000 00652cam a22002051 4500
999 _c1211
_d1211
001 2471
005 20200818111717.0
008 770602s1957 nyua b 000 0 eng
040 _cOT
082 _a581.2
_bW1772
100 1 _aWalker, J. C.
245 0 0 _aPlant pathology
_c/ NJohn Charles Walker
250 _a2nd ed.
260 _aNew York :
_bMcGraw-Hill,
_c1957
300 _a707 p. :
_billus.
_c24 cm.
500 _aincludes index
650 0 _aPlant diseases.
942 _cBK
505 0 _a1. Introduction 2. History of plant pathology 3. Non parasitic diseases 4. Disease incited by plasmodiophorases 5. Disease incited by phycomycetes