Augmentation Biological Control in High Tunnels June 22, 2016 - From Issue: 615 By: Laura Ingwell and Rick Foster Read More Supplementing the natural enemy population to control insect pests, i.e. augmentation biological control, is of interest to many high tunnel producers. Augmentation biological control has proven very effective at managing[Read More…] Article Categories: Vegetable Crops – General Article Tags: Beneficial Insects and Mites Greenhouses & High Tunnels Insect and Mite Management
Whether to Put Shade Cloth on High Tunnel Tomatoes June 22, 2016 - From Issue: 615 By: Wenjing Guan Last week, the highest temperature reached 110°F for a few successive days inside of our high tunnels. As a result, we observed some blossom drop on tomatoes. More information on[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Crop Culture Greenhouses & High Tunnels Protected Culture and Season Extension
Aphids in High Tunnels June 8, 2016 - From Issue: 614 By: Rick Foster and Laura Ingwell Read More We have begun to receive the first reports of aphid outbreaks in high tunnels on tomato, pepper, and cucumber (Figure 1). Aphids are a very common problem in high tunnels[Read More…] Article Categories: Cucumbers Peppers Tomato Article Tags: Beneficial Insects and Mites Greenhouses & High Tunnels Insect and Mite Management Pests and Pest Management – General
Leaf Mold of Tomato June 5, 2016 - From Issue: 614 By: Dan Egel and Wenjing Guan Read More I have observed leaf mold of tomato in greenhouses and high tunnels recently. This article will discuss this disease and management options. In the last issue of the Hotline, I discussed[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Greenhouses & High Tunnels Plant Disease Management
Link between Plant Density, Yield and Revenue from a High Tunnel May 26, 2016 - From Issue: 613 By: Petrus Langenhoven Read More Planting density plays an important role in the optimization of labor efficiency and productivity of your high tunnel. For the purpose of this article I will focus on tomato which[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Crop Culture Greenhouses & High Tunnels Production Management
Tomato Zippering May 26, 2016 - From Issue: 613 By: Wenjing Guan Read More Recent cool weather increases the occurrence of zippering on high tunnel tomatoes. We observed at least 20% of developing fruit (most on the first and second flower clusters) on the[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Cool Temperature Greenhouses & High Tunnels
Botrytis Gray Mold on Greenhouse Tomatoes May 21, 2016 - From Issue: 613 By: Dan Egel and Wenjing Guan Read More The recent cool and cloudy weather has influenced conditions in the field as well as in greenhouses and high tunnels. I have observed more Botrytis gray mold of tomatoes in[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Greenhouses & High Tunnels Plant Disease Management
Salt Accumulation for Vegetable Production in High Tunnels May 10, 2016 - From Issue: 612 By: Wenjing Guan Read More In a recent visit to a high tunnel, we observed a severe salinity problem on tomatoes. Approximately one month after planting , most tomato plants in the affected area had[Read More…] Article Categories: Solanaceous Crops Tomato Vegetable Crops – General Article Tags: Greenhouses & High Tunnels Soil Fertility and Fertilizers
Understanding High Temperature Effects on Fruit Set of Tomatoes April 26, 2016 - From Issue: 611 By: Wenjing Guan Read More Maintaining temperature in the ideal range is very important for tomato fruit set. The optimum temperatures are 60-75°F (night) and 60-90°F (day). Studies showed that exposing plants to 3-h periods[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Greenhouses & High Tunnels Protected Culture and Season Extension
Substrates for Soilless High Tunnel or Greenhouse Production April 26, 2016 - From Issue: 611 By: Petrus Langenhoven In a previous article ‘Opportunities in Hydroponics’ (VCH 609) we discussed two types of Hydroponics, solution culture and medium culture. In this article we will focus on Growth Substrates (media),[Read More…] Article Categories: Vegetable Crops – General Article Tags: Artificial Soils and Hydroponics Greenhouses & High Tunnels
