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
Minimum Temperatures from April 9-11 April 13, 2016 - From Issue: 610 By: Wenjing Guan Read More We went through an unseasonably cold period in early April (Figure 1). In southern Indiana, a few high tunnel tomato growers have already planted their crops. These plants may need[Read More…] Article Categories: Vegetable Crops – General Cucumbers Tomato Article Tags: Greenhouses & High Tunnels Protected Culture and Season Extension
