TY - BOOK AU - Pierce,Newton Barris TI - Peach leaf curl: its nature and treatment T2 - U. S. Dept. of agriculture. Division of vegetable physiology and pathology. Bulletin AV - SB623 .A2 no. 20 PY - 1900/// CY - Washington PB - Govt. print. off. KW - Peach leaf-curl N1 - Each plate accompanied by leaf of descriptive letterpress; Published also as H. doc. 694, 56th Cong., 1st sess. [serial no. 4000] ER -