. Conn. L-^ g. 13- Occurrence of bacterial plum in 1321. r"':?ot of Pockets caused by Exoascus pruni (Berk.) Pclcl. and 2. ^^is Sad. A larger number of state reports of plum pockets wore received this year than usual. This does not necessarily indicate an increased prevalence of tlic disease, hov/cvcr, but may be diAc to the fact that collaborators were furnished labeled questionnaires concerning this disease. The following states reported the disease in I92I: New Hampshire, North Carolina, , Indiana; Illinois, I/dchigan, V'isconsin, 'linnusota, lo'.va, IJorth Da.:ota,
. Conn. L-^ g. 13- Occurrence of bacterial plum in 1321. r"':?ot of Pockets caused by Exoascus pruni (Berk.) Pclcl. and 2. ^^is Sad. A larger number of state reports of plum pockets wore received this year than usual. This does not necessarily indicate an increased prevalence of tlic disease, hov/cvcr, but may be diAc to the fact that collaborators were furnished labeled questionnaires concerning this disease. The following states reported the disease in I92I: New Hampshire, North Carolina, , Indiana; Illinois, I/dchigan, V'isconsin, 'linnusota, lo'.va, IJorth Da.:ota, and Kanras. In cases it was said to be present in about the sare amounts as, or less than, the average, but in Illinois, Anderson reports leaf curl and deformed twigs caused by Exoascus as considerably worse than usual, and of importance locally. Collaborators in the tier of states from lichigan to North , mentioned that the disease is particularly important on Prunus a:.:ericana Harsh. This species seems to be particularly susceptible t,o pl'am poclc-ts. In some of the other states also the disease is reported as especially corimon on some of the wi plims, which may, or raay not be ?. Regarding the range of this species of plum, I-Iedrick (Kedrick, U. '?. The plums of Now York. Hew York
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1922
