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Wisconsin State Horticultural Society / The Wisconsin horticulturist
Vol. VII, No. 6 (August 1902)

Hasselbring, Heinrich
Canker of apple trees,   pp. 28-30 PDF (812.9 KB)

Page 28

, 8SX i~~.            ;. * #-rm 1. 
laws, and list of officers, as well as all the papers and' discussions 
with many half-tones. Prof. T. H. MacBride, of Iowa City, is 
president of the Association, and L. H. Pammel, of Ames, Iowa, 
The firms of Coe & Converse, F. C. Edwards and J. M. Ed- 
wards & Sons, of Fort Atkinson, have combined and hereafter the 
firm name will be The Coe, Conyerse & Edwards Co. R. J. Coe is 
president; F. C. Edwards, vice-president; A. J. Edwards, secretary; 
D. C. Converse, treasurer, and J. M. Edwards, director. They have 
12o acres devoted to the growing of choice nursery stock. 
We have received the last annual report of the Michigan State 
Horticultural report. It is a cloth-bound copy of 200 pages con- 
taining the papers and discussions of both their summer and fall 
meetings and is well illustrated. Mr. R. M. Kellogg, of Three 
Rivers, is president, and Charles E. Bassett, of Fennville, is secre- 
A. T. Erwin, assistant professor in horticulture at Ames, Iowa, 
has just returned from a trip through northern Iowa and Southern 
Minnesota and reports the plum crop As being very light, in fact, 
almost a total failure in many of the best orchasds. 
By HIrNRICH HASSkLBIMNG, B. S., Assistant in Vegetable Pathology. 
Throughout the fruit growing region of Illinois bark diseases of 
fruit trees are common. These diseases are popularly known as 
"cankers." Their injury consists in destroying more or less extend-
ed portions of the bark of living trees. thereby causing serious 
wounds which interfere with the nutrition of all parts of the affected 
limbs above the canker spot, finally resulting in the death of the 
limb unless the tree is able to heal over the wound. These dis- 
eases are especially dangerous, inasmuch as they do not restrict 
their injury to a single crop or to one season, but threaten the life of

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