a man in a blue hat sprays a field of yellow flowers

Delta Plus

Composition and Active Ingredient

A blend of complex copper compounds, silicic acid, potassium sorbate, and other active agents.

Characteristics and Benefits of the Compound

  • 100% water-soluble.

  • Rapid absorption into plant cells for fast-acting efficacy.

  • Completely eradicates ( extripate or finish ) fungi and bacteria.

  • Treats downy mildew and powdery mildew.

  • Controls leaf spot and Cercospora in sugar beet.

  • Combats fire blight in fruit trees.

  • Combats leaf and fruit spotting in fruit trees.

  • Prevents root rot and soil diseases.

  • Treats gummosis and stem/canker diseases in fruit trees.

  • Controls rusts in cereal and vegetable crops.

Usage Rate

  • Fruit trees: 2 liters/acre as a foliar spray. Repeat every 10–15 days.

  • Field crops (wheat, barley, rice): 2 liters/acre, applied before ear emergence. Reapply if needed.

  • Sugar beet: 1 liter/acre. Reapply if Cercospora infection reoccurs.

  • Potatoes: 2 liters/acre. Repeat every 15 days.

  • Greenhouse/vegetable crops: 2 liters/acre. Apply 30 days after planting and repeat every 15 days.

  • Soil diseases/root rot: Apply 2–4 liters/acre through irrigation water.