WebJul 25, 2024 · In 1970, 80 to 85 percent of the corn grown in the U.S. was of the same variety. Without any biodiversity, it is easy for a fungus to move in and wipe out a crop, … Web1970 PROGRAM The threat of southern corn leaf blight (SCLB) came as no surprise in 1971. It had caused widespread crop damage the previous year, starting in the Southern States and spreading throughout the Corn Belt. The predicted yield for corn in 1970 was 4.82 billion bushels, but the devastating SCLB fungus (Helminthosporium maydis) ruined ...
The Corn Blight of 1970 - YouTube
WebJul 1, 2024 · The southern corn (Zea mays L.) leaf blight (SCLB) epidemic of 1970–1971 was one of the most costly disease outbreaks to affect North American agriculture, destroying 15% of the crop at a cost ... WebIn 1970 in the United States, the fungus Bipolaris maydis caused a Southern corn leaf blight epidemic that generated losses of approximately US$1 billion. That year in February, the disease was found in Florida in corn hybrids, which previously were resistant to B. maydis. new homes for sale in victorville ca
Corn Blight Again?; Farmers Fear 1971 Attack Could Be …
WebAug 16, 2016 · August 16, 2016From Gary Crawford, Agriculture USA audio. On this edition of Agriculture USA Gary Crawford takes listeners back to 1970 to explore why corn leaf … WebAug 16, 2016 · August 16, 2016 From Gary Crawford, Agriculture USA audio On this edition of Agriculture USA Gary Crawford takes listeners back to 1970 to explore why corn leaf blight created massive farm losses across the USA. He talks with researchers about the epidemic and whether it could happen again. WebJan 1, 1971 · Seed crops were often blighted, resulting in a proportion of diseased kernels. Because of the extensive u se in seed production in 1970 of lines which contain Texas (T) male-sterile cytoplasm, 70 ... new homes for sale in wake county