. Bulletin . Fig. 24.—Pear tree shown in Fig. 23 in full leaf. Note extremely dense vegetative condition ofthe top of the tree following heading-back pruning. (Courteay W. F. Rofkar.) 34 Light pruning of young trees is recommended, as blight ismore difficult to control where annual growth is stimulated andsoftened by heavy pruning. Cuts and wounds on pear trees, especially cuts made duringthe growing season, should be promptly disinfected with a 1 to 500solution of equal parts of bichloride of mercury (poisonous) andcyanide of mercury (poisonous), to prevent entrance of fire blight.(Follow dir
. Bulletin . Fig. 24.—Pear tree shown in Fig. 23 in full leaf. Note extremely dense vegetative condition ofthe top of the tree following heading-back pruning. (Courteay W. F. Rofkar.) 34 Light pruning of young trees is recommended, as blight ismore difficult to control where annual growth is stimulated andsoftened by heavy pruning. Cuts and wounds on pear trees, especially cuts made duringthe growing season, should be promptly disinfected with a 1 to 500solution of equal parts of bichloride of mercury (poisonous) andcyanide of mercury (poisonous), to prevent entrance of fire blight.(Follow directions on package for making solution of strengthindicated.). Fig. 25.—Fine o)d Duchess pear tree standing in Ottawa County, Ohio. Large branchesare well spaced to admit light. Tree has been kept in annual bearing by well-dis-tributed pruning cuts that have each year removed about one-third of the fruit type of pruning has prevented the remaining spurs from growing uniformly andannual bearing has resulted. (Courtesy W. F. Rofkar.) Pruning the Plum The bearing habit of plums varies with the variety. Usually,the pruning is intermediate between that for the peach and thecherry. Some varieties of plums grow much like the peach and aretreated accordingly. Others are more like the sweet cherry andare pruned in a similar manner. 35 The Ohio State University Cooperating with The United States Department of Agriculture H. C. Ramsower, Director Agricultural College Extension Service Columbus, Ohio Free.—Cooperative Agricultural ExtensionWork^—Acts of May 8 andJune 30, 1914
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