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Updated: September 1, 2021
The Plight of Clint and his Monoculture Practices
Figure 1. Yellow tree foil/white clover intercropping (From Cotswold Seeds)
Updated: September 1, 2021
Plants that Attract Pollinators and Natural Enemies
Plants that Attract Pollinators and Natural Enemies
Updated: September 1, 2021
Organic Weed Management in Weeds
Weed management is more challenging in organic crops and accounts for a large portion of production costs. As such, managing weeds is a major economic constraint to the organic vegetable industry, and comparisons of weed communities between conventional and organic farming systems consistently demonstrate higher weed levels in organic systems.
Updated: September 1, 2021
Fungal Entomopathogens: An Enigmatic Pest Control Alternative
Entomopathogens are bacteria, fungi, protozoans or viruses that can infect and subsequently cause disease in insects and other arthropods. They can indirectly impact cropping systems by serving as naturally suppressors of insect and mite pests. When there are epizootic outbreaks, entomopathogens are capable of causing rapid declines in large populations of their arthropod hosts. Many of these naturally occurring pathogens have been formulated and commercialized as insecticides.
Updated: September 1, 2021
Organic Weed Control in No-Till Vegetable Systems
Organic vegetable growers have a hard time managing weeds, as there are no reliable Organic Materials Review Institute (OMRI) chemicals for controlling grass or broad leaf weeds. Most of the time growers depend on tillage for weed control, but excess tillage can lead to destruction of soil structure and the loss of carbon from the soil. No-tilling cover crops is a possibility, but has several problems, most notably being unreliable as a season-long weed control method.
Updated: September 1, 2021
Minute Pirate Bug: A Beneficial Generalist Insect Predator
The genus Orius is represented by very tiny true bugs commonly known as minute pirate bugs and flower bugs. Their common names are representative of their small size and favorite hangout while on plants. Insect predators of the genus Orius are polyphagous which means they are generalist predators that feed on a variety of prey. Orius is typically the first and most common predaceous insect to appear during spring. They play a key role in the management of various agricultural pests in greenhouse and field environments.
Updated: September 1, 2021
Cantaloupe (Muskmelon) in Maryland
Cantaloupe (Cucumis melo) is a warmseason crop that generated $319 million in sales in the U.S. in 2013 (1). Most commercial production occurs in California and Arizona, but historically production has centered in Maryland, Delaware and New Jersey (14). Cantaloupe grows best in well drained silty or sandy loam soils with a pH of 6.0-6.5. This vegetable is well-suited to growers with small-scale cultivation of 5 acres or less (14), as production doesn’t require a lot of specialized equipment, and fruit are highly marketable.
Updated: August 24, 2021
Stop Use Order for Some Labeled Organic Products
For our organic vegetable growers in the Mid-Atlantic the California Department of Food and Agriculture’s State Organic Program issued a STOP USE notice for W.O.W. (WHACK OUT WEEDS!) and ECOMIGHT-PRO products,manufactured by EcoMight LLC.
Updated: July 26, 2021
IPM Threshold Guide for Vegetable Crops
IPM Threshold Guide for Vegetable Crops
Updated: July 21, 2021
Summary of the Comparative Efficacy of Common Active Ingredients in Organic Insecticides Against Difficult to Control Insect Pests
There exists a lack of control efficacy information to enable decision-making about which organic insecticide product works best for a given insect pest. Here we summarize results of 153 field trials on the control efficacy of common active ingredients in organic insecticides against groups of the most difficult to control insect pests. The performance of organic products Entrust (spinosad), Azera (pyrethrin and azadirachtin), PyGanic (pyrethrin) and Neemix (azadirachtin) varied widely among pest groups, as well as among pest species within a group, providing an overall reduction in pest infestations by 73.9%, 61.7%, 48.6% and 46.1%, respectively.
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