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Vol. XXIX, No. 10 
be found in a sequence of particular 
conditions at harvest. One such con¬ 
dition is premature topping, which 
through wounds may expose succulent 
tissue to parasitic attack. 
LITERATURE CITED 
<1) Munn, M. T. 
1917. neckrot disease of onions. N. Y. State 
Agr. Exp. Sta. Bui. 437: 361-455, illus. 
<2) Selby, A. D. 
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cultivated plants in ohio. Ohio Agr. Exp. 
Sta. Bui. 214: 307-456, illus. 
(3) Walker, J. C. 
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685-722, illus. 
(4) - 
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Jour. Agr. Research 24: 1019-1040, illus. 
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(6) - LlNDEGREN, C.C., AND BACHMAN, F. M. 
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