Response of Indian Brown Planthopper, Nilaparvata lugens (Stål)  Populations to Crowding

Vailla, Sunil; Vattikuti, Jhansi Lakshmi; Konijeti, Chiranjeevi; Muthuswamy, Sampathkumar; Alavala, Rohini; Bentur, J. S.; Chitra, S.; Katti, G.R.

doi:10.20546/ijcmas.2017.612.247

Int.J.Curr.Microbiol.App.Sci

2017

DOI: 10.20546/ijcmas.2017.612.247

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Response of Indian Brown Planthopper, Nilaparvata lugens (Stål) Populations to Crowding

Sunil Vailla¹,

Jhansi Lakshmi Vattikuti²,

Chiranjeevi Konijeti³

et al.

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2024

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“…Rice (Oryza sativa L.) is one of the most important staple food crops in Asia and the world. The brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae) is one of the most serious insect pests of rice and has become problematic over the past few years (Vailla et al, 2017) which is known for its seasonal migration and 'r' strategy pattern of life. It directly damages the plant by sucking phloem sap, causing hopper burn, and also by transmitting viral diseases such as rice grassy stunt and rice ragged stunt (JhansiLakshmi et al, 2019).…”

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confidence: 99%

Rice brown planthopper, Nilaparvata lugens (Stål) feeding behavior in relation to elevated CO2 and temperature

SUNIL,

LAKSHMI,

CHIRANJEEVI

et al. 2024

J. Agrometeorol.

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Feeding behavior of brown planthopper, Nilaparvata lugens (Stål) populations collected from different geographical regions Ludhiana, Nalgonda and West Godavari at three generations 1, 5 and 10 fed on rice plants grown under different CO2 and temperature levels 1) Ambient CO2@ 380±25ppm + ambient temperature (aCO2+aT), 2) Elevated CO2@500±25ppm + ambient temperature (eCO2+aT) and 3) Elevated CO2@500±25ppm + elevated temperature (eCO2+eT) in closed CO2 chambers was studied. Elevated CO2 + elevated temperature increased feeding rate of BPH nymphs while BPH adults showed declined feeding rate. BPH nymphal feeding rate increased with progressive generations while it decreased in BPH adults. Ludhiana adult BPH population showed higher honeydew excretion compared to West Godavari and Nalgonda populations. CO2 + temperature levels at progressive generations have varying effects on adults and nymphs of three BPH populations. Biochemical composition of rice plants grown under different CO2 levels revealed increased rate of soluble sugars, phenols and decreased rate of reducing sugars, soluble proteins, free amino acids, nitrogen, potassium, phosphorous in elevated CO2 + elevated temperature levels compared to ambient conditions. Increased feeding rate of BPH under elevated CO2 levels may be to compensate changes in host plant quality i.e., high soluble sugars and low nitrogen.

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mentioning

confidence: 99%

Rice brown planthopper, Nilaparvata lugens (Stål) feeding behavior in relation to elevated CO2 and temperature

SUNIL,

LAKSHMI,

CHIRANJEEVI

et al. 2024

J. Agrometeorol.

View full text Add to dashboard Cite

show abstract

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Response of Indian Brown Planthopper, Nilaparvata lugens (Stål) Populations to Crowding

Cited by 1 publication

References 4 publications

Rice brown planthopper, Nilaparvata lugens (Stål) feeding behavior in relation to elevated CO2 and temperature

Rice brown planthopper, Nilaparvata lugens (Stål) feeding behavior in relation to elevated CO2 and temperature

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