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  1. Agricultural IPM
  2. Other Crops
  3. Cross Commodity
Cross Commodity
Cross Commodity Publications
  • Jun 2022
    NCC Response To Sulfoxaflor
    Publication (PDF, 1MB)
    Authors: Peter C. Ellsworth and Alfred J. Fournier
    Arizona Pest Management Center response to National Cotton Council query on the use of Sulfoxaflor in Arizona cotton.
  • Oct 2020
    Symptom Identification and Management of Cotton Seedling Diseases
    Publication (PDF, 1.2MB)
    Authors: Jiahuai Hu, Randy Norton
    Seedling diseases, also known as damping-off (seedling death), are caused by several common soil-inhabiting fungi acting alone or collectively during pre-emergence and postemergence of cotton seedlings. Seedling diseases are common but often a minor problem in cotton production areas of Arizona in most years. However, significant stand loss to seedling diseases can occur sporadically in some fields without good crop rotation history.
  • Sep 2020
    Fusarium Wilt of Cotton
    Publication (PDF, 1.8M)
    Authors: Jiahuai Hu, Randy Norton
    Fusarium wilt is a destructive vascular wilt and root rot of many plant species, including all species of domesticated cotton.
  • Sep 2020
    Goss’s Bacterial Wilt and Leaf Blight of Corn
    Publication
    Authors: Jiahuai Hu
    Goss’s bacterial wilt and leaf blight (Goss’s wilt) was first recorded in Nebraska in the late 1960s and is now distributed widely in most states throughout the Corn Belt. The disease was first detected on field corn in southeastern Arizona in 2018.
  • Sep 2020
    Alternaria Leaf Spot of Cotton
    Publication
    Authors: Jiahuai Hu and Randy Norton
    Alternaria leaf spot of cotton is also known as Alternaria leaf blight. The disease was first identified in cotton in the US in 1918 and is now distributed worldwide. Alternaria leaf spot has been considered a minor disease in the cotton growing areas of Arizona.
  • May 2019
    Spray Legally: Summary of Enlist™, Engenia® and Xtendimax® Application Use Requirements on Cotton
    Publication (PDF, 304KB )
    Authors: William B. McCloskey, Naomi M. Pier
    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.
  • Mar 2019
    Corn Earworm Management on Desert Produce - 2019
    Publication (PDF, 273KB)
    Authors: John C. Palumbo
    This article describes the Corn Earworm and where it can be found. It covers it's physical description, economic damage, insecticidal control, and methods for identifying this insect.
  • Oct 2018
    Crop Protection & Pest Management Program Saves Lives, Dollars and the Environment in Arizona
    Publication (PDF, 2.5MB)
    Authors: Arizona Pest Management Center (APMC)
    This piece highlights impacts of University of Arizona Extension IPM programs, funded by USDA National Institute of Food and Agriculture (NIFA).
  • May 2018
    Cotton Stem Blight and Boll Rot
    Publication (PDF, 779KB)
    Authors: Jiahuai Hu
    Cotton stem blight and boll rot is caused by the necrotrophic fungus Sclerotinia sclerotiorum. This pathogen can attack hundreds of plant species including many important agricultural crops such as vegetables, legumes, sunflowers, canola, many flowering bedding plants, and stone fruits.
  • Feb 2017
    Cotton Variety Testing Results - 2016
    Publication (PDF, 4.36MB)
    Authors: Randy Norton, Ayman Mostafa
    Variety selection is one of the most important decisions a grower will make contributing to the success of a cotton crop. It is critical, that a grower have as much information as possible in order to make an informed decision regarding variety selection.
  • Feb 2016
    Insect Management on Desert Produce Crops: Western Flower Thrips 2016
    Publication (PDF, 357KB)
    Authors: John C. Palumbo
    Western flower thrips are major pests to lettuces, cabbage, and spinach because of the damage they cause to these plants. This article describes their development, Economic Damage, and suggestions for their management.
  • Aug 2015
    Insect Management on Desert Vegetables and Melons: Whiteflies 2015
    Publication (PDF, 592KB)
    Authors: John C. Palumbo
    This article describes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Vegetables and 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.
  • Jun 2015
    Estimating the Vegetative/Reproductive Balance in Cotton Growth
    Publication (PDF, 300KB)
    Authors: J. C. Silvertooth
    A healthy, well-developed cotton plant that is capable of high yield requires a strong root system, mainstem structure, sufficient leaves, and numerous fruiting branches to support a good boll load. Too small a vegetative structure on the plant results in reduced yield potential, and too much vegetative development, which is usually done at the expense of fruit set and yield.
  • Jun 2015
    Early Season Crop Management
    Publication (PDF, 319KB)
    Authors: J. C. Silvertooth
    The approaches and techniques used to produce a cotton crop in Arizona can vary to some degree from county to county, or from farm to farm. However, one of the objectives that has become increasingly common across Arizona is that of achieving earliness with a crop.
  • Jun 2015
    Soil Management and Soil Testing for Irrigated Cotton Production
    Publication (PDF, 436KB)
    Authors: J. C. Silvertooth
    Whenever studying cotton, it is a natural tendency to focus on the above ground portions of the plant. However, an equally important part of the plant is the root system, The soil is a focal point of any farming operation.
  • Jun 2015
    General Maturity Groups for Cotton Varieties
    Publication (PDF, 289KB)
    Authors: Silvertooth, Jeffrey C.
    Three maturity groupings are often used to classify cotton varieties, consisting of: 1) short season or more determinate plants, 2) medium season varieties, and 3) long or full season varieties which are more indeterminate in nature. Classification of cotton varieties into one of these three categories is not necessarily straightforward in all cases. In fact, it easily can become a process of “splitting hairs” when making maturity grouping designations for cotton varieties. Nevertheless, maturity designations are commonly assigned to most commercially available varieties, which can effect selection and management.
  • Jun 2015
    Determining the Mainstem Node Number for Cotton
    Publication (PDF, 329KB)
    Authors: J. C. Silvertooth and Paul W. Brown
    To systematically monitor a young crop effectively, it is important to understand the fundamentals about counting and identifying nodes on the plant.
  • Jun 2015
    Physiology of Cotton Defoliation
    Publication (PDF, 529KB)
    Authors: Felix Ayala and J. C. Silvertooth
    This bulletin deals with the physiology of cotton defoliation and attempts to describe what conditions must exist inside the plant in order for defoliation to occur. It is important to understand the basic physiological processes involved in order for best crop management practices to accomplish a successful defoliation.
  • Jun 2015
    Early Cotton Development
    Publication (PDF, 281KB)
    Authors: J. C. Silvertooth
    After stand establishment, the next critical stage in the development of a cotton crop is the initiation of the first squares, or floral buds, which could develop into the plants’ first boll. This is an important step for a cotton crop and one which is usually followed closely by the attentive farmer.
  • Jun 2015
    Water Management for Defoliation
    Publication (PDF, 316KB)
    Authors: Silvertooth, Jeffrey C.
    There are several factors which are important to consider in managing defoliation. Factors such as plant-water relations, Nitrogen (N) fertility status, the extent of honeydew deposits on the leaves from insects such as the sweet potato whitefly or aphids, and weather conditions following the defoliant application are all important in terms of the final defoliation results.

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ARIZONA PEST MANAGEMENT CENTER
University of Arizona
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Maricopa Agricultural Center

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