Kane County Standard | 1947-08-08 | Page 7 | Remedy for Black Rot Disease among Grapes

remedy for black rot disease among grapes use of bordeau mixture 4 4 plus one pound ot of rosin ash oil soap per gallons of 0 spray mixture Is recommended for those vineyards where black rot ot and downy mildew have been serious tills this spray Is applied just before bloom just after bloom arid and two weeks atter after bloom if rainfall Is above normal it may be necess aary to make a fourth application two weeks after the third I 1 treatment I 1 I 1 I 1 I 1 MV