Histological modifications induced by Meloidogyne hapla in the roots of the weed Taraxacum officinale growing in Argentina are described. The nematode reached the mature female stage and produced the typical gelatinous matrix with eggs. The weed is widely distributed throughout the country and as...

Six pineapple (Ananas comosus) clones were assessed for tolerance and resistance to P. brachyurus under controlled conditions using 845 or 1690 nematodes/plant as inoculum (Pi). In the final population (Pf), the clones were compared (resistance assessment) 5 months after inoculation. Root damage...

Xiphinema vuittenezi is one of the most widespread Xiphinema species in Serbia. Morphometric variability of females, males and four juvenile stages are presented. The occurrence of spindle shaped spines in the uterus is reported and illustrated.

Hirschmanniella caribbeana sp. nov. is described and figured from mangrove vegetation from Guadeloupe. Females are characterised by the tail terminus having two lateral peg-like projections with a smaller, irregular intermediate projection, a low, rounded lip region with five to six annuli, a 17-20 ...

Globodera rostochiensis is recorded for the first time in Lebanon. Eleven out of 65 (17%) sampled fields in the central Bekaa region were positive. The determination was confirmed using various techniques.

The impact of date palm [Phoenix dactylifera] tissues heavily infested with the red palm weevil, Rhynchophorus ferrugineus on five entomopathogenic nematode strains was investigated under laboratory conditions. Juveniles of the five strains were killed within 24 h when placed on the infested...

The rice-wheat cropping system is one of the most important cropping system in India. During a survey of rice crop in the rice-wheat growing region of Himachal Pradesh (India), a cyst nematode species was found in the fields in village Skoh, district Kangra. Detailed studies on the morphology of...

From 1997 to 1998, lily (Lilium spp.) diseases in Fujian were surveyed and identified. There were 22 diseases in all, including those caused by fungi, bacteria, viruses, physiological factors, nematodes and mites. Fungus diseases (12 kinds) are most common and serious. Among the diseases, ...

Symptoms, pathogen and disease characteristics, host range, geographic distribution, nomenclature discrepancies, and the likelihood of seed transmission for the pathogens are summarized for bacterial, fungal, viral, nematode and weed (Striga hermonthica and S. asiatica) diseases on pearl millet....

The principal pathways by which forest pathogens and pests enter New Zealand are in debris inadvertently trapped in cargo (both sea and air) as well as in imported used vehicles. The regions which dominate trade and passenger travel are Australasia and the Northern Hemisphere, and they are also the ...