OCR Text |
Show Fungous Diseases llust In onions blight In celery club root In cabbage und caullllowet rust on beans tomato rot as well ob various vari-ous other bllghu and mildews ate fungous fun-gous ellsenws As we have no Infallible remed) for lluse dlsensrs the onlj safet) for the gjidner lies In prevention 111 means uf pievention usually recommended Is i rotutlon of eiops This Is of tin Im-possible, Im-possible, for mirket gardeners for th following leasons 1 Because man) make a specialty of ertaln crops One raises onions an-ither an-ither coler) another cabbage umlcju nil wem et. h hnl i- Inch prlc l I v rann i an I r Ii 11 i ! n i line ii m a. r I v i t ii mr l ii ii i it " r i u I l vr u flr iar The soil will produ " 'hose crops p ofltably e,c h succeeding year ir supplied bj re rtlllz rs with th clemcrts taken from It bv those ciops 2 Again the markit gardener often raises two or three different crops on the same land during the season It Is often Impracticable to do this without with-out planting crops which are subject to the same diseases that last season s crops were subject to The question arises Is there not n surer and more I radical vva to prevent pre-vent these dleeai'S than rotation? 1 think theie ie Those fungi can no mrre exist without being propagated b) a live spore than a stalk ot corn can elt without being preceded b) a live kernel of corn I think In a mo-Jorlt) mo-Jorlt) of cases these diseases arc Introduced Intro-duced by living spores clinging to the seeds when planted Destro) the life of these spores and I think the same kind or crops can tie planted continuously continu-ously on the same ground without becoming be-coming diseased These spores can be destroyed b soaking the seed In some runglclds an Bordeaux mixture or am-monlated am-monlated carbonate of copper Of course If the soil Is already Infected this will be uselss John L Dlckerson In Ohio Pnrmei |