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19 VAN DEN BRANDE, J., R. H. KIPS, & J. D'HERDE (1954), Invloed van de voch- tigheid bij de scheikundige bestrijding van het aardappelcystenaaltje, Hetero- dera rostochiensis, Woll. - Meded. Landbouwhogeschool Gent, 19: 353-372. DISCUSSION B. G. PETERS: On producing root secretion by growing tubers in hyacinth glasses is pure water used, or a nutrient solution ? LES AUTEURS: In this technique only ordinary tapwater is used. J. H. SCHUURMANS STEKHOVEN: Can you give me any information about the phytotoxicity of the nematicides used on potatoes? LES AUTEURS: Notre experience concerne surtout le DD applique en terrain sablonneux. Nous n'avons pas observe de degats lorsque l'application du nema- ticide precedait la culture d'au moins un mois. Le traitement pendant la v6g6- tation, m?me ? la faible dose de 2 1 par a, s'est avere tres nuisible. NEW NAMES PROPOSED FOR THREE HOMONYMS *) BY J. H. SCHUURMANS STEKHOVEN (Biological Laboratory Noury en Van der Lande, Deventer) Dr. E. W. Price of the Zoological Department of the U.S. Bureau of Animal Industry, informed me that the species Phanodervna elegans Schuurmans Stekhoven 1950 (Mem. Inst. Roy. Sc. Nat. Belg., 2.s. (37) 220 pp.) is preoccupied by Phanoderina,elegans Ditlevsen, confer: Schuurmans Stekhoven 1946, p. 14 and that the species Symplocostoma longiseta Schuurmans Stek'hoven 1950 is already preoccupied by Symplocostoma longiseta Micoletzky H. 193°, p. 305-307 (Vidensk. Medd. Dansh. Naturk. Forening Kobenhavn, 87: 243-339. 1929-30), whereas Anoncholaimus Schuurmans Stekhoven 1950 is preoccupied by AnonchoZ,aimus Cobb N.A. 1920 (Contributions to the Science of Nematology Cobb 9, pp. 220-221). In their place the following names are proposed for these Homonyms: a. Phanoderma falcicauda ifor Phanoderma elegans Schuurmans Stek- hoven 1950. b. Symplocostoma obtusidens for Symplocoston2a longiseta Schuurmans Stekhoven ig5o. c. Bradyb.ucca for Anoncholaiyvcus Schuurmans Stekhoven 1950.
Nematologica – Brill
Published: Jan 1, 1956
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