. Krankheiten aus Baumwolle, Zuckerrohr, Wald, Bäume, Zierpflanzen und verschiedene Pflanzen in den Vereinigten Staaten im Jahre 1919. Fibre Pflanzen Krankheiten und Schädlinge United States; Zucker Pflanzen Krankheiten und Schädlinge United States; Bäume Krankheiten und Schädlinge United States; Pflanzen, Zierpflanzen Krankheiten und Schädlinge in den Vereinigten Staaten. Rot Rot und roten Streifen wurden aus Georgia, Florida, Alatama, Louisiana und Texas berichtet. In Louisiana die Krankheit weit verbreitet war. In atundant Alatama es war. Grube.. 5*^. Zeigt die Lage der Gebiete, die von rot rot im südlichen Zuckerrohr Gürtel. Ummantelung Sclerotium rolfsii rot, verursacht durch Sacc,. Ummantelung rot ist

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. Diseases of cotton, sugar cane, forest trees, ornamentals and miscellaneous plants in the United States in 1919. Fiber plants Diseases and pests United States; Sugar crops Diseases and pests United States; Trees Diseases and pests United States; Plants, Ornamental Diseases and pests United States. Red rot and red stripe were reported from Georgia, Florida, Alatama, Louisiana and Texas. In Louisiana the disease was prevalent. In Alatama it was atundant. Pit.. 5*^. Showing the location of areas of red rot in the southern cane belt. Sheath rot caused by Sclerotium rolfsii Sacc, . Sheath rot was i-eported froia Geort;ia, Florida, Alabama and Louisiana. As shown in Pi^. 53 i"*"- ^^as very prev- alent over a lar^ie area in Louisiana. In the other states in which it was found it was mostly of lo- cal occurrence. In Georgia there were occasional losa- fea of as hi/:h as 5/°' Ii^ Louisiana there were local hit, h crop injuries but practically no losses. In other states repcrtin, ; the losses vvere slif^ht. Fit, . 53' Showing the location of areas of sheath rot in the southern cane belt. Other Diseases Leaf spot or ring rot Cctused by Leptosphaeria. sacchari Van E. de H. vvas general in Mabama, where it brought about considerable loss. Root knot caused by Heterqdera sp. was present in Georgia and Florida. In Georgia the nematode was of general prevalence. The crop injuries ranged from 0-^0% in cases of local infestations. The estimated loss averaged about 1%. Pineapple disease caused by Thielaviopsis paradoxa De Seynes and Hohn was reported to have Leen occasionally present in Louisiana. The injury and loss. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Martin, G. Hamilton; United States. Plant Disease Survey. [Washington, D. C. ] : Plant Disease Survey, Bureau of Plant Industry, United States D

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• bookcentury1900
• bookcollectionbiod
• bookdecade1920
• bookyear1920