, that the injuryis reallv due to the attacks of a low form of funo;us life,w
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpathoge, bookyear1896
