Horticulture, a text book for high schools and normals, including plant propagation; . Fig. 244.—Purslane; entire plant. (Minnesota Station.)Fig. 245.—Buckhorn Plantain; 1, entire plant; 3, seedling; 4, seed enlarged. (Minnesota Station.) milkweed, dandelion, thistle and others may be carried by strongwind to distant places. Still others, such as the dock and wildcarrot, may be blown somewhat by the wind and will alsofloat upon water, where they are carried by either waves or cur-rents to new fields. Many perennial weeds have other means of spreading than byseeds. The underground stems, runner
Horticulture, a text book for high schools and normals, including plant propagation; . Fig. 244.—Purslane; entire plant. (Minnesota Station.)Fig. 245.—Buckhorn Plantain; 1, entire plant; 3, seedling; 4, seed enlarged. (Minnesota Station.) milkweed, dandelion, thistle and others may be carried by strongwind to distant places. Still others, such as the dock and wildcarrot, may be blown somewhat by the wind and will alsofloat upon water, where they are carried by either waves or cur-rents to new fields. Many perennial weeds have other means of spreading than byseeds. The underground stems, runners, etc., will spread of the worst grasses, Canada thistle, sheep sorrel, toad flaxand many more are thus spread. Frequently such seeds are PRINCIPLES OF WEED CONTROL 349 spread by means of tillage implements which merely transfer themfrom place to place. The more quack grass is cultivated the moreit may be spread. Principles of Weed Control.—It is miportant to study the hfe ofa weed if you wish to eradicate it. Learn its habits and then youcan control it. It is eas
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgardeni, bookyear1922
