. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. ROOT CROPS. 71 Prevention.—(1) As "the caterpillars are found in swarms, drawing bushes over the plants disturbs and dis- tributes them ; Then throw lime or lime and soot over the plants—this " will do something towards ; (2) " A thick sowing of good seed will gene- rally be found to have insured sufficient plants for a ;. Fig. 30.—SuKFAOE FuNons or Turnips (Oidium Balsamii). B C. Lower and upper surfaces respectively
. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. ROOT CROPS. 71 Prevention.—(1) As "the caterpillars are found in swarms, drawing bushes over the plants disturbs and dis- tributes them ; Then throw lime or lime and soot over the plants—this " will do something towards ; (2) " A thick sowing of good seed will gene- rally be found to have insured sufficient plants for a ;. Fig. 30.—SuKFAOE FuNons or Turnips (Oidium Balsamii). B C. Lower and upper surfaces respectively of a turnip leaf. A D. Mycelia (spawn) on both surfaces. E. Stomata. F. Conidia (spores), x 195* (3) Watering the plants (by means of a water-cart) is beneficial to the crops and prejudicial to the insects. The Surface Mould of Turnips {Oidium Bal- samii, Fig. 30) is a fungus which attacks turnips (especi-. 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 Griffiths, A. B. (Arthur Bower), 1859-. London : G. Bell
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Keywords: ., bookauthorgriffith, bookcentury1800, bookdecade1890, bookyear1890
