5/20/2013 12:00:00 AM
Powdery mildew is widespread on squash and cucumbers around SW Florida. Reports indicate that pressure has increased in recent weeks and is high in older squash. Powdery mildew is also very common in watermelons and in some fields the powdery mildew has infected most of the foliage. Read more on disease incidence from page 7 of the South Florida Vegetable Pest & Disease Hotline.
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5/20/2013 12:00:00 AM
Respondents report mostly low aphid pressure in the Homestead area. Dr. Dak Seal reminds growers that in-judicious use of broad spectrum insecticides which adversely affect beneficial insects can flair aphid populations. Read more on aphid populations from page 5 of the South Florida Vegetable Pest & Disease Hotline.
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5/20/2013 12:00:00 AM
Thrips remain an issue in Palm Beach County. Crops affected include pepper and eggplants and tomatoes. Some cases of thrips vectored Red Node Virus have been reported in beans around Belle Glade. Read more on the issue with thrips from pages 4-5 of the South Florida Vegetable Pest & Disease Hotline.
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5/20/2013 12:00:00 AM
Severe grass and broadleaf weed pressure reduces grain sorghum yields and can make harvest very difficult. Good crop rotation and herbicide selection are essential components of managing weeds in
grain sorghum. Read more on weed control strategies from this Agronomy e-Update article.
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5/20/2013 12:00:00 AM
Physiological old seed that was not properly stored is easily recognizable. It has sprouts, sprout tubers or second growth, and/or it can be soft or dehydrated. Planting seed with these symptomologies can result in missing plants, slow emergence, multiple stems, and a non-uniform stand in the field. Read more on these issues from this Crop & Pest Report.
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5/20/2013 12:00:00 AM
Brown wheat mites have been a problem on many wheat fields throughout Kansas this year, due to the extended severe drought. A severe infestation of brown wheat mites will reduce wheat yields. It's far too late now to spray for the mite and try to protect yield potential. But what can producers expect to happen next season on these severely infested fields? Find out from this Agronomy e-Update article starting on page 5 of the newsletter.
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5/20/2013 12:00:00 AM
Respondents in Homestead report that worm pests (fall armyworm, beet armyworm and diamondback moth) are active on a variety of crops. Read more on their activity from page 3 of the South Florida Vegetable Pest & Disease Hotline.
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5/20/2013 12:00:00 AM
This Crop & Pest Report article is an edited version of information printed in an earlier article by Dr. Jeff Stachler: As the number of tillage passes and depth of tillage decreases, dandelions become more prevalent in agricultural fields. Read more on the problem at the link below.
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5/20/2013 12:00:00 AM
Identifying the type of rust and whether conditions are optimal for its development can help you better target management efforts. Read more on differentiating the three rust diseases of wheat from this Crop Watch article.
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5/20/2013 12:00:00 AM
As corn begins to emerge, be alert to the potential damage that may be caused by early season insects. Most early season insect damage would be caused by cutworms, wireworms, or white grubs. Read more on these pests from this Crop Watch article.
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