156 
Pepper: Sunscald. 
Potato: Black leg due to Bacillus phytophthorus; leak due to Pythium. 
Radish: Black-root, petiole rot due to Sclerotinia libertiana. 
Rye: Septoria disease of heads; scab caused by Gibberella sauwbinetiit. 
Tomato: Buckeye rot due to Phytophthora terrestria:; bacterial spot; 
fruit rot due to infected growth cracks; sunscald; hollow stem; nematode 
wilt. 
Watermelon: Blossom-end rot. 
Wheat: Foot-rot resembling “take-all”; black chaff. 
