Fire blight, caused by the bacterium Erwinia amylovora, is a devastating disease of apples and pears. Epidemics of the disease develop quickly, particularly in a climate of warm, wet weather, with hail events. The type of management program developed by each orchard will vary considerably based upon a variety of orchard factors, including apple variety,…Read more about Fire Blight[Read More]
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There is some very exciting news this week for Indiana with respect to the U.S. Drought Monitor. For the first time since April 25, 2023, the entire state is void of any Abnormally Dry (D0) or Drought (D1-D4) conditions. I would include the map but … drumroll, please … there’s nothing to show! This is…Read more about Indiana is entirely free of drought (Climate & Weather)[Read More]
Lacewings are a group of insects commonly found in Indiana and throughout the world. There are several species, but the most common that you will see in Indiana include the green lacewing and the brown lacewing. They belong to a unique order of insects, Neuroptera, and are commonly referred to as aphid lions. The life…Read more about Insect Spotlight: Lacewing (Chrysoperla carnea)[Read More]
In addition to frost protection, disease management is pivotal during the blooming stage, particularly concerning gray mold (caused by Botrytis spp.) and Anthracnose. To protect the fruit, fungicide application should commence at or even before blooming. The pressure of both diseases is heavily influenced by weather conditions, with Botrytis favoring wet and cool climates and…Read more about Strawberry Disease Management Considerations at Blooming and Fruiting[Read More]
This article was written on April 17. Harvesting of high tunnel-grown strawberries has started from southern to central Indiana. Early cultivars in open-field plasticulture are fruiting in southern Indiana, with harvest right around the corner. The crops are generally a week earlier than last year. Late cultivars, second-year patches, and fields covered with straw in…Read more about Strawberry Crop Status Update[Read More]
There has been a lot of movement just in the last two weeks. We are seeing a lot of trees about to flower or in full flower. The grapes are swelling and some early varieties are at bud burst. Our field Strawberries are at tight bud or popcorn stage now. The Strawberries in the high…Read more about Crop Conditions[Read More]
All that new, succulent growth needs to be protected to prevent primary (and even secondary!) scab (Fig. 1). We’re past the point where copper can be safely used, so protectant fungicides for scab control at this stage include mancozeb, ziram and captan. As an added bonus, all of these protect against the summer rots, and…Read more about Apple Disease Management Notes for April[Read More]
Something exciting happened this past Monday that many of you might be glad is over and no longer filling your news feed – the total solar eclipse. The Indiana State Climate Office, however, is now getting a chance to dig into the data collected from the Purdue Mesonet – a collection of 14 weather stations…Read more about Weather impacts from eclipse[Read More]
The Two-spotted lady beetle, Adalia bipunctata, is a common insect predator, meaning it feeds on other, smaller bugs. Native to North America and Europe, the Two-spotted lady beetle is distinguished from other lady beetles by its oblong shape and two large black spots on either of its back, as well as its large white spots…Read more about Insect Spotlight: Two-spotted lady beetle[Read More]
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