Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Root knot nematodes (RKN) are plant pathogenic roundworms that live in the soil and feed on plant roots. They are favored by sandy soils found across much of DE and eastern shore MD.… Continue Reading
Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu With our sandy soils, Soybean Cyst Nematode (SCN) is widely prevalent across the region. Symptoms of SCN can look similar to production challenges like nutrient deficiency, soil compaction, drought stress, or other diseases.… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Crop rotation is a key to successful vegetable production. However, land limitations often make long term rotations difficult. Shorter rotations lead to a buildup of pests, with soil borne diseases and nematodes… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Rapeseed (Brassica napus) has been used as a biofumigant in new and replant orchard sites. It has a deep root system, is good at reducing surface compaction, scavenges significant soil nitrogen, and… Continue Reading
Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Soybean Cyst Nematode consistently ranks as the most yield limiting pathogen of soybeans across the US, with root knot nematodes not far behind in the southern to mid-Atlantic regions of the US. Soybean… Continue Reading
