00777cam a22002651  4500001001300000003000400013005001700017008004100034010001700075015001400092035001800106040005900124042001200183050001500195082000800210100004200218245003300260250001200293260003500305300003100340440005800371504002900429650003600458999001700494agr52000409 DLC20260227111016.0740830s1952    nyua     b    000 0 eng c  aagr52000409   aGB52-5658  a(OCoLC)993794  aU.S. Dept. of Agr. LibrarycPSrSdOCoLCdNcRSdUkdDLC  apremarc00aSB732b.W3  a6351 aWalker, J. C.q(John Charles),d1893-10aDiseases of vegetable crops.  a1st ed.  aNew York,bMcGraw-Hill,c1952.  aix, 529 p.billus.c24 cm. 0aMcGraw-Hill publications in the agricultural sciences  aIncludes bibliographies. 0aVegetablesxDiseases and pests.  c11451d11451