00332nam a2200121Ia 4500008004100000100002100041245004900062260003200111300001000143650001900153650002100172700001700193220216s9999    xx            000 0 und d  aRamakrishnan T S 0aSpearhead drying of bark above the bud union  bRubber Board Bulletinc1962  a57-58  aRubber disease  aSpearhead drying  aPillai P N R