Metrolina Greenhouses celebrates 50 years in business
WEBApr 25, 2022 · Metrolina Greenhouses, the largest single-site, heated wholesale greenhouse operation in the U.S., celebrates its 50 year anniversary on April 26, 2022. The privately owned producer of ornamental plants, including annuals, perennials, shrubs and trees, spans more than 200 acres of greenhouses and 1,000 acres of …
Powering up young plants - Greenhouse Management
WEBDec 20, 2022 · Efficient space use and conserving time and labor help make spring production more manageable. One of the most efficient ways to grow plants is to treat them at a young age, such as when they are still plugs or liners, prior to transplant. Much of the efficiency in treating young plants compared to finished plants is directly related to ...
Understanding vent controls - Greenhouse Management
WEBMay 19, 2020 · The basic control system for vents includes a sensor, environment control, contactor panel, vent controller and gearmotor that moves the vent arms. The vent controller includes a transformer that changes the voltage to 24 volts for the gearmotors. Some units will handle several roof and sidewall …
The IGR playbook - Greenhouse Management
WEBOct 17, 2023 · By Juang Horng (J.C.) Chong, Ph.D. Published October 17, 2023. A rotation of insect growth regulators and other modes of action is needed to combat a pest population with mixed life stages. Photo credit: JC Chong. Modern pest management approaches are built on a simple ecological principle: You need to either increase the death rate or reduce ...
Choose the right plastic film for your needs
WEBMay 27, 2010 · The life of polyethylene film is limited due to degradation processes induced by sunlight and heat. Copolymer poly is a low-cost material that is good for one season. It is a good choice for seasonal greenhouses, overwintering structures and high tunnels. Avoid construction grade material that has less strength.
Black root rot: Everything you need to know to combat one of the …
WEBMar 1, 2021 · Scouting crews that note uneven or irregular growth among plants in the same tray or container, or spotty chlorotic plant tissues randomly distributed throughout the greenhouse, have likely uncovered black root rot, which is caused by the fungus Thielaviopsis basicola.
Understanding IGRs - Greenhouse Management
WEBAug 12, 2013 · The tiny pale spots are numerous young nymphs, an ideal target for IGRs. Insect growth regulators, or IGRs, are materials that act on the hormonal systems of immature insects. Insects pass through several stages on their way to adulthood. Each step in the process in controlled by chemicals that the insects naturally produce.
6 common greenhouse problems & how to solve them
WEBMar 2, 2021 · Common problem No. 4: Constant mold and pest problems. Besides the overall function of the watering/fertigation system, close attention to disinfection is a major priority. Pythium and other vectors for disease can be transmitted by contaminated irrigation equipment and/or contaminated water. If growers are experiencing continued Pythium ...
Water soluble fertilizers: best practices for a safer environment
WEBJan 21, 2011 · Cari Peters is vice president, J.R. Peters Inc., (866) 522-5752, Ext, 14; [email protected]; www.jrpeters.com. This article is adapted from the presentation “Water Soluble Fertilizers: Best Practices for a Safe Environment” at the 2010 Northeast Greenhouse Conference & Expo (www.negreenhouse.org). Implementing fertility best ...
How much water do your plants really need? - Greenhouse …
WEBMar 12, 2010 · Over a three week period, plants received anywhere from 3½ to 22 ounces. A substrate moisture content of 20 percent was enough to grow quality plants. For a three week period, these plants received about 16 ounces of water per plant. This is a little more than 1 tablespoon per day.