TY - BOOK ID - 133994723 TI - Downy mildew of tobacco, published by U.S. Dept. of Agriculture PY - 1933 PB - Washington, D.C U.S. Dept. of Agriculture DB - UniCat KW - Diseases and pests KW - Tobacco KW - Tobacco blue mold UR - https://www.unicat.be/uniCat?func=search&query=sysid:133994723 AB - ER -