Greenhouse Management - Greenhouse Management is the …
Meeting the challenge of pest management. Envu is the sponsor of the 2024 Greenhouse Management Insect Control Report. Hear from Janna Beckerman on Envu Green Solutions Team about pest management strategies and how Envu can help.
Overwintering can be easier than you think - Greenhouse …
Nov 30, 2007 · This technique creates a microclimate 8°F to 10°F warmer than the air above the blanket inside the structure. Place the thermoblanket over the plants only during extremely low temperatures to avoid excessive moisture buildup. Maintaining plants above freezing. Heated greenhouse or poly-covered house with roll-up sides.
Insulate to save heat - Greenhouse Management
Sep 27, 2023 · In a typical 30’ x 100’ freestanding greenhouse, the amount of wall area to 3 feet height is about 15% of the total surface area. Insulating reduces the amount of light reaching the plants very little. It can reduce fuel use significantly and lower the heating bill. Insulating exterior walls behind fin or bare iron heat pipes is very ...
Using temperature to control growth - Greenhouse Management
Jun 9, 2011 · Opinion differs on the amount of temperature drop needed. Most growers lower the temperature 5°F-12°F. Not only does a morning DROP use less energy, lowering the greenhouse temperature before sunrise is also more effective at controlling stem elongation. Paul Pilon, owner of Perennial Solutions Consulting, said that because most growth occurs ...
Mode of Action Group 3: DMI fungicides - Greenhouse Management
Jun 21, 2010 · Mode of Action Group 3: DMI fungicides. This is the third of a 6-part series detailing mode-of-action groups for disease control comparing relative efficacy, resistance and phytotoxicity characteristics. The mode-of-action group 3 (demethylation inhibitors, also called sterol biosynthesis inhibitors) fungicides were first introduced in the mid ...
Choose the best shading material for your greenhouse
Nov 1, 2016 · Internal shade curtains. Growers can reduce greenhouse light transmission to reduce water loss and plant temperature (heat stress) or for crops that are sensitive to high solar radiation by using shading materials. The two most common shading strategies used in commercial greenhouses to reduce solar radiation are: 1) applying a shading compound ...
Diseases in propagation - Greenhouse Management
Jan 22, 2019 · At the start of a new growing season, growers should take steps to prevent different diseases. Fig. 1. Botrytis produces abundant masses of gray spores on diseased and dead plant parts, appearing as a fuzzy or powdery gray mold. A new year signals the start of a new growing season. How about propagating and producing high-quality and healthy ...
Six poinsettia pests and how to overcome them
Aug 18, 2021 · Cultural: 1) remove weeds from within and around the greenhouse, 2) avoid over-fertilizing poinsettia plants with water-soluble nitrogen-based fertilizers, and 3) remove leaf debris from production areas. Scouting: 1) use yellow sticky cards to capture whitefly adults, which will help to detect early infestations, and 2) visually inspect the ...
Smart lighting control systems: The next frontier in supplemental ...
Mar 21, 2022 · Traditional lighting control approaches include timers, threshold control, DLI control and, in some cases, manual control. With manual control, it is nearly impossible to get consistent day-to-day light conditions in a greenhouse, since it is simply not practical to make changes many times a day. Timer control is the simplest way to control ...
What are my options for propagation fog? - Greenhouse …
Published March 09, 2011. John W. Bartok Jr. Fog is an alternative to mist for germination and propagation. Its advantages include more uniform wetting across the plant area, deeper penetration into the foliage, higher efficiency and lower maintenance costs. For propagation, a high relative humidity can be maintained without saturating the ...