Results 101 to 110 of about 4,675 (226)

Variable infection frequency and high diversity of multiple strains of Wolbachia pipientis in Perkinsiella planthoppers [PDF]

open access: yes, 2011
This survey of Wolbachia infections in populations of the planthoppers Perkinsiella saccharicida and Perkinsiella vitiensis revealed variable frequencies, low-titer infections, and high phylogenetic diversities of strains.
S. L. O'Neill   +11 more
core   +1 more source

Notes on the dryinid parasitoids of planthoppers (Hymenoptera Dryinidae; Hemiptera Flatidae, Issidae)

open access: yes, 2003
Notes on Dryinid Parasitoids of Planthoppers (Hymenoptera: Dryinidae; Hemiptera: Flatidae, Issidae) : short ...
LUCCHI, ANDREA, WILSON S. W.
core  

Integrating gene deployment and crop management for improved rice resistance to Asian planthoppers

open access: yes, 2018
© 2018 Elsevier Ltd This review examines the effects of crop management on the efficiency and durability of planthopper resistant rice in Asia. Historical evidence and selection experiments indicate that the proportion of virulent individuals in ...
Horgan, FG, Finbarr G. Horgan
core   +1 more source

Brown Planthopper in Borneo

open access: yes, 1977
This article 'Brown Planthopper in Borneo' 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 cropping systems.
openaire   +1 more source

POPULATIONS OF PLANTHOPPERS IN RICE FIELDS OF UDAYA VARIETY IN PURI DISTRICT OF ORISSA

open access: yes, 1988
In fields of rice variety Udaya in six blocks of Puri district (Orissa) nymph and adult populations of brown planthopper, Nilaparvata lugens and white backed planthopper, Sogatella furcifera were studied to observe stability of resistance to the variety ...
PRAKASH, A., GUPTA, S. P., CHOUDHURY, A.
core  

Delayed mowing promotes planthoppers, leafhoppers and spiders in extensively managed meadows

open access: yes, 2016
1. Biodiversity-rich grasslands have been severely impacted by agricultural intensification. Although agri-environment schemes (AES) have been launched partly to combat grassland biodiversity erosion, they could neither halt nor revert it, and this ...
Martin H. Entling   +13 more
core   +1 more source

Landscape Genomics and Evolutionary History of Megamelus scutellaris, a Biocontrol Agent of the Invasive Water Hyacinth (Pontederia crassipes)

open access: yesEvolutionary Applications
Understanding the evolutionary history of biological control agents in their native ranges is crucial for improving their selection, establishment, and performance across environmentally diverse regions.
Nicolas A. Salinas   +5 more
doaj   +1 more source

Flight Duration of the Brown Planthopper

open access: yes, 1984
This article 'Flight Duration of the Brown Planthopper' 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 ...
Rosenberg, L. J., Magor, J. I.
openaire   +1 more source

Planthoppers [PDF]

open access: yesAnzeiger für Schädlingskunde Pflanzenschutz Umweltschutz, 1994
openaire   +2 more sources

Flight Capabilities of the Brown Planthopper

open access: yes, 1979
This article 'Flight Capabilities of the Brown Planthopper' 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
Cooter, R. J.   +2 more
openaire   +1 more source

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