There are early reports of powdery mildew and Downy mildew in squash in squash in the Great Lakes region. This disease usually appears in late-July. Downy mildew on cucumbers is present in multiple growing areas.
Author: cuccap
Watermelon Fungicide Guide | Clemson
Four foliar diseases reduce watermelon yields in South Carolina. Gummy stem blight and powdery mildew are the most common diseases in spring crops.
South Carolina Grower Update | July 8, 2024
Cucurbit crops finished quickly this year due to the heat and high levels of gummy stem blight. As the temperatures continue to rise, conditions are prime for many vegetable diseases. Lowcountry growers are seeing sunburned melons. It will be important to be vigilant for downy mildew and powdery mildew on pumpkins that just went into the ground last week.
Downy mildew reported on cucurbits in Michigan
All Michigan cucumber and melon growers should employ effective downy mildew fungicides immediately.
South Carolina Grower Update | July 1, 2024
Watermelons continue to be harvested, but vine quality is on a sharp decline attributed to higher levels of gummy stem blight and other environmental factors. Anthracnose (Colletotrichum species) is present on the foliage of cucurbits
CucCAP scientists map genetic loci for resistance to low temperature stress in citron watermelon
CucCAP scientists at Clemson University and the USDA-ARS Vegetable Laboratory in Charleston SC screened a collection of citron watermelons for tolerance to low temperatures.
Michigan Cucurbit update | June 26, 2024
Cucurbit Downy mildew spores have been detected in Michigan. Squash vine borers are active. Cucamelon (Melothria scaba), an obscure cucurbit crop has gained popularity.
South Carolina Grower Update | June 24, 2024
Cucurbit growers should be on the lookout for gummy stem blight, downy mildew, powdery mildew, and fruit disease. Other issues with cucurbits right now include squash bugs and cucumber beetles.
