31. The fungus is not harmful to humans but causes warts to grow on potatoes, making them unmarketable . 32. She characterized the Beckett ownership as " a convoluted mess " that made the land unmarketable . 33. They also chew the spears and lay generous amounts of eggs on them, making the crop unmarketable . 34. "Those hours were simply unmarketable , " said Suzanne Burton, a spokeswoman for the city. 35. A serious encroachment, Hall said, could render title to the property technically " unmarketable ." 36. If unsprayed, the McIntosh succumbs easily to apple scab, which may lead to entire crops being unmarketable . 37. Infected needles yellow and eventually fall, which can cause the tree to become thin-crowned and unmarketable . 38. The stock is Buffett's attempt at making proposed unit trusts based on Berkshire's own shares unmarketable . 39. But, in many cases, the products were unmarketable , at least at the prices they paid for them. 40. EBDC and fosetyl-al have also been shown effective in Florida trials that reduced unmarketable heads to 2 %.