Nematropica  

Editors

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V. Carpentieri-Pipolo, J. M. G. Mandarino, M. C. Carrao-Panizzi, A. Souza, A. Kikuchi

The accumulation of isoflavonoids has been associated with a incompatible response of soybean roots to infection by the root-knot nematode. Soybean isoflavonoids have been proposed to have many effects on host-pathogen interactions. The phytoalexin accumu... see more

A. Piedra Buena, M. A. Diez-Rojo, A. Bello, L. Robertson, J. A. Lopez-Perez, M. Escuer, L. de Leon

The virulence of 33 populations of Meloidogyne incognita collected from greenhouses under monoculture and crop rotation was studied to evaluate the influence of the cropping system on the selection of virulent biotypes in Uruguay, using bioassays includin... see more

S. R. Usery Jr., K. S. Lawrence, G. W. Lawrence, C. H. Burmester

Transgenic and conventional cotton cultivars were examined in the greenhouse and two field locations for resistance and tolerance to R. reniformis. Greenhouse evaluations of 52 cotton cultivars found all cotton cultivars tested were susceptible to R. reni... see more

A. Mani, A., Z. A. Handoo, S. Livingston

Surveys were conducted in the Batinah, Interior, Sharqia and Dhahira regions and in the Musandam governorate in the Sultanate of Oman to study the occurrence, population density and geographical distribution of phytoparasitic nematodes associated with dat... see more

G. B. Anaya C., N. Jiminez Perez, D. Rodriguez, R. Crozzoli, N. Greco

The response of 15 genetically improved potato clones, resistant to Phytophthora infestans, to a Venezuelan population of G. rostochiensis pathotype Ro2, was evaluated in pots outdoors. Potato plants were grown in pots containing soil infested with 20 egg... see more

A. A. Adegbite, N. A. Amusa, G. O. Agbaje, L. B. Taiwo

Field studies were conducted in 2002 and 2003 to assess the reaction of 15 varieties of cowpea for resistance to a natural infestation of Meloidogyne incognita race 2. Ten weeks after planting; ten randomly selected plants per treatment were examined for ... see more

R. N. Inserra, L. W. Duncan, D. Dunn, Z. A. Handoo, A. Troccoli, J. Rowe

Pratylenchus jordanensis paratypes from the Rothamsted Nematode Collection in England and three populations from Oman deposited at the USDA Nematode Collection, Beltsville, U.S.A. were used for morphological analyses by light (LM) and scanning electron mi... see more

Editors

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