When Neil Young was singing about “Rust Never Sleeps,” I doubt he meant orange rust, caused by the fungus Gymnoconia nitens (formerly Arthuriomyces peckianus). But who knows? Maybe he did? And he’d be right: This rust is definitely not sleeping! Despite unusually dry conditions throughout much of the state, orange rust is still making its presence known[Read More…]
Crop Management
The harvest season may not have ended yet; it is time to plan for the new planting. This article summarizes options for planting materials and considerations for plasticulture-grown strawberries in the region. Purchasing plug plants Plug plants are like vegetable transplants with actively growing root systems. Plug plants are much easier to establish than bare-root[Read More…]
Currently, the US Drought Monitor (https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?IN) places Indiana in the ‘abnormally dry’ category. With no rain in our 10 day forecast, I expect that to only get worse, and with it, powdery mildew on all fruit crops. Powdery mildew is identified by the white, powdery growth on leaves and shoots that consist of the fungal[Read More…]
Shoots are at various stages of development across the state with some shoots at or near bloom. The most important time of the year for fruit disease control is from pre-bloom to 4-5 weeks past fruit set. The potential for fruit infection drops significantly 4-5 weeks post-bloom. Important diseases to control during this time include[Read More…]
This time of year, my email inbox and phone text messages are filled with ugly photos of fruit and vegetable crops affected by suspected herbicide exposure. Sometimes the symptomology points toward a clear cause and effect, but most of the time the answer is not so clear-cut. Here are a couple recent examples: Cupping and[Read More…]
Growing strawberries under high tunnels can extend the harvest season, provide protection against rain, frost, and disease, and improve overall yield and fruit marketability. Pest pressure, however, can be higher on protected culture strawberry compared to the open field. This is especially true for small, soft-bodied pests such as spider mites, aphids, and thrips. Even[Read More…]
We all know that growing and protecting delicious fruit is a challenge! Whether you’re producing tree fruits, stone fruits, berries, or drupes, all kinds of insect pests are out to exploit the fruits of your labor. Despite our best efforts, sometimes a few insect pests slip under the radar and all you can do is[Read More…]
Plasticulture strawberry harvest has kicked off in southern Indiana. These plants went through a winter of temperatures, ups and downs, and survived the unexpected frosts in April. Finally, it is harvest time! This article’s title is a message from a grower. The straightforward explanation is that plants received more sunlight and warmed up faster on[Read More…]
Tank mixtures (or tank-mixing) describes the process where multiple crop protection chemicals are combined in a single tank for simultaneous application. Tank-mixing pesticides allows the grower to make a single application but manage multiple pests AND pesticide resistance issues. All specialty crops, especially fruit crops, have more pests and pathogens than field crops, along with[Read More…]