Effects of sub-lethal imidacloprid levels on potato leafroll virus transmission by Myzus persicae

2002 ◽  
Vol 103 (3) ◽  
pp. 249-255 ◽  
Author(s):  
Thomas M. Mowry ◽  
John D. Ophus
Keyword(s):  
Myzus Persicae ◽  
Virus Transmission ◽  
Potato Leafroll Virus ◽  
Leafroll Virus

Green peach aphid and potato leafroll virus: transmission and control

2020 ◽  
Author(s):  
R.A. Bagrov ◽  
◽  
V.I. Leunov
Keyword(s):  
Myzus Persicae ◽  
Green Peach Aphid ◽  
Virus Transmission ◽  
Potato Leafroll Virus ◽  
Factors Affecting ◽  
Potato Viruses ◽  
Tuber Necrosis ◽  
Aphid Vectors ◽  
Leafroll Virus ◽  
And Control

The mechanisms of transmission of potato viruses from plants to aphid vectors and from aphids to uninfected plants are described, including the example of the green peach aphid (Myzus persicae, GPA). Factors affecting the spreading of tuber necrosis and its manifestation on plants infected with potato leafroll virus (PLRV) are discussed. Recommendations for PLRV and GPA control in the field are given.

scholarly journals The passage of Potato leafroll virus through Myzus persicae gut membrane regulates transmission efficiency

2001 ◽  
Vol 82 (1) ◽  
pp. 17-23 ◽  
Author(s):  
J. Rouzé-Jouan ◽  
L. Terradot ◽  
F. Pasquer ◽  
S. Tanguy ◽  
D. Giblot Ducray-Bourdin
Keyword(s):  
Amino Acid ◽  
Coat Protein ◽  
Myzus Persicae ◽  
Virus Transmission ◽  
Transmission Efficiency ◽  
Potato Leafroll Virus ◽  
Transmission Process ◽  
Leafroll Virus ◽  
Readthrough Protein

Potato leafroll virus (PLRV) is transmitted by aphids in a persistent manner. Although virus circulation within the aphid leading to transmission has been well characterized, the mechanisms involved in virus recognition at aphid membranes are still poorly understood. One isolate in our collection (PLRV-14.2) has been shown to be non- or only poorly transmitted by some clones of aphids belonging to the Myzus persicae complex. To determine where the transmission process was blocked within the aphid, three virus transmission procedures were used. PLRV-14.2 could not be transmitted, or was only very poorly transmitted, after acquisition from infected plants or from purified preparations. In contrast, it could be transmitted with more than 70% efficiency when microinjected. Therefore, it is concluded that the gut membrane was a barrier regulating passage of PLRV particles from the gut lumen into the haemocoel of M. persicae. Comparison of coat protein (CP) and readthrough protein (RTP) sequences between poorly and readily transmissible isolates showed that PLRV-14.2 differed from other PLRV isolates by amino acid changes in both of these proteins. It is hypothesized that at least some of the changes found in CP and/or RTP reduced virus recognition by aphid gut receptors, resulting in reduced acquisition and subsequent transmission of PLRV-14.2.

Infection of potato plants with potato leafroll virus changes attraction and feeding behaviour of Myzus persicae

2007 ◽  
Vol 125 (2) ◽  
pp. 135-144 ◽  
Author(s):  
A. E. Alvarez ◽  
E. Garzo ◽  
M. Verbeek ◽  
B. Vosman ◽  
M. Dicke ◽  
...  
Keyword(s):  
Myzus Persicae ◽  
Feeding Behaviour ◽  
Potato Leafroll Virus ◽  
Potato Plants ◽  
Leafroll Virus

Life history parameters and feeding preference of the green lacewing Ceraeochrysa cubana fed with virus-free and potato leafroll virus-infected Myzus persicae

BioControl ◽  
2016 ◽  
Vol 61 (6) ◽  
pp. 671-679 ◽  
Author(s):  
Rodrigo L. de Oliveira ◽  
Valéria F. Moscardini ◽  
Pablo C. Gontijo ◽  
Rafaella R. Sâmia ◽  
Rosangela C. Marucci ◽  
...  
Keyword(s):  
Life History ◽  
Myzus Persicae ◽  
Feeding Preference ◽  
Potato Leafroll Virus ◽  
Green Lacewing ◽  
Life History Parameters ◽  
Leafroll Virus
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