The applications of Bordeaux mixture recommended for black-rot are valuable in preventing the dead-arm disease.
It is not satisfactorily controlled by Bordeaux mixture alone.
In most seasons, too, unremitting warfare must be kept up with Bordeaux mixture to check mildew.
The best spray is a half pint of Black Leaf 40 to a hundred gallons of water or Bordeaux mixture.
The solutions used were potassium sulfide, saccharate of lime, and Bordeaux mixture.
Spraying with Bordeaux mixture, as recommended for black-rot, is usually sufficient to keep the disease in check.
The disease is combatted by dusting with flowers of sulphur or by spraying with Bordeaux mixture as for black-rot.
Spraying with Bordeaux mixture as indicated for black-rot will keep downy mildew in check.
The common remedy for most of these diseases is called the "Bordeaux mixture."
If but one plant is attacked, I would spray it with Bordeaux mixture, which can now be obtained in paste form from most florists.