Tag Archive: Crops

Late-summer Legume Cover Crops behind Corn

Nitrogen credits from late summer cover crops at the Plant Science Research and Education Unit in Citra, FL 2016. Photo: Arun Jani Arun Jani, and Michael Mulvaney, UF/IFAS West Florida Research and Education Center Integrating summer cover crops into rotations Corn harvest is around the corner.  What will you do with the land after harvest?  …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2017/06/09/late-summer-legume-cover-crops-behind-corn/

The How and Why of Preemergence Herbicide Incorporation for Row Crops

Peanut plots showing rows with and without Valor preemergence herbicide application. Credit: Jay Ferrell Preemergence herbicides are a powerful way to prevent weed infestations before they start.  In our current climate of glyphosate and ALS-resistant weeds, a good preemergence program is more valuable than ever.  However, method and timing of application dramatically impact the efficacy …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2017/04/28/the-how-and-why-of-preemergence-herbicide-incorporation-for-row-crops/

Start Preparing Now for Whiteflies this Fall in Vegetable Crops

Metalized plasticulture may be a worthwhile investment this fall to disrupt high populations of whiteflies, aphids and thrips that built up from another mild winter.  Credit: Josh Freeman I realize that most vegetable producers have just settled into their spring crops, everything is well on its way, and you can put it on maintenance mode …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2017/04/21/start-preparing-now-for-whiteflies-this-fall-in-vegetable-crops/

Oriental Bean Thrips: A Potential Threat to Florida Bean Crops

Joe Funderburk, NFREC-UF/IFAS, Professor of Entomology Megalurothrips is an Old World genus of thrips associated with the flowers of legumes (Fabaceae), with one species in Africa and twelve species in Asia. The Oriental bean thrips, Megalurothrips distalis, was first collected in Alabama, Florida, Georgia, South Carolina, and Tennessee in 2008. This is a large black …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2017/04/08/oriental-bean-thrips-a-potential-threat-to-florida-bean-crops/

Using Dicamba on Dicamba-Tolerant Crops

With the use of dicamba tolerant cotton varieties, there is reason for concern that drift will result in losses to nearby, sensitive crops. Precautions must be followed if these new dicamba formulations are to be used without incident. Photo credit: Doug Mayo Jay Ferrell, UF/IFAS Weed Extension Specialist, & Ramon Leon, UF/IFAS WFREC Weed Specialist …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2017/03/04/using-dicamba-on-dicamba-tolerant-crops/

Alabama Cooperative Extension offers Training for use of Dicamba and 2,4-D Resistant Crops

Alabama Cooperative Extension will offer training for anyone who will be applying auxin herbicides to dicamba or 2,4-D tolerant crops. While mandatory for Alabama farmers, Florida farmers can also attend these educational classes.  See the table below for the date, time, and location closest to you.  All Alabama producers that are planning on using this …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2017/02/04/alabama-cooperative-extension-offers-training-for-use-of-dicamba-and-24-d-resistant-crops/

Fall Sampling for Nematodes in Agronomic Crops

Fall is the best time to take samples for nematodes, since populations often peak near harvest, and while crop roots are still viable.  These samples can be used to help determine if nematodes caused damage in the current crop and help predict the likelihood of damage to an upcoming crop. While all agronomic crops in …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2016/10/07/fall-sampling-for-nematodes-in-agronomic-crops/

Tropical Weather will Increase Disease Pressure on Late Planted Crops

Figure 1. Video of weather forecast for Friday September 2 showing movement through the Southeast of Hurricane Hermine. There is a brief advertisement at the beginning of the video. Ian Small, Nicholas Dufault, Kelly O’Brien, and David Wright Late season storms like hurricane Hermine (Fig. 1) and tropical depression Julia (and 12) often bring significant …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2016/09/16/tropical-weather-will-increase-disease-pressure-on-late-planted-crops/

Thrips-transmitted Viruses Infect a Number of Florida Crops

Figure 1. Necrotic rings on immature tomato fruits from plant infected with Tomato chlorotic spot virus. Garima Kakkar, UF/IFAS, St Lucie County Extension, Fort Pierce; Joe Funderburk, UF/IFAS, North Florida Research and Education Center, Quincy; Scott Adkins, USDA-ARS, Horticultural Research Laboratory, Fort Pierce The thrips-transmitted tospoviruses are important economic problems for crops in Florida. Tomato …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2016/09/09/thrips-transmitted-viruses-infect-a-number-of-florida-crops/

Potential Whitefly Outbreak threatens Florida Crops and Landscapes

Brad Buck, UF/IFAS Communications Situation The Q-biotype whitefly, a significant  tropical and subtropical pest, may threaten Florida crops such as tomatoes, squash, beans, watermelons and many other vegetables and ornamentals if immediate measures are not taken to prevent its spread. Scientists statewide, including those with the University of Florida Institute of Food and Agricultural Sciences …

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Permanent link to this article: http://liberty.ifas.ufl.edu/newsletters/2016/05/28/potential-whitefly-outbreak-threatens-florida-crops-and-landscapes/

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