Correlation between Migratory Flight of Rice Planthoppers and the Low-Level Jet Stream in Kyushu, Southwestern Japan

Watanabe, Teiji; Sogawa, Kazushige; Hirai, Yoshiro; Tsurumachi, Masaichi; FUKAMACHI, Saburo; Ogawa, Yohsuke

doi:10.1303/aez.26.215

Cited by 23 publications

(11 citation statements)

References 2 publications

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“…The population of the next generation of S. furcifera then increases rapidly in rice fields, and the highest peak of the population appears around late July or early August (Watanabe et al, 1991;Watanabe, 1996). In general, S. furcifera does not hibernate in Japan.…”

Section: Introductionmentioning

confidence: 97%

Induced systemic resistance to rice blast fungus in rice plants infested by white‐backed planthopper

Kanno

Fujita

2003

Entomologia Exp Applicata

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Section: Introductionmentioning

confidence: 97%

Induced systemic resistance to rice blast fungus in rice plants infested by white‐backed planthopper

Kanno

Fujita

2003

Entomologia Exp Applicata

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“…All of the original S. furcifera population emigrates from Mainland China into Japan during the rainy season from early June to early July. Then the population of the next generation of S. furcifera increases rapidly in rice fields, and the highest peak of the population appears at around late July or early August (Watanabe et al, 1991;Watanabe, 1996). At the same time, the rice blast disease caused by M. grisea also commonly develops in rice fields in Japan, especially those in the Kyushu area, and occasionally causes serious damage to the rice plants (Iwano, 1999).…”

Section: Introductionmentioning

confidence: 99%

Some aspects of induced resistance to rice blast fungus, Magnaporthe grisea, in rice plant infested by white-backed planthopper, Sogatella furcifera

Kanno

Satoh

Kimura

et al. 2005

Appl. Entomol. Zool.

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The effect of previous rice plant infestation of the white-backed planthopper, Sogatella furcifera, on the incidence of rice blast disease caused by the fungal pathogen, Magnaporthe grisea, was investigated. The fungal pathogen M. grisea was less likely to cause symptoms of leaf blast on rice plants that had been previously infested with S. furcifera than on uninfested plants. This indicates that resistance to M. grisea was induced in rice plants by infestation of S. furcifera. The number of blast lesions per plant decreased with increasing numbers of infesting S. furcifera from 0 to 10 pairs. The active period of induced resistance was maintained for a relatively long time being greater than 15 d. The difference in the incidence of leaf blast between S. furcifera infested and uninfested plants in the booting stage became smaller than that in the tillering stage, although there was a still significant difference in blast incidence between both infested and uninfested plants in booting stage. There was no significant difference in the incidence of leaf blast between damaged plants treated with needling and untreated control plants. This suggests that the simple mechanical effect to the plants caused by stylet insertion (penetration) and subsequent probing with the feeding behavior of S. furcifera was not related to the observed phenomenon. In S. furcifera infested plants, the expression of two genes regarding b-1,3-glucanase, Gns4 and Gns5, was confirmed by RT-PCR analysis. These results show that infestation of S. furcifera apparently induced physiological changes including gene expression that were related to pathogen resistance to M. grisea in rice plants.

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“…Cycles of rapid population growth and further north and north-eastward migration eventually spread N. lugens as far as northern China, Korea and Japan (Cheng et al, 1979;Kisimoto, 1987;Watanabe et al, 1991;Sogawa & Watanabe, 1992). In the autumn, there is circumstantial evidence of several waves of N. lugens migration in a generally southward or south-westward direction (Cheng et al, 1979;Kisimoto, 1987;Rosenberg & Magor, 1987;Pender, 1994).…”

Section: Introductionmentioning

confidence: 99%

Observations on the autumn migration of Nilaparvata lugens (Homoptera: Delphacidae) and other pests in east central China

Riley

Reynolds

Smith

et al. 1994

Bull. Entomol. Res.

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Radar, aerial netting and ground sampling were used to study the autumn migration of Nilaparvata lugens (Stal) in Jiangsu Province in east central China. Emigration of macropterous adults increased from late August until late September as the main rice crop matured and was harvested. In early and mid September, the resulting windborne migrations carried the planthoppers mainly towards the west, although the migration directions ranged (within the western sector) from south to north. By late September, however, displacements were predominantly to the south-west on the then prevailing north-east monsoon winds: migration was particularly rapid when the north-easterlies were reinforced by typhoons. Although in late September such movements to more southerly latitudes are essential for the survival of the planthoppers' progeny, we found no definite evidence for preferential emigration on winds blowing towards the south. There were, however, indications that when winds towards the north occurred, the duration of migratory flight was curtailed. Irrespective of any possible preference for migration on northerlies, a large proportion of the N. lugens population would normally be carried in an adaptive southwards direction, because the advent of the north-east monsoon occurs at a time when the number of flight-ready planthoppers approaches its peak.

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Correlation between Migratory Flight of Rice Planthoppers and the Low-Level Jet Stream in Kyushu, Southwestern Japan

Cited by 23 publications

References 2 publications

Induced systemic resistance to rice blast fungus in rice plants infested by white‐backed planthopper

Induced systemic resistance to rice blast fungus in rice plants infested by white‐backed planthopper

Some aspects of induced resistance to rice blast fungus, Magnaporthe grisea, in rice plant infested by white-backed planthopper, Sogatella furcifera

Observations on the autumn migration of Nilaparvata lugens (Homoptera: Delphacidae) and other pests in east central China

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