Some Problem Diseases of Potatoes |
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Page 2
... blight , caused by the fungus Phytophthora infestans , may nearly completely defoliate susceptible plants . This ... Early blight ( Alternaria solani ) , also a fungal disease , is often con- fused with late blight . The " early " and ...
... blight , caused by the fungus Phytophthora infestans , may nearly completely defoliate susceptible plants . This ... Early blight ( Alternaria solani ) , also a fungal disease , is often con- fused with late blight . The " early " and ...
Page 3
... early blight . Some control of early blight may be obtained with fungicidal sprays ( 6,8 ) . Ground sprayers seem to work best but since early blight is a late sea- son disease , often potato vines have closed the space between rows and ...
... early blight . Some control of early blight may be obtained with fungicidal sprays ( 6,8 ) . Ground sprayers seem to work best but since early blight is a late sea- son disease , often potato vines have closed the space between rows and ...
Page 6
... early blight in eastern and southcentral Idaho . Amer . Potato J. 51 : 361-368 . Easton , G. D. , M. E. Nagle , and D. L. Bailey . 1972. Verticillium albo - atrum carried by certified seed potatoes into Washington and control by ...
... early blight in eastern and southcentral Idaho . Amer . Potato J. 51 : 361-368 . Easton , G. D. , M. E. Nagle , and D. L. Bailey . 1972. Verticillium albo - atrum carried by certified seed potatoes into Washington and control by ...
Common terms and phrases
acre affect AGRICULTURE aphids appear assumed bacterial bacterium Blackleg Symptoms Blight conditions brownish burlap bags Canada sampled carried cause a wilt certified seed potatoes cluding common contamination control of early Corynebacterium crop of potatoes cutting and planting difficult to identify diseases found DISEASES OF POTATOES disinfectant duce early blight early dying ease equipment erance exhibit fect field found in Wyoming frost damage fungicidal sprays fungus Fusarium grower healthy plants humidity Idaho increase infected plants Infected tubers late blight Leafroll leaves lesions losses lots main source million plants necrosis net necrosis occurs pathogen perature plants grown potato diseases PROBLEM DISEASES produced relatively Rhizoctonia solani Ringrot Ringrot rotation sclerotia serious similar Softrot soil infestation spores spread sprinkler irrigation stage of growth steam stem storage surface susceptible symp taminate Temperature tions transmit tuber infection UNIVERSITY OF ILLINOIS varieties vascular ring vascular system Verticillium albo-atrum vines virus free zero tol