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173 move along gradients of attractants produced around females in the water film that surrounds soil particles. That the attractant is not volatile was confirmed by tests showing that the redissolved secretions from females were as attractive to males after they were dried, either in vacuum at 35° or in air at 45°, as they were before drying. Fig. 1. The position of the female in the experiments. a, female on uncovered agar surface; b, female in agar on coverglass not touching lower agar surface; c, female on lower agar surface below coverglass. GREEN, C. D. (1966). Orientation of male Heterodera rostochiensis Woll. and H. schachtii Schm. to their females, Ann. appl. Biol. 58, 327-334. GREET, D. N. (1964). Observations on sexual attraction and copulation in the nematode Pana- grolaimus rigidus (Schneider). Nature, Lond. 204, 96-97. KLINGLER, J. (1963). Die Orientierung von Ditylenchus dipsaci in gemessenen kunstlichen und biologischen C02-Gradienten. Nematologica 9, 185-199. SHORT COMMUNICATIONS D. STOYANOV 1): Additions to host records of Meloidogyne sp., Helicotylenchus multicinctus and Rotylenchulus reniformis. The following list gives the names of new host plants of Meloidogyne sp., Helicotylenchus multicinctus (Cobb), and Rotylenchulus reniformis Linford & Oliveira, which I found in Cuba, during 1965 and 1966. They do not appear to have been reported earlier (Goodey, Franklin & Hooper, 1965). For Meloidogyne sp.: Calotropis procera (Ait.) R. Br., Lepidium virginicum L., Maranta arun- dinacea L., Musa martinii L. For H. multicinctus: Allium cepa L., Allium sativum L., Amaranthus viridis Lin., Beta vulgaris L., Brassica oleracea L. v. capitata, Brassica napus L., Cajanus indicus Spreng., Calophyllum brasiliense Camb. var. antil., Canavallia ensiformis (L.) o.c., Citrullus vulgaris Schrad., Cucumis melo L., Cucurbita moschata Duch., Daucus carota var. sativus (Hoffm.) Thell., Glycine hispida Max., Gossypium hispida Max., Gossypium hirsutum L., Hibiscus esculentus Lin., Lactuca sativa L., Lepidium virginicum L., Malvastrum coromandelianum L., Musa martinii L., Phaseolus lunatus L., Phaseolus vulgaris, Pisum sativum L., Portulacca oleracea L., Raphanus sativus L., Ricinus communis L., Sesamum indicum L., Solanum melongena L., Stizolobium deeringianum Bort., Vigna sinensis Endl., Vigna sesquipedalis Fruw. For R. reniformis: Allium sativum L., Amaranthus viridis Lin., Argemone mexicana L., Bidens pilosa L., Brassica napus L., Canavallia ensiformis (L.) o.c., Coffea arabica L., Cucurbita moschata Duch., Dioscorea polygonoides H. et B., Helianthras annuus L., Lepidium virginicum L., Rottboellia exaltata L., Momordica balsamina L., Musa martinii L., Parthenium crispum (Mill.) Airy-Shaw, Pueraria phaseoloides Benth., Ricinus communis L., Sesamum indicum L., Sida rhombifolia L., V ernonia cinerea (1.) Less., Xanthosoma sagitti f oliuna Schott. I thank prof. Dr. JULIAN ACUNIA GALE - from the Agricultural Experiment Station, Santiago Las Vegas - for determination of the weeds. GOODEY, J. B., FRANKLIN, M. T. & HOOPER, D. J. (1965). T. Goodey's The nematode parasites of plants catalogued under their hosts. Farnham Royal, England: Commonw. agric. Bur. 214 pp. 1) Plant Protection Institute, Sofia-Kostinbrod, Bulgaria.
Nematologica – Brill
Published: Jan 1, 1967
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