The Diseases of Ginseng and Their Control (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from The Diseases of Ginseng and Their Control

Another factor rarely considered by the grower, but one having a direct bearing upon the prevalence Of disease among the plants, is crowding. In the forest the plants occur singly or in'small colonies more or less widely separated from each other and protected from the contagious diseases Of their neighbors by distance, tree trunks, and thickets and by the usual quiet air Of the heavy forest depths. When brought under cultivation they are crowded together, touch ing each other on every hand. The Old and diseased as well as the young and healthy roots are planted together side by side. There is nothing to prevent the ready spread Of the spores or germs Of any disease from one plant to another; hence, epidemics Of Alternaria blight, Phytophthora mildew, etc., have occurred. Observations indicate that the cultivation Of ginseng in small gardens will usually prove most profitable in the. Long run, but more space for each plant seems desirable.

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