Confused by all the lighting options available for your research? Avoid investing in the wrong solution with this video featuring Reg Quiring as he shares his 30 years of experience in plant growth chambers design and development:
As growth chambers and rooms emerged in the 1960s and 70s the primary light sources were Very High Output (VHO) fluorescent tubes. In the early 1980s, HID lighting such as High Pressure Sodium (HPS), Metal Halide (MH), and more recently Ceramic Metal Halide (CMH) started to be integrated as researchers started to call for higher intensity lighting for their plants.
Not using your plant growth chamber for a period of time and wondering how best to prepare it for shutdown? Transitioning from one research program to another and want to ensure your chamber is clean for the next user? Or are you simply looking to ensure that the chamber is cleaned ahead of beginning your next research project? This video outlines the steps you can take.
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Choosing a plant growth chamber or room with the right set of specifications is critical to ensure that you have equipment that meets the requirements of your research. However, your facility may not currently have the physical space or the budget to source the ideal controlled environment to meet your research needs. Often times though, there are model choices that can provide you with a lower cost and/or space saving alternative that enables you to economize, meet your overall research objectives and not compromise on quality of the controlled growing space.
Scientists at the British Columbia Institute of Technology (BCIT) in Canada are leading the way when it comes to solving problems such as how to feed a growing population and alleviating the effects of climate change.
BCIT is focusing on experimentation with the C4 plant Setaria which tolerates hot and dry conditions better than C3 plants. Instead of growing Setaria in their greenhouse, where conditions were variable, they are using a Conviron GEN1000 plant growth chamber that allows more control over growth conditions and yields more consistent and repeatable data.
On November 15, 2019 the University of Missouri cut the ribbon on its new plant growth research facility. The event was attended by UM Chancellor Alexander Cartwright, UM System President Mun Choi, Columbia Mayor Brian Treece, Bob Sharp, the director of UM's Interdisciplinary Plant Group as well as prominent faculty and community members.
Plant growth chambers and rooms provide a means to regulate temperature, light, humidity, and other critical environmental variables for plant science and other life science studies. The refrigeration system of any controlled environment is relied upon when it comes to regulating thermal energy to maintain air temperature within specified limits. There are two main types of refrigeration systems used by plant growth chamber and room manufacturers:
The University of Sheffield has been presented with the Conviron Green Leaf Award™. Matthew Gilroy, Conviron’s Territory Manager for the United Kingdom was on hand to present the award to Timo Blake, Controlled Environment Facilities Manager and Professor Duncan Cameron, from the Department of Animal and Plant Sciences.
“We have a long working relationship with the University of Sheffield and are pleased to recognize the University’s commitment to the important work of advancing plant science research. Conviron and Argus are honored to be the technology supplier of choice and delighted that in so doing we are supporting the University’s overall sustainability strategy” stated Gilroy.
The University of Missouri is enhancing its plant biology program with a major US$28.2 million expansion of a state-of-the-art research greeenhouse and plant growth chamber facility.
The new facility will have 22,880 square feet (2,126 square meters) of research greenhouse space, with some of the greenhouse modules featuring plant growth height of up to 21 feet, 6 inches (6.5 meters) - the tallest on the MU campus.
The new plant growth chambers will control lighting, temperature, humidity and carbon dioxide. The facility will feature 9,385 square feet (872 square meters) of space for controlled environment plant growth research and include seed storage and drying rooms as well. The project is expected to be completed by summer 2019.
This double door multi-tier reach in chamber was equipped with multi-channel LED bars for tissue culture research.
The supplier of the light bars (G2V Optics) was able to customize the length of its bars and the number of light bars per fixture so that it would conform to an existing chamber design (Conviron model A2000). The LED light fixtures are quite shallow which enabled Conviron to install the fixtures within a three-tier reach in chamber. There are 4 fixtures per tier for a total of 24 LED bars in the entire chamber.
In addition to customizing the physical dimensions of the fixtures, the bars feature a four channel adjustable spectrum in ultraviolet, blue, red and far red. At any given time, one, two, three or all four channels can be activated simultaneously. To accommodate the four channel lighting an Argus Titan controller was selected rather than the standard controller for the A2000:
The poster attached (below) presented at recent Society of In Vitro Biology (SIVB) and American Biosafety Association (ABSA) conferences summarizes the difference between the universal biohazard symbol and the plant containment symbol.
The poster also presents guidelines for using the plant containment symbol for greenhouses, growth chambers, growth rooms or laboratories where plant research requires containment.
The NCERA-101 Committee on Controlled Environment Technology and Use provides further references for containment (biosafety) on its website.
The purpose of this blog is to provide insight into the technologies associated with plant growth chambers around the world by showcasing their usage in universities, institutes and other research centers of excellence.
The blog draws upon the work of clients and other users of controlled environment equipment, Conviron subject matter experts and Conviron’s long history as the world’s leading manufacturer of controlled environments.