Andy Wyenandt

• Cole crops
• Spinach
• Strawberry
• Keep in mind these disease tracking sites:
  • Late blight http://usablight.org/
  • Cucurbit downy mildew http://cdm.ipmpipe.org/

[Read more…]

Recognize these diseases of Spinach and Strawberry?

White rust on bottom side of infected spinach leaf.
Anthracnose fruit rot of strawberry.	Botrytis fruit rot of strawberry.

With the relatively dry spring we’ve had thus far, it’s easy to forget about Pythium and Phytophthora! The same question always comes up about this time of year when growers begin to start thinking about transplanting their tomato and pepper crops. “What should I do to help prevent Pythium and Phytophthora?”

In years past, the answer was simple, apply mefenoxam (Ridomil Gold SL, Ultra Flourish, 4) or metalaxyl (MetaStar, 4). Problem solved, right? In the past, that answer was right, but with resistance development in Phytophthora (P. capsici) to both mefenoxam and metalaxyl, the correct answer isn’t so simple anymore. [Read more…]

• Asparagus: Phytophthora crown and spear rot
• Cabbage: Damping-off
• Cole crops: Downy Mildew and Alternaria
• Leeks (overwintered, spring transplanted): Purple blotch
• Lettuce: Bottom Rot/Drop
• Parsley: Septoria Blight/Bacterial (blight) leaf spot
• Strawberry: Anthracnose fruit rot; Botrytis (Gray Mold) and Blossom blight

[Read more…]

Priaxor: For disease control and plant health in fruiting vegetables (0-day PHI).

All seed used in transplant production, as well as, any transplants brought into the greenhouse should be certified ‘clean’ or disease-free. Important diseases such as Bacterial leaf spot of tomato and pepper can cause major problems in transplant production if introduced in the greenhouse. [Read more…]