Microbe-containing Products Advertised for Greenhouse Floriculture Crops to Enhance Plant Growth

The production of ornamental and edible crops in commercial greenhouses is high-input specialty crop agriculture. Much of the industry relies on chemical pesticides (insecticides, miticides, fungicides, and bactericides) to control pathogens and insect pests, and intense irrigation and fertilization to insure the production of high quality crops. Consumers are becoming more aware of and concerned about how their purchases impact the environment, and there is increasing market pressure on commercial greenhouses to decrease their chemical usage. Consumer, market, and grower interest in reducing the environmental impact of the greenhouse industry has led many commercial greenhouses to adopt more sustainable growing practices and to pursue sustainable certification. A survey of the industry, funded through a NIFA SCRI planning grant, confirmed that a majority of respondents were interested in using biological products as part of a more sustainable crop production system. While respondents were familiar with the use of natural predators and biopesticides, they were less familiar with the biostimulant class of bioproducts. Biostimulants directly influence plant metabolism, growth and development. They enhance plant growth and overall plant health by increasing root elongation, nutrient uptake, and stress tolerance.

One barrier identified by Greenhouse industry stakeholders to the use of biostimulants has been the lack of a single, non-bias resource that contains biostimulant products available for use on greenhouse floriculture crops. This interface is a compilation of products that (1) contain microorganism(s), (2) are advertised as biostimulants (i.e., enhance plant growth), and (3) can be used in a greenhouse and/or on flowering plants. We have indicated if each product is OMRI certified based on a search of the OMRI List© in November 2017.

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Microbe-containing Products for Greenhouse and Floriculture

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This material is based upon work that is supported by The National Institute of Food and Agriculture, U.S. Department of Agriculture, Specialty Crops Research Initiative under award Number 2015-51181-24284. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.