TY - BOOK ID - 133998708 TI - Plant disease warning service in 1949 PY - 1949 PB - Beltsville, Md Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture DB - UniCat KW - Cucurbitaceae KW - Diseases and pests KW - Downy mildew diseases KW - Forecasting KW - Late blight of potato KW - Lima bean KW - Plant diseases KW - Tobacco blue mold KW - Tomatoes KW - United States UR - https://www.unicat.be/uniCat?func=search&query=sysid:133998708 AB - ER -