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POPULATION DYNAMICS, HOST PLANTS AND INFECTION RATE WITH STOLBUR PHYTOPLASMA OF HYALESTHES OBSOLETUS SIGNORET IN NORTH-WESTERN ITALY
Results confirm the strong links between H. obsoletus, Bois Noir, and U. dioica in northwestern Italy and the life span of the planthopper was observed on nettle whereas broadbean and grapevine were not suitable for survival.
The mosaic leafhopper Orientus ishidae: host plants, spatial distribution, infectivity, and transmission of 16SrV phytoplasmas to vines.
The transmission of 16SrV phy toplasmas was successful after phytoplasma acquisition from infected broad bean and inoculation on grapevine: this is the first evidence of O. ishidae as a vector for this prokaryote.
Seasonal and Daily Movement of Scaphoideus titanus Ball (Homoptera: Cicadellidae)
Seasonal and daily flight patterns of Scaphoideus titanus Ball were investigated in northern Italy, throughout a 3-yr period, using yellow sticky traps placed in an experimental vineyard, finding this species could be crepuscular or nocturnal and a bimodal flight periodicity is likely.
Dispersal patterns and chromatic response of Scaphoideus titanus Ball (Homoptera Cicadellidae), vector of the phytoplasma agent of grapevine flavescence dorée
Abstract 1 Scaphoideus titanus Ball, a nearctic leafhopper introduced into Europe in the 1950s, is known to be the vector of the phytoplasma agent of flavescence dorée (FD), a persistent disease of…
Tracking the dispersion of Scaphoideus titanus Ball (Hemiptera: Cicadellidae) from wild to cultivated grapevine: use of a novel mark-capture technique.
The dispersion of Scaphoideus titanus Ball adults from wild to cultivated grapevines was studied using a novel mark-capture technique, and there was evidence of long-range dispersal up to 330 m.
Relationships between Ostrinia nubilalis (Lepidoptera: Crambidae) feeding activity, crop technique and mycotoxin contamination of corn kernel in northwestern Italy
The relationships between the feeding activity of Ostrinia nubilalis, crop technique, nitrogen fertilization, irrigation, and use of deltamethrin, and mycotoxin contamination of kernels were studied in Italian corn crop systems to determine the incidence of first- and second-generation larvae.
Spatial distribution of nymphs of Scaphoideus titanus (Homoptera: Cicadellidae) in grapes, and evaluation of sequential sampling plans.
The spatial distribution of the nymphs of Scaphoideus titanus Ball, the vector of grapevine flavescence dorée, was studied by applying Taylor's power law and Green's fixed precision level stop lines seem to be more suitable for field sampling.
Seasonal progression of sex ratio and phytoplasma infection in Scaphoideus titanus Ball (Hemiptera: Cicadellidae).
An interaction between gender and sampling period was observed, the males showing a peak of infected individuals later in the season (35%) and some possible behavioral explanations of the data obtained are given.
Presence of Scaphoideus titanus on American grapevine in woodlands, and infection with "flavescence dorée" phytoplasmas
It may be concluded that woods with AGV can harbour both S. titanus and FDp, but at present they do not seem a serious threat for viticulture if a good pest management is applied.
Spatial patterns of Scaphoideus titanus (Hemiptera: Cicadellidae): a geostatistical and neural network approach
The spatial distribution of the leafhopper Scaphoideus titanus Ball, the vector of the pathogen Flavescence dorée of grapevine, was studied in the Asti Province (Piedmont) Italy and a significant generalization of the infestation levels of S. titanus was achieved.