18 articles in this issue
F. Lamberti, F. Ciccarese, N. Sasanelli, A. Ambrico, T. D'Addabbo, D. Schiavone
The relationships between the plant parasitic nematodes Meloidogyne incognita and Pratylenchus vublUS and the fungus Verticillium dahliae were studied on the two olive cultivars Leccino and Pendolino. One year old rooted cuttings were planted in July 1998... see more
A. Zullini, P. A. A. Loof, T. Bongers
Standardized methods for determining the index c' are proposed to ensure universal comparability of morphometries,
N. Jiminez, R. Crozzoli, P. Petit, N. Greco
Se realizo un estudio para determinar los nematodos fitoparasiticos asociados con la pina (Ananas comosus) importante cultivo en Venezuela. Se colectaron 480 muestras de suelo y rakes procedentes de plantaciones de los estados Lara y Trujillo. Se identifi... see more
R. Pandey, N. Pant, D. C. Jain, A. Kalra
Extracts of two medicinal plants, Curcuma aromatica and Swertia chirata, showed a marked nematicidal and nematode-hatching inhibitory activity against root-knot nematode, Meloidogvne incognita. The nematicidal activity differed between extracts and plants... see more
M. Nagesh, P. Parvatha Reddy, N. Rama
The supplementation of castor and neem oil cakes with nitrogen, phosphorus and potassium in the form of inorganic fertilizers, had an additive effect on the mycelial growth and sporulation of Paecilomyces lilacinus, and enhanced its mycelial mat weight, d... see more
F. Abbad Andaloussi
Screenings for resistance to Ditylenchus dipsaci in Viciafaha were conducted in the field from 1990 to 1998 in Morocco. Two hundred thirty two cultivars of INRA-Morocco collection, seven resistant lines of germplasm of ICARDA (Syria), the line 29H of the ... see more
V. Insunza, E. Aballay, J. Macaya
Nematicidal activity of aqueous extracts prepared from 30 plant species was screened on a Chilean population of Xiphinema index. The extracts were tested at a standard concentration of 1:4 W IV in fresh plant material, or 1:20 W Iv in air-dried plant part... see more
K. Gonzalez, R. Crozzoli, N. Greco
Se evaluo, en macetas, el efecto nematicida del follaje (5000 kg/ha) de Leucaena /eltcocephala (leuGlena), Calotropis procera (algod6n de seda) y Cyperus rotundus (corocillo) aplicado como abono verde 0 extracto acuoso, sobre diferentes poblaciones inicia... see more
P. Oduor-Owino, S. W. Waudo
In-ultro experiments were conducted to evaluate the effect of sodium hypochlorite (NaOCl), chloramphenicol and streptomycin sulphate on the parasitism of Meloidogyne jauanica eggs and growth of the nematode egg parasite, Paecilomyces lilacinus. The percen... see more
F. Abbad Andaloussi, J. Bachikh
Severe damage due to Ditylenchus dipsaci was observed on garlic, onion, peas, alfalfa, sugar beet and oat during surveys conducted in different regions of Morocco. The infestation rate in these crops was high and ranged from 55 to 100%. The nematode repro... see more
M. E. Doucet, P. Lax, A. Giayetto, A. Di Rienzo
La parte aerea de plantas de soja cultivadas en lotes atacados par Heterodera glycines mostro apariencia muy diferente. El aspecto de las plantas no represento un indicador de la presencia o ausencia del nematodo. Es necesario efectuar analisis espedficos... see more
S. Molinari
Esterase isozyme patterns obtained with an automated electrophoretic apparatus have been used to detect phenotypic variability of forty-one Meloidogyne populations collected from countries throughout the world. Three previously undetected phenotypes have ... see more
F. Lamberti, R. M. Lemos, N. Sasanelli, S. Molinari, I. M. de O. Abrantes, J. Silva, A. Villalobos
Realizaram-se, em Portugal, ensaios para avaliar o efeito de alguns nematodicidas sobre os nematodes-das-galhas-radiculares Meloidogyne incoguita raca 3, em pepino, numa estufa, em Torres Vedras e M. arenaria raca 3, em tomate de ar livre, em Azambuia. Os... see more
G. R. Niknam, M. R. Karimi, S. C. Dhawan
Suba'nguina sp. is repolted from galled leaves of Serratula latijolia in Iran.
M. Di Vito, N. Greco, R. S. Malhotra, K. B. Singh, M. C. Saxena, F. Catalano
Investigations were undertaken in 1994-96 to asses differences in the reproduction of eight populations of the chickpea cyst nematode, Heterodera Gicer?, from Jordan, Lebanon, Syria and Turkey on twenty-one plant species. Two sets of plastic pots, contain... see more
L. Waeyenberge, M. Moens
During a Meloidogyne survey in Belgium a total of 2877 soil and root samples were taken. Rootknot nematodes were found in 9.2% of the samples. The species were identified according to morphological, morphometrical, biochemical, and molecular characters. T... see more
N. I. Ali, A. Siddiqui, M. J. Zaki, S. S. Shaukat
Extracts of Lantana camara in organic solvents caused significant mortality of MeloidogY71ejacanica juveniles in citro. Aqueous and methanolic extracts demonstrated greater inhibition compared to ethyl acetate or hexane extracts indicating that active pri... see more
A. Mokabli, S. Valette, R. Rivoal
Par electrophorese sur gels d'acetate de cellulose, nous avons tente de caracteriser des populations de quatre especes de nematodes a kystes des cereales et des graminees Heterodem avenae, H. filipjevi, H. latipons et H. mani. Trois enzymes (esterase, mal... see more