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DISEASES OF THE CRANBERRY. 65 manner. The vine of last year will have started spears or uprights, in that season those spears have not attained their growth. In the following spring they will become taller, and the new growth will be perceptible by the contrast. The former year's growth has a dark hue, and. stronger stem; the new growth is thinner, green in appearance, and altogether more delicate. " The worm begins its ravages from the point that the new growth- has started. It does not descend down the old growth, but from the base of the new spring growth it begins its operations, working upward."'* This insect comes in swarms. It alights on the leaves, and extracts the moisture. There seems to be in the vine or young leaf a juice which by them is sought after. When it is present it is known by the vine being webbed up and appearing as though it was suffering from the fire blight. At the period when these attacks are made, there is some degree of certainty. It is most frequently immediately after blossoming time, and their ravages are often fatal to the crop of that yard which they visit. There is something singular about the plan upon which they act, but as it is new, we must describe that action, leaving the ascertaining of the cause thereof to further research and more experience. We are familiar with the situation of a large pond which is bordered * Howes Chapman, Esq. , Joshua 0. Howes, Esq.
Title | A complete manual for the cultivation of the cranberry |
Creator | Eastwood, B. |
Publisher | Orange Judd |
Place of Publication | New York |
Date | 1856 |
Language | eng |
Type | Books/Pamphlets |
Title | 00000085 |
Type | Books/Pamphlets |
Transcript | DISEASES OF THE CRANBERRY. 65 manner. The vine of last year will have started spears or uprights, in that season those spears have not attained their growth. In the following spring they will become taller, and the new growth will be perceptible by the contrast. The former year's growth has a dark hue, and. stronger stem; the new growth is thinner, green in appearance, and altogether more delicate. " The worm begins its ravages from the point that the new growth- has started. It does not descend down the old growth, but from the base of the new spring growth it begins its operations, working upward."'* This insect comes in swarms. It alights on the leaves, and extracts the moisture. There seems to be in the vine or young leaf a juice which by them is sought after. When it is present it is known by the vine being webbed up and appearing as though it was suffering from the fire blight. At the period when these attacks are made, there is some degree of certainty. It is most frequently immediately after blossoming time, and their ravages are often fatal to the crop of that yard which they visit. There is something singular about the plan upon which they act, but as it is new, we must describe that action, leaving the ascertaining of the cause thereof to further research and more experience. We are familiar with the situation of a large pond which is bordered * Howes Chapman, Esq. , Joshua 0. Howes, Esq. |
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