. Diseases of fruit and nut crops in the United States in 1921. Fruit Diseases and pests United States; Nuts Diseases and pests United States. PLU!i AT© PRUiS - Bacterial spot 89 Bacterial spot caused by Bacteria": pruni EPS The accompanying map (?ig. 19) shov.'s the distribution and importance of bacterial r-pot of plum as it was reported during 192I. The less due to this disease was estimated at 1% in South Carolina and 3^ in Texas, while in other states it was not rnorc than a trace. Connecticut reported fruit t?pot; Virginia, limb cankers; I'dssissippi, leaf ' , spot; C-eorgia, fruit
. Diseases of fruit and nut crops in the United States in 1921. Fruit Diseases and pests United States; Nuts Diseases and pests United States. PLU!i AT© PRUiS - Bacterial spot 89 Bacterial spot caused by Bacteria": pruni EPS The accompanying map (?ig. 19) shov.'s the distribution and importance of bacterial r-pot of plum as it was reported during 192I. The less due to this disease was estimated at 1% in South Carolina and 3^ in Texas, while in other states it was not rnorc than a trace. Connecticut reported fruit t?pot; Virginia, limb cankers; I'dssissippi, leaf ' , spot; C-eorgia, fruit spot and twig canl:ers; and Texas, leaf spot and twig canlcers, the latter being much more destructive. The varieties affect- ed in Connecticut v/erc Duarte and Santa Rosa. In Georgia thd Japanese varie- ties v/erc said to be cost severely attacked. Legend L =Local =C-^neral - ^Unimportant = Mod e r a tc ly imp o r ta n t + =Important 0 =I\:egativc rer)ort. 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
Size: 1683px × 1485px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1922
