000 | 00859nam a2200229Ia 4500 | ||
---|---|---|---|
008 | 170101s1988 xx 000 0 und d | ||
082 | _aT 634.139.4 M29S | ||
100 | _aMALHI, Avtar Singh | ||
245 | 0 | _aStudies on canker and die back of pear in Punjab | |
250 | _aPlant Pathology | ||
260 |
_aLudhiana _bPAU _c1988 |
||
300 | _a67,1l | ||
520 | _aDisease severity index of canker and dieback of pear caused by Botryodiploda theobromae varied from 12.50 to 55.83% on variety I Patharnakh, 7.50 & 3850% on Bagughosa and 11.50% on Leconte. Disease severity index was maximum on trees of 18 or >18 years ol | ||
650 | _aPEAR -- DISEASES AND PESTS | ||
653 | _aCANKER(PLANT DISEASE) | ||
653 | _aDIE -- BACK OF PEAR | ||
653 | _aFUNGUS | ||
653 | _aPEAR | ||
653 | _aPEAR -- DISEASES AND PESTS | ||
653 | _aPL PATHOLOGY | ||
942 |
_2ddc _cT |
||
999 |
_c96358 _d96358 |