Electrophoretic separation of dsRNA genome segments from maize wallaby ear virus and its relationship to other phytoreoviruses

Reddy, D. V. R.; Grylls, NE; Black, L. M.

doi:10.1016/0042-6822(76)90058-1

Cited by 20 publications

(3 citation statements)

References 15 publications

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“…Among these cereals, severe damage by C. bipunctata was reported on maize in several countries such as Australia (Grylls, 1975) and the Philippines (Agati and Calica, 1949;Maramorosch et al, 1961). Previous studies attributed this damage to a leafhopper-transmitted virus (Agati and Calica, 1949;Maramorosch et al, 1961;Grylls, 1975;Reddy et al, 1976;Boccardo et al, 1980), however, recent studies suggest that chemicals injected by C. bipunctata while feeding are responsible (e.g., Ofori and Francki, 1983;Ohata, 1993;Kawano, 1994). Therefore the damage is considered a sort of insect gall, but the mechanism inducing this response is still unknown.…”

Section: Introductionmentioning

confidence: 96%

Effect of temperature on the development and reproduction of the maize orange leafhopper Cicadulina bipunctata (Melichar) (Homoptera: Cicadellidae)

Tokuda

Matsumura

2005

Appl. Entomol. Zool.

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Cicadulina bipunctata (Melichar) (Homoptera: Cicadellidae) is a pest of the second planting of forage maize in central Kyushu, Japan. The effect of temperature on the development and reproduction of C. bipunctata was examined in laboratory experiments. The survivorship of eggs and nymphs was the highest at 25.3°C. The developmental periods of eggs and nymphs were significantly shortened as the temperature was increased up to 34.0°C. The developmental zero (T 0 ) was estimated at 14.0°C for eggs and female nymphs, 14.2°C for male nymphs, and 15.9°C for preoviposition period. A thermal constant (K) of 118.1, 182.7, 176.9, and 39.5 degree-days was estimated as the effective temperature sums for the development of the eggs, female nymphs, male nymphs, and preoviposition period, respectively. Adult longevity and fecundity were higher than those of other rice-associated leafhoppers, while net reproductive rate (R 0 ) and intrinsic rate of natural increase (r m ) were lower than those of other rice-associated leafhoppers. An increase of 1.29 and 1.43 generations per year following global warming was estimated for C. bipunctata by 2100, relative to 1990, in Kumamoto and Miyazaki, Japan, respectively. Thus, C. bipunctata has the potential to become a serious pest of cereal crops other than the second planting of forage maize.

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Section: Introductionmentioning

confidence: 96%

Effect of temperature on the development and reproduction of the maize orange leafhopper Cicadulina bipunctata (Melichar) (Homoptera: Cicadellidae)

Tokuda

Matsumura

2005

Appl. Entomol. Zool.

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“…Reovirus-like particles (Matthews, 1982) have been detected in C. bimaculata (Grylls, 1975;Reddy, Grylls & Black, 1976;Boccardo, Hatta, Francki & Grivell, 1980) and were referred to as leafhopper A virus (LAV) by Boccardo et al (1980). Grylls (1975) selected a colony of C. bimaculata whose individuals were unable to induce MWED and neither he nor Boccardo et al…”

Section: Introductionmentioning

confidence: 99%

Evidence that maize wallaby ear disease is caused by an insect toxin

Ofori

Francki

1983

Annals of Applied Biology

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S U M M A R YColonies of the leafhopper Cicadulina bimaculata were established from single male and female insects raised from surface sterilised eggs and shown to be free of leafhopper A virus (LAV). Insects from these colonies were as capable of inducing maize wallaby ear disease (MWED) in maize seedlings as those with LAV indicating that the virus is not involved in the etiology of MWED.Maize seedlings colonised by C. bimaculata in glasshouse trials developed initial MWED symptoms within 6-8 days of infestation. The symptoms intensified thereafter and many plants died after more than 16 days' exposure, even after the insects were killed with insecticide. However, when freed from the insects before symptoms became very severe, plants recovered and assumed normal growth. These observations support the view that MWED is caused by an insect toxin.

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“…Although previous studies attributed the symptoms to a leafhopper-transmitted virus (Agati and Calica 1949;Maramorosch et al 1961;Grylls 1975;Reddy et al 1976;Boccardo et al 1980), recent studies have recognized that some chemicals injected by C. bipunctata during feeding are responsible for gall induction (Ofori and Francki 1983;Ohata 1993;Kawano 1994;Matsukura et al 2012a). Galls are induced only on leaves which are newly expanding during leafhopper feeding, but not on leaves already developed or those which expand after the removal of leafhoppers (Ofori and Francki 1983;Ohata 1993;Matsukura et al 2009b).…”

Section: Introductionmentioning

confidence: 99%

Occurrence of Cicadulina bipunctata (Hemiptera: Cicadellidae) in southwestern Shikoku, Japan and comparisons of gall-inducing ability between Kyushu and Shikoku populations

et al. 2014

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Electrophoretic separation of dsRNA genome segments from maize wallaby ear virus and its relationship to other phytoreoviruses

Cited by 20 publications

References 15 publications

Effect of temperature on the development and reproduction of the maize orange leafhopper Cicadulina bipunctata (Melichar) (Homoptera: Cicadellidae)

Effect of temperature on the development and reproduction of the maize orange leafhopper Cicadulina bipunctata (Melichar) (Homoptera: Cicadellidae)

Evidence that maize wallaby ear disease is caused by an insect toxin

Occurrence of Cicadulina bipunctata (Hemiptera: Cicadellidae) in southwestern Shikoku, Japan and comparisons of gall-inducing ability between Kyushu and Shikoku populations

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