Lawn, Gardening & Pests
Active Alerts in Logan County
AgAlert! Cucurbit Downy Mildew
Cucurbit downy mildew (CDM) is a destructive disease on most of the members
of the gourd family or Cucurbitaceae such as cucumber, cantaloupe, pumpkin, squash,
watermelon and zucchini. Cucumbers are the worst affected cucurbit that can be
completely killed in two weeks from the onset of the disease.
The disease-causing organism is spread by air current from south to north during
the growing season in most years. Optimum conditions for sporulation of the causal
agent (Pseudoperonospora cubensis), which is an obligate parasite (an organism that
can grow only as a parasite in association with its host plant and cannot be grown
in artificial culture media) are 59°F with 6-12 hours of moisture present (usually
in the form of morning dew or rain droplets on foliage).
CDM regional map is showing outbreak of the disease all around West Virginia, including some of the West Virginia counties, and this is the most critical time to take preventative measures against the disease.
AgAlert! Late Blight of Tomato & Potato
Late blight has been detected in Jefferson County, West Virginia. This is still early in the season, and many growers may have not even harvested yet.
Considering the rainy and humid weather forecast, both organic and conventional growers should take some preventative measures.
Ag Alert! Fire Blight on Apple & Pear Trees
2018 is a bad year for fire blight on pome fruit (apple and pear) partly due to the odd combination of bloom time, temperature and rainfall. In a regular year, most bloom occurs while temperature still below 60° F (minimum temperature required for bacterial infection through flowers).
This year it was delayed but as soon as bloom occurred temperature crossed 60° F mark and rain followed. However, WVU Extension's disease forecast-based spray schedule helped commercial growers keeping disease pressure low. The disease is more widespread at home sites.
Contact the Logan County Office for current news and to learn about upcoming opportunities in our local area. Ask us for more information about topics including:
People in Your Community...Knowledge at Your Doorstep
The WVU Logan County Extension Office provides aid to farmers, gardeners, and homeowners, and local educational programs for area families and youth, businesses, and communities. On our website you will find Extension Service related information on all of these subjects. When in doubt, you can always call our office or email us.