e-GRO Edibles Alert: 5.06 Ryan Dickson and Leala Machesney University of Arkansas Blackberries and other small fruits are increasingly being grown in soilless substrate and containers versus field soil. Growing small fruit crops in containers requires additional capital and effort compared to field production, but has some potential benefits.
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e-GRO Edibles Alert: 5.05 Powdery Mildew Management 101 Nick FlaxPenn State Extension Though powdery mildew does not lead to total crop death in the way that many other plant pathogens do, growers need to manage this disease. This article covers powdery mildew basics and tips for managing the disease in greenhouse-grown food crops.
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A webinar series focused on greenhouse-grown industrial hempWhen: Thursdays, July 18 – August 8, 2019Time: 12:30 – 2 p.m. EST Heidi Lindberg, Michigan State University ExtensionIndustrial hemp (Cannabis sativa L.) is cannabis cultivated to produce fiber, grain, biomass, or non-intoxicating medicinal compounds, such as cannabidiol (CBD). Recently, the 2018 Farm Bill legalized the production of industrial […]
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One of the many challenges of tomato (Solanum lycopersicum L.) and kale (Brassica oleracea) greenhouse growers is the management of edema (oedema). Often described as intumescence or enations, edema is an abiotic-induced complication that develops at different levels of intensitydepending on the cultivar and, in some cases, between individual plants. Symptoms Edema is often described […]
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Originally published on the e-Gro Blog Thu, Mar 21, 2019, created by Kellie Walters and Roberto Lopez If you are growing crops hydroponically in deep-flow or raft systems, one of the last things you want to see is an unusually low or empty tank. It is not uncommon for nutrient solution levels to be reduced […]
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Published by e-Gro Not all nutritional problems are caused by supplying too much or too little of a certain nutrient. “Tip-burn” of inner leaves is a common problem in hydroponic lettuce, where the margins of the young emerging leaves develop necrosis and burn as shown in Figure 1. The necrosis is from a calcium deficiency, […]
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Published by e-Gro Downy mildew continues to be the most important disease of basilthroughout most of the USA, affecting plants grown outdoors at farmsand in gardens as well as in greenhouses every year. Widespreadregular occurrence of this devastating disease has clearlydocumented that management is needed to ensure a marketablecrop. Below are some tips for management, […]
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by Neil Mattson for eGro (https://e-gro.org/pdf/E301.pdf) Waterborne diseases that infect roots are a common production issue in hydroponic production. Several species of the water mold, Pythium, attack greenhouse crops. Basil and spinach are susceptible to economically devastating levels of Pythium root infection in hydroponics. In this article we will present symptoms of Pythium infection and management strategies. […]
Continue ReadingIf you missed the e-GRO webinar “Managing Nutrient Solutions for Hydroponic Leafy Greens and Herbs” on Jan. 22, 2016, which was sponsored by Hort Americas, you can still view the webinar on YouTube. Hydroponic greens and herbs are produced in systems with recirculating nutrient solutions. In order to maintain productive and quality crops, it is important to know […]
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