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Vegetable Crops Hotline A newsletter for commercial vegetable growers prepared by the Purdue University Cooperative Extension Service

Pests and Pest Management - General
References, associations, organizations, periodicals, pesticides, pesticide safety, pest laws and regulations

Backpack Sprayer Use

March 15, 2017 - From Issue: 624

By: Dan Egel

Small vegetable growers may find pesticide applications with a tractor driven sprayers impractical. Such growers may turn to hand sprayers. In a separate article, I argued that garden sprayers are [Read More…]

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Vegetable Crops – General

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Pests and Pest Management – General

Purdue Looking for Watermelon Growers to Collaborate on Research Study

February 13, 2017 - From Issue: 623

By: Laura Ingwell

As part of a multi-state effort being headed by Dr. Ian Kaplan at Purdue University in the Department of Entomology, we are investigating how to best manage insect pests on [Read More…]

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Cucurbits
- Watermelon

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Pests and Pest Management – General

The Results are in: Pesticide Residues in Produce

November 15, 2016 - From Issue: 623

By: Dan Egel

Vegetable growers are familiar with pesticide labels that specify how much of a product may be applied. As commercial growers, we usually think about such instructions as telling us how much pesticide [Read More…]

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Vegetable Crops – General

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Pests and Pest Management – General

Colorado Potato Beetles on High Tunnel Tomatoes

June 8, 2016 - From Issue: 614

By: Rick Foster and Wenjing Guan

Figure 1. Colorado potato beetle larvae found on high tunnel tomatoes.

Last week we had a report of an infestation of Colorado potato beetle larvae on tomatoes in a high tunnel (Figure 1). Potato beetles are a pest of most of the [Read More…]

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Solanaceous Crops
- Tomato

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Aphids in High Tunnels

June 8, 2016 - From Issue: 614

By: Rick Foster and Laura Ingwell

Figure 1. Aphids on tomatoes in a high tunnel (Photo credit Wenjing Guan)

We have begun to receive the first reports of aphid outbreaks in high tunnels on tomato, pepper, and cucumber (Figure 1). Aphids are a very common problem in high tunnels [Read More…]

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Corn Earworm

June 8, 2016 - From Issue: 614

By: Rick Foster

I continue to catch low numbers of corn earworm moths in my pheromone trap. Although the numbers are low, growers with very early sweet corn that is in the reproductive [Read More…]

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Corn
- Sweet Corn

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New Purdue Publication About Pesticide Drift

May 24, 2016 - From Issue: 613

By: Liz Maynard

Purdue Extension publication PPP-110 ‘Options for Dealing with a Pesticide Drift Incident’ describes causes and effects of pesticide drift. It discusses actions a vegetable farmer (or anyone) might take if [Read More…]

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Vegetable Crops – General

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Lettuce Drop

March 15, 2016 - From Issue: 609

By: Dan Egel

The symptoms of lettuce drop include a white mold that covers much of the plant and the dark, irregular sclerotia that are observed here. (photo: Wenjing Guan).

Cool season crops such as lettuce are becoming a more popular crop among Indiana greenhouse/high tunnel growers. One of the most important diseases of lettuce is known as lettuce drop.[Read More…]

Article Categories:

Greens and Salad Crops
- Lettuce

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Seed and Root Maggots

March 14, 2016 - From Issue: 609

By: Rick Foster

Three species of seed and root maggots attack vegetables in Indiana. The seedcorn maggot (Figure 1) feeds on seeds and seedlings of sweetcorn, cucurbits, lima and snap beans, peas, and [Read More…]

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Neonicotinoid Seed Treatment on Cucurbits

March 14, 2016 - From Issue: 609

By: Rick Foster

In recent years, many seed companies have begun using the neonicotinoid insecticide thiamethoxam (FarMore) as a seed treatment on cucurbit and other vegetable seeds. Thiamethoxam is a systemic insecticide that [Read More…]

Article Categories:

Cucurbits

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Pests and Pest Management - General
References, associations, organizations, periodicals, pesticides, pesticide safety, pest laws and regulations

Backpack Sprayer Use

Purdue Looking for Watermelon Growers to Collaborate on Research Study

The Results are in: Pesticide Residues in Produce

Colorado Potato Beetles on High Tunnel Tomatoes

Aphids in High Tunnels

Corn Earworm

New Purdue Publication About Pesticide Drift

Lettuce Drop

Seed and Root Maggots

Neonicotinoid Seed Treatment on Cucurbits

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References, associations, organizations, periodicals, pesticides, pesticide safety, pest laws and regulations

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