MILDEW ON ROSE TREES
Do not apply water to a tree affected by mildew until it Is clean. Experiments prove that a constant stream of water passes through a rose tree, entering at the roots and transpiring through the foliage. This stream of transpiration is very weak during humid weather, and when the soil as well as the atmosphere is charged with moisture it fails to maintain the temperature of the tree at its normal level; it is then subject to mildew. Do not prune until the tree is clean, as the more foliage it develops the greater its rate of transpiration.
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https://paperspast.natlib.govt.nz/newspapers/SUNAK19300201.2.246.3
Bibliographic details
Sun (Auckland), Volume III, Issue 886, 1 February 1930, Page 34
Word Count
102MILDEW ON ROSE TREES Sun (Auckland), Volume III, Issue 886, 1 February 1930, Page 34
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