Watermelon

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

Watermelon

MELCAST 2016

April 26, 2016 - From Issue: 611

By: Dan Egel

I have never had as many questions about how to use MELCAST as I did in 2015. The interest in this program is growing both here in Indiana and nationally.[Read More…]

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Symptoms of Anthracnose of Watermelon on Fruit

October 29, 2015 - From Issue: 607

By: Dan Egel

Late in the 2015 season, I observed some unusual symptoms of anthracnose on watermelon fruit. I wanted to discuss these symptoms, but first a little background of cucurbits. An extension bulletin [Read More…]

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Cucurbits
- Watermelon

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Plant Disease Management

Downy Mildew of Cucurbit Update

September 4, 2015 - From Issue: 605

By: Dan Egel

Downy mildew has been confirmed on jack-o-lantern pumpkins in Daviess and Jasper Counties and on acorn squash in LaPorte County. These are the first confirmed reports of this disease on Cucurbita pepo in [Read More…]

Article Categories:

Cucurbits
- Cantaloupe
- Cucumbers
- Melons, Other
- Pumpkins
- Squash
- Watermelon

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Plant Disease Management

Downy Mildew Update

August 20, 2015 - From Issue: 604

By: Dan Egel

On July 22, I announced that downy mildew had been observed on watermelon in Knox County in southwestern Indiana. This article in the Vegetable Crop Hotline issue 603, https://ag.purdue.edu/hla/Extension/VegCropsHotline/Pages/Latest-Articles.aspx?article=118, describes the outbreak and [Read More…]

Article Categories:

Cucurbits
- Cantaloupe
- Cucumbers
- Melons, Other
- Pumpkins
- Squash
- Watermelon

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Plant Disease Management

Spider Mites

August 5, 2015 - From Issue: 603

By: Rick Foster

We have received a number of reports of outbreaks of spider mites, primarily in watermelons and in high tunnels. The problems in high tunnels are not unexpected because one of [Read More…]

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Sunburn on Vegetables

August 4, 2015 - From Issue: 603

By: Dan Egel and Liz Maynard

Vegetables such as this watermelon may become sunburned if lack of foliage cover exposes the fruit to excess sun and heat. (Photo by Dan Egel)

Loss of foliage due to poor growing conditions or disease can cause fruit to be exposed to the sun. Hot temperatures and direct sunlight can lead to areas of the [Read More…]

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Downy Mildew Update

August 4, 2015 - From Issue: 603

By: Dan Egel

On July 22, I announced that downy mildew had been observed on watermelon in Knox County in southwestern Indiana. This article https://ag.purdue.edu/arp/swpap/VeggieDiseasesBlog/Lists/Posts/Post.aspx?ID=48 describes the outbreak and management options. Below, I [Read More…]

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Cucurbits

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Plant Disease Management

Downy Mildew of Watermelon

July 22, 2015 - From Issue: 602

By: Dan Egel

Downy mildew of watermelon causes dark brown or black lesions often surrounded by a yellow halo.

This disease has been observed on watermelon in Knox County. The following article will discuss the symptoms, biology and management of downy mildew of cucurbits. Symptoms. The symptoms of downy [Read More…]

Article Categories:

Cucurbits
- Watermelon

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Plant Disease Management

Phytophthora Fruit Rot of Watermelon

June 25, 2015 - From Issue: 600

By: Dan Egel

Most growers first notice this disease when large, soft areas develop on mature watermelon fruit. These lesions can be several inches across and are often covered with a white mold. The [Read More…]

Article Categories:

Cucurbits
- Watermelon

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Plant Disease Management

MELCAST

May 18, 2015 - From Issue: 598

By: Dan Egel

Many cantaloupe and watermelon growers have planted transplants in the field or will soon. A question many growers often have is when and how should one apply fungicides. Applying fungicides [Read More…]

Article Categories:

Cucurbits
- Cantaloupe
- Watermelon

Article Tags:

Plant Disease Management

Watermelon

MELCAST 2016

Symptoms of Anthracnose of Watermelon on Fruit

Downy Mildew of Cucurbit Update

Downy Mildew Update

Spider Mites

Sunburn on Vegetables

Downy Mildew Update

Downy Mildew of Watermelon

Phytophthora Fruit Rot of Watermelon

MELCAST

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Watermelon

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