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Wisconsin State Horticultural Society / The Wisconsin horticulturist
Vol. V, No. 5 (July 1900)

Notes on blackberries,   p. 20 PDF (255.5 KB)

Page 20

We have an acre of blackberries in a young apple or- 
chard and believe it to be of mutual benefit. The light 
shade furnished by the orchard is just what the blackber- 
ries like, and in turn the blackberry bushes protect the 
trunks of the apple trees from sun scald. 
-Let your blackberries stay on the bushes until they are 
ripe. Blackberries are not ripe when they first turn black 
but need to remain on the bushes until they swell up and 
become glossy and sweet. 
The acreage in blackberries in Wisconsin is much small- 
er than in former years, but those who have blackberry 
fields report the prospect of a heavy crop. 
There is also a large crop of wild berries. 
.                 ~~~~~~~~~~~.5 
.One serious drawback in growing blackberries is the 
rust. All varieties are subject to it, and there is no reme- 
dy that can be depended upon to exterminate it after once 
securing a foothold. The best treatment is to watch and 
dig out by the roots as soon as possible all cases, new and 
old, that show, certainly, that they have been attacked by 
the rust. This can easily be told by the leaf, those being 
attacked having a crumpled or crinkly appearance, while 
the healthy ones remain smooth, and later on, by the red 
color on the junder side of the leaves. Plants attacked by 
this disease should never be allowed, under any circumstan- 
ces, to remain in the patch until the rust spores or seeds 
are fully developed or ripened. If so, they will spread the 
disease to other plants. Care should be exercised to dig all 
diseased canes in time and to burn as soon as possible. Af- 

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