WebAug 7, 2024 · Tar spot of corn has been a major foliar disease in several Latin American countries since 1904. In 2015, tar spot was first documented in the United States and has led to significant yield losses of approximately 4.5 million t. Tar spot is caused by an obligate pathogen, Phyllachora maydis, and thus requires a living host to grow and … WebAug 11, 2024 · Since tar spot has been detected in Michigan, the greatest disease severity and losses have been in 2024 and 2024. These years were markedly wetter on average …
Agronomists cover tar spot basics for 2024 - agupdate.com
WebJan 19, 2024 · “In 2024 we saw tar spot early on the corn-on-corn crops first,” he recalls. “But once it fired up, it was everywhere. Spore clouds infected a lot of fields in a hurry.” In these … WebJun 14, 2024 · Tar spot pressure in corn is fueled by cool (60-70 degrees F), humid conditions (>75% relative humidity) and prolonged leaf wetness (>7 hours). Therefore, tar … buro tidal high back
ARS, Collaborating Scientists Tackling "Tar Spot" Threat to U.S. Corn
WebNov 6, 2024 · An epidemic of tar spot in 2024 resulted in 20 to 60 bushel per acre yield losses in areas of the Midwest, and some cornfields in Indiana 100% of the corn plants … WebJan 18, 2024 · DOI: 10.1094/PHYTO-05-22-0181-R. Although discovered in the United States only seven years ago, tar spot has wreaked havoc on corn yield—resulting in an estimated … WebJun 14, 2024 · Tar spot pressure in corn is fueled by cool (60-70 degrees F), humid conditions (>75% relative humidity) and prolonged leaf wetness (>7 hours). Therefore, tar spot pressure is typically higher in areas such as those closer in proximity to the great lakes (e.g., Northwest Indiana), river bottoms, and irrigated corn acres. buro tidal mesh back chair