Effective weed management is critical for the profitable production of vegetable crops in the desert southwest for all the obvious reasons. However, weed management is also essential for another important, but often overlooked, reason.
Authors: W. Eugene Hall, Lydia M. Brown, Naomi Pier, and Peter C. Ellsworth
Blister beetles produce a toxic compound called cantharidin, which can be lethal to horses and unpleasant to humans and other animals. This publication provides guidelines to help growers avoid blister beetle contamination.
Huanglongbing (Chinese for yellow dragon disease or yellow shoot disease, abbreviated as HLB) also known as citrus greening, is a lethal, fast-spreading bacterial disease of citrus. HLB is the worst disease of citrus trees worldwide.
Enlist™ One and Enlist Duo are water-based formulations of 2,4-D that can only be sprayed on cotton varieties with Enlist traits. XtendiMax® with VaporGrip® Technology and Engenia® Herbicide are water-based formulations of dicamba that can only be sprayed on cotton varieties with XtendFlex traits. The EPA labels for these 2,4-D and dicamba products include many requirements designed to reduce off-target movement and help limit damage to downwind crops and other susceptible plants. These are summarized in this table comparing 2,4-D and dicamba herbicide products. Check labels and websites for current requirements before spraying.
Insect Management on Desert Melons: Whiteflies 2019
This article describes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Melons. It includes it's history of development and damages it has caused. The article also describes the management of SWF, including sampling/monitoring, natural/biological control, cultural practices, and insecticidal control.
A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
This article describes the Lettuce Aphid. It covers it's physical description, economic damage, insecticidal control, and methods for identifying this insect. Very little has been reported about Lettuce Aphids under desert conditions.
A chart detailing various insecticides and the efficacy against Thrips on Desert Leafy vegetables. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Larvae stage. There is also a brief note for each of the insecticides.
A chart detailing various insecticides and the efficacy against different species of Aphids. Each insecticide is rated at Good, Fair, and Poor, and is shown for each listed Aphid species. There is also a brief note for each of the insecticides.
Authors: Jessica L. Dery, Natalie Brassill, and Channah M. Rock
Irrigation water can act as a vector, or carrier, that can transport or spread pathogens to crops, where they have the potential to cause illness (CDC, 2018). Decisions to treat irrigation water can be driven by buyer requirements, for product marketing or branding, or because the water quality exceeds the FDA Food Safety Modernization Act (FSMA) regulations or the Leafy Green Marketing Agreement (LGMA) standards for generic Escherichia coli (E. coli).
Authors: Shujuan Li, Dawn H. Gouge, Shakunthala Nair, Alfred J. Fournier, and W. Eugene Hall
Kissing bugs are true bugs in the insect Order Hemiptera, in the Family Reduviidae. Reduviids as a family, are sometimes called assassin bugs because most members of this family are predators of other arthropods and are in fact beneficial to humans. Kissing bugs are an exception, and are blood-feeding parasites that feed on a wide variety of domestic, wild animals, and occasionally humans. Kissing bugs are also known as conenose bugs, Triatomine bugs, Mexican bed bugs, and Wallapai tigers. Kissing bugs get their name because they often bite sleeping human victims on the face. Although kissing bugs are in the same insect order as bed bugs and both feed on blood, they have different life histories.
Arizona is a leading producer of vegetables. Organic vegetable farmers have limited means to control insects and currently rely on a select few chemical biopesticides. This article aims to provide new educational information regarding biopesticides and their efficacy.
Relative Efficacy Index (REI) for Biopesticides on Desert Produce
Arizona is a leading producer of vegetables. Organic vegetable farmers have limited means to control insects and currently rely on a select few chemical biopesticides. This article shows collected data concerning the relative efficacy index (REI) for some biopesticides.
New Insecticides for Desert Produce and Melon Crops 2019
This article lists some of the newly registered insecticides for 2019. Including Cormoran, Harvanta50SL, Versys/Sefina, and PQZ. Each insecticides effective spectrum, recommended rates, and chemistry are listed respectively. These insecticides are considered useful for desert produce and melon crops.