Cucurbits are being harvested in multiple regions of S.C. In the Midlands, Squash are still being picked with anthracnose present at greater frequency. Mosaic virus has also been more prevalent. Disease pressure is high. Striped cucumber beetle and army worms have been seen on squash.
Author: cuccap
Cucumber downy mildew arrives in South Carolina
This article for gardeners is published in The Post and Courier, a Charleston S.C. newspaper. The article discusses Cucurbit downy mildew on several varieties of cucumber, other cucurbits, and other crops.
Michigan cucurbit report – June 28, 2023
Clade 2 downy mildew spores were trapped in Michigan last week. Phytophthora infested surface waters may be the only source for irrigation in some areas.
Clemson field updates | June 26, 2023
Summer squash is being harvested. Growers are seeing some internal ripening issues in squash and agents suspect it to be a seed issue. Squash vine borers have started showing up in spots. Foliar diseases such as gummy stem blight in cucurbits are beginning to take off,.
Fungicide management options | SC Grower
A fungicide sensitivity bioassay was conducted between June 1 and June 10 to determine which fungicides can be used against the current outbreak of powdery mildew on squash, watermelon and other cucurbits.
CucCAP scientists identify gene for short-vining cucumber plants
The compact (cp) phenotype in cucumber is an important plant architecture-related trait with potential for breeding short-vining cucumber plants for high density planting and mechanized harvest.
2023 Fusarium Wilt experiment
From Clemson Plant Pathologist Tony Keinath. This year’s Fusarium wilt experiment includes 3 seedless cultivars, 3 fungicide treatments applied via drip irrigation, and grafting. preliminary results are based on disease development 10 weeks after transplanting.
Disease Factsheets for Emerging Viruses
The Emerging Viruses in Cucurbits Working Group includes members from the CucCAP team. The EVCWG website provides resources for Cucurbit growers including virus factsheets. Visit the CucCAP disease management pages to find links to disease factsheets for these viruses and other Cucurbit diseases.
