Bacteria as plant pathogens can cause severe economically damaging diseases, ranging from spots, mosaic patterns or pustules on leaves (Figure 5) and fruits, or smelly tuber rots to plant death.
Size of force or number of deaths does not necessarily equate to worst - the question is not what was the largest defeat nor was it what was the defeat with the most casualties. As such, I would suggest that the worst defeat in US military history was the Battle of Little Big Horn, or Custer's Last Stand - a hastily decided attack by Custer left his troops ripe for the picking by the Soux and Apache warriors.
It was told that the Antietam battle was the most bloodiest battle in military history. The Battle of Antietam, or Sharpsburg was fought September 17, 1862. The Battle of Antietam happened on September 17, 1862. It was one of the first Civil War battles to occur in the north-and also one of the deadliest. Nearly 23,000 people were killed, the highest death-toll for any single-day battle in U.S. history.