. Diseases of fruit crops in the United States in 1920. Fruit Diseases and pests United States. 45 Anthracnose caused by Jieofabraen .-n-iliCLrtiq^is (Cord.) Jackson This disease is found cily in the Norfivject where it is especially serious west of the Ca?-Cads I/icix'.taxns In V,'^,ton and Oregon. During 1920 the disease caused ve^'y sevei e l-ijiiry in thxs region. The reason for this unusual severity is esiplainsd "below, Oregon (Barss)- Great severity and general distribution of this disease threughout v/estern Oregon. Damage to trees and crop was severest in years. The severe
. Diseases of fruit crops in the United States in 1920. Fruit Diseases and pests United States. 45 Anthracnose caused by Jieofabraen .-n-iliCLrtiq^is (Cord.) Jackson This disease is found cily in the Norfivject where it is especially serious west of the Ca?-Cads I/icix'.taxns In V,'^,ton and Oregon. During 1920 the disease caused ve^'y sevei e l-ijiiry in thxs region. The reason for this unusual severity is esiplainsd "below, Oregon (Barss)- Great severity and general distribution of this disease threughout v/estern Oregon. Damage to trees and crop was severest in years. The severe freeze of last December rendered bark tissues subject to a spread of infections at a rate often many times greater than usual, A big crop and scarce labor larrt fall resulted in great delay or even abajtidonnent of fall anthracnose spray with consequent rapid increase in nvjnDer of \Vashington (Heald and Dana)- More than average year. Disease on the increase urobably on account of the severe v/inter. Table I3 . Losses from anthracnose caused by Neofabraea rri3^'-jSi2I^-SAl' as shown by examination of cars at destination by inspectors of the Bureau of Maricets, 1920, Origin of shipment percvn-^age of de No. cars ay. Percer.'.t Remarks as to seriousness of decay February 5 - May ^, 1920 Oregon Vi'ashington Total December 1'^ - 30, 1920 Oregon. 1-14 1-23 3-25 Associated with blue mold in 2 oars. Associated with blue mold in Grand total _24 To'cal number of oars inspected 35^4 i^uropean canker caused by Nsotria gall i gen a Eres. A surrmary of the occurrence .f this dlse'ise in the United States appeared in the Plant Disease Biilletin, 1^ page I4, 1919- _ ^923 it was reported from only three states, Nev,'__Zcr£C, Viyufnia and lli2;B£ix> in none of these was it regaraed as important. These are the first reports of European canker'from Illinoia and Yirg?nla. It v-as found in a single tree at Meekin, Stephenson County, lllincis . In Vjr^nia Prcnme report
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1921