In a press release on August 6, 2024, EPA announced the emergency suspension of all registrations of DCPA (marketed and sold as Dacthal® herbicide). The full press release can be viewed here: EPA Issues Emergency Order to Stop Use of Pesticide Dacthal to Address Serious Health Risk | US EPA Why did EPA do this?[Read More…]
Stephen Meyers
Fruit growers, we want to know what topics you would like to learn more about at the 2025 Indiana Hort Conference & Expo. Help us bring you the tools, skills, and information you want to hear about by filling out a very short survey. Planning is in progress, so save the date! January 14-15, 2025[Read More…]
In an IR-4 Industry Technology Session presentation on July 18, 2024, Dan Kunkel with AMVAC Corporation announced the release of Zalo® herbicide for use in pome and stone fruits. Zalo® is a premix of quizalofop and glufosinate. Quizalofop, a grass-selective herbicide, is the active ingredient in products such as Assure® II. Glufosinate, is a broad-spectrum[Read More…]
Common names: Yellow nutsedge, yellow nutgrass, nut sedge, chufa, earth almond, northern nutgrass Latin names: Cyperus esculentus L. Family: Cyperaceae (Sedge family) General Description Perennial sedges are among the most troublesome weed species globally. Because nutsedges look like grasses (Figure 1), they are often referred to as “nutgrasses”. They can be differentiated from grasses by[Read More…]
Fruit growers, we want to know what topics you would like to learn more about at the 2025 Indiana Hort Conference & Expo. Help us bring you the tools, skills, and information you want to hear about by filling out a very short survey. Planning is in progress, so save the date! January 14-15, 2025[Read More…]
Mesotrione is a Group 27 (HPPD-inhibitor) herbicide. It is registered as a stand-alone active ingredient in products such as Callisto®, Argos®, and Tenacity® among several others. It is also a common ingredient in pre-mix corn herbicides such as Acuron, Calliso® GT, Optero®, Storen® and many others. Mesotrione has both pre-emergence and post-emergence activity on select[Read More…]
Many of the pesticide products Indiana farmers use do not include specialty crops on the container’s label. These uses are often added through 24C Special Local Need (SLN) labels or supplemental labels, which can be difficult to locate. In response to this, the Office of the Indiana State Chemist created a “Pesticide Products- Special State[Read More…]
Honeyvine Milkweed What is it? Honeyvine milkweed (Cynachum laeve) is a perennial, deciduous, vining member of the milkweed family, Asclepiadaceae. It is native to the United States and can serve as a host for monarch butterfly larvae. Honeyvine milkweed tends to be more problematic in production systems with reduced or no tillage, including perennial fruits.[Read More…]
As strawberry harvest winds down, attention turns to strawberry renovation. Renovation consists of mowing existing strawberry foliage (Figure 1) and, in matted row systems, cultivating to reduce row width. When combined with strategic herbicide applications, this can be a great time in the production cycle to catch up on weed management or maintain your level[Read More…]
This time of year, my email inbox and phone text messages are filled with ugly photos of fruit and vegetable crops affected by suspected herbicide exposure. Sometimes the symptomology points toward a clear cause and effect, but most of the time the answer is not so clear-cut. Here are a couple recent examples: Cupping and[Read More…]