Results 51 to 60 of about 13,959 (275)

Tymbal Morphology and Co-ccurrence of \u3ci\u3eSpartina\u3c/i\u3e Sap-Feeding Insects (Hemiptera: Auchenorrhyncha) [PDF]

open access: yes, 2018
The exoskeletal morphology of the structures associated with the production of substrate vibrations used for communication was examined for members of three guilds of sap-feeding insects on the cordgrasses Spartina alterniflora Loisel, S.
Wilson, Stephen W
core   +2 more sources

An RNA interference biopesticide reduces reproduction of the honey bee parasite Varroa destructor by down‐regulating embryo development pathways

open access: yesPest Management Science, EarlyView.
Varroa destructor mites exposed to dsRNA specific in sequence to a V. destructor calmodulin gene significantly effected gene expression of adult female mites sampled 5 days after entering a honey bee brood cell to reproduce. Significantly down‐regulated genes included Calmodulin and were associated with calcium ion binding and embryo developmental ...
Zoe E Smeele   +10 more
wiley   +1 more source

Interactive Effects of Elevated CO2 and Temperature on Rice Planthopper, Nilaparvata lugens

open access: yesJournal of Integrative Agriculture, 2014
It is predicted that the current atmospheric CO2 concentration will be doubled and global mean temperature will increase by 1.5–6°C by the end of this century.
Bao-kun SHI   +3 more
doaj   +1 more source

Kemiripan Genetik Wereng Coklat, Nilaparvata Lugens Stål. (Homoptera: Delphacidae) Populasi Klaten dan YOGYAKARTA Berdasarkan Penanda RAPD-PCR [PDF]

open access: yes, 2018
Brown planthopper (Nilaparvata lugens Stål) population from Klaten and Yogyakarta may develop into new biotype, but research on the genetic aspect of these populations is limited.
Supriyadi, S. (Supriyadi)   +1 more
core  

Farmers\u27 Perception on the Performance of Different Rice Varieties in Kapilvastu District, Nepal [PDF]

open access: yes, 2020
Rice is the major staple food crop in Nepal. To date, several rice varieties have been developed and released in Nepal. However, rice production is far below in comparison with its production potential.
Sapkota, S. (Sanjib)   +1 more
core  

The continuing significance of chiral agrochemicals

open access: yesPest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source

Field evaluation of novel insecticides against brown planthopper (Nilaparvata lugens) and white backed planthopper (Sogatella furcifera) in rice

open access: yesThe Indian Journal of Agricultural Sciences, 2020
A field experiment was conducted to evaluate the bioefficacy of novel insecticides against brown planthopper [Nilaparvatha lugens (Stal)] (BPH) and white backed planthopper [Sogatella furcifera (Hoverth)] (WBPH) on rice.
S S DHAKA, MONIKA RAI, M RAI, A YADAV
doaj   +1 more source

UJI KETAHANAN BEBERAPA VARIETAS PADI TERHADAP BIOTIPE WERENG BATANG COKLAT (NILAPARVATA LUGENS STAL) ASAL BEBERAPA SENTRA PADI [PDF]

open access: yes, 2013
THE RESISTANCE TEST OF SEVERAL RICE PLANT VARIETIES TOWARD BROWN PLANTHOPPER (NILAPARVATA LUGENS STAL) BIOTYPES FROM SOME REGIONS THAT CULTIVATE RICE. Thesis- S1: Kusrini Amalia (H0709061).
Amalia , Kusrini
core  

Pengaruh Dosis Subletal Imidakloprid Terhadap Kesintasan Populasi Wereng Coklat Pada Varietas Padi Rentan Dan Tahan [PDF]

open access: yes, 2016
Sublethal dose effect of imidacloprid on the survival of brown planthoppers on resistant and susceptible rice varieties. Imidacloprid insecticides and resistant rice varieties are commonly used to control the the rice brown planthopper (BPH) Nilaparvata ...
Firmansyah, A. S. (Angga)   +2 more
core   +3 more sources

Brown Planthoppers in West Bengal, India

open access: yes, 1978
This article 'Brown Planthoppers in West Bengal, India' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based ...
Nath, D. K., Sen, S. C.
openaire   +1 more source

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