Summary
A disease of grape vines cultivated in glasshouses is described. The symptoms proved to be identical with those of the dead-arm disease, which occurs in the U.S.A. The fungus isolated from diseased stems is aPhomopsis-species like the one isolated byGoidanich in Italy. It may be identical to the fungus causing dead-arm disease, as described byReddick. Pycnidia with normal pycnospores and scolecospores are to be found on the trunks.
The symptoms are a wilting and dying off of part of the vine and the presence of „longitudinal ribbed excrescences on the trunk” as described bijReddick. A rot of berries and necrotic lesions on young shoots have not yet been found. Tumors caused byBacterium tumefaciensSm. etTowns. and aSphaeropsis-species are sometimes accompanying the attack byPhomopsis.
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Literatuur
- 1.Coleman, Leslie C., The dead-arm disease of grapes in Ontario. Sc. Agric. VIII: 5, 1928, p. 281–315.Google Scholar
- 2.Diedicke, H., Kryptogamenflora der Mark Brandenburg 1915, p. 277.Google Scholar
- 3.Du Plessis, S. J., The occurrence of the dead-arm disease of vines in South Africa. Dep. of Agric. and For. Sc. Bull. 29, 1938.Google Scholar
- 4.Goidanich, G., Notizie su una malattia della vite poco conosciuta. Rendic. R. Accad. Naz. Lincei XXVI, 1937, p. 107–112.Google Scholar
- 5.Gregory, C. T., A rot of grapes caused bij Cryptosporella viticola. Journal of Phytopathology III: 1, 1913, p. 29–33.Google Scholar
- 6.Grove, W. B., British stem and leaf fungi. Vol. I, 1935, p. 237.Google Scholar
- 7.Hewitt, W. B., Dead-arm disease, of the grape vine in California. Blue anchor XIV, 1937, p. 3 and 26.Google Scholar
- 8.Hiura, M., On the root-neck blight of the vines near Sapporo. Journ. Agric. Forest Soc. Sapporo, XVI, p. 63–78, 1924. ref. Rev. Appl. Myc. IV, p. 650, 1925.Google Scholar
- 9.Niemeyer, L., Die durch Pseudomonas tumefaciens Sm. et Towns. verursachte Mauke der Weinreben. Centr. Bl. Bakt. II, XCII, p. 116–162, 1935.Google Scholar
- 10.Petri, L., Rassegno dei casi fitopatologici osservati nel 1939. Boll. R. Staz. patol. veg. Roma XX, 1940, No. 1, p. 4.Google Scholar
- 11.Poeteren, N. van, Verslag over de werkzaamheden van den plantenziektenkundigen dienst over het jaar 1935, p. 18, 1936.Google Scholar
- 12.Reddick, D., Necrosis of the grape vine. Bull. Cornell Univ. Agric. Exp. St. 263, 1909.Google Scholar
- 13.Reddick, D., Dead-arm disease of grapes. Bull. N.Y. Agr. Exp. St. Geneva 389, 1914.Google Scholar
- 14.Selby, A. D. andVan Hook, J. M., Dying of bearing grape vines. Ohio Agr. Exp. St. Circ. 64, p. 1–6, 1907.Google Scholar
- 15.Saccardo, P. A., Notae Mycologicae Series XIX. Ann. Myc. XIII, p. 115, 1915.Google Scholar
- 16.Shear, C. L., The ascogenous form of the fungus causing dead-disease of the grape. Phytopathology I 1911, p. 116.Google Scholar
- 17.Wehmeyer, L. E., The genus Diaporthe Nitschke and its segregates. Univ. of Michigan Studies Sc. Ser. IX, 1933, p. 110.Google Scholar
- 18.Willison, R. S., Wound-gum in peaches and grapes. Sc. Agric. XII, 1932.Google Scholar