Results 121 to 130 of about 7,822 (215)

BIOLOGY AND HOST RANGE OF THE TARO PLANTHOPPER, Tarophagus proserpina Kirk.

open access: yesAnnals of Tropical Research, 1986
The biology of the taro planthopper was studied in the laboratory using taro as food. The total developmental periods of the male and female planthoppers are ± 30.86 days and ± 31.29 days, respectively.
Cecile Joy Y. Duatin   +1 more
doaj  

Automatic Paddy Planthopper Detection and Counting Using Faster R-CNN

open access: yesAgriculture
Counting planthoppers manually is laborious and yields inconsistent results, particularly when dealing with species with similar features, such as the brown planthopper (Nilaparvata lugens; BPH), whitebacked planthopper (Sogatella furcifera; WBPH ...
Siti Khairunniza-Bejo   +5 more
doaj   +1 more source

Pengaruh Konsentrasi Subletal Deltametrin terhadap Nutrisi dan Pertumbuhan Tanaman Padi [PDF]

open access: yes, 2011
Increasing the reproductive capacity through increasing plant growth and nutrition is one plausible mechanism of resurgence. This research was intended to determine the effect of deltamethrin on plant vigor and nutrition contents.
Indradewa, D. (Didik)   +3 more
core  

Kepadatan Populasi Wereng Coklat (Nilaparvata lugens, Stal.) dan Musuh Alaminya Pada Berbagai Varietas Padi di Bantul Yogyakarta

open access: yesPlanta Tropika: Jurnal Agrosains, 2017
A research to observe the population density of brown planthoppers (Nilaparvata lugens, Stal.) and their predator and parasitoid natural enemies has done on the rice field in Bantul regency of Yogyakarta. The research was conducted to observe the hoppers
Darmawan Suryo Sudarsono
doaj  

Presence/absence sequential plans for pest management decision-making, for arthropods of wet rice ecosystem in Malaysia [PDF]

open access: yes, 1997
Presence-absence sequential sampling plans are presented for 11 arthropod categories to assist in management of their populations in the multipest-infested rice crop in Malaysia.
M. M., Rashid   +1 more
core  

Diversidad de fulgoromorpha (insecta-hemiptera) y fluctuaciones poblacionales de especies vectoras asociadas con el agrosistema maíz en tres areas agrológicas del NOA [PDF]

open access: yes, 2014
Fil: Marino de Remes Lenicov, Ana María. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Entomología; ArgentinaFil: Maciá, Arnaldo. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo.
Brentassi, María Eugenia   +7 more
core  

Detection And Transmission Of Rice Stunt Virus On Ciherang And situ Bagendit Varieties [PDF]

open access: yes, 2018
Detection and Transmission of rice stunt virus on Ciherang and Situ Bagendit Varieties. The explosion of brown planthoppers recently has caused reduction of rice production in Indonesia. Brown planthoppers do not only act as pest, but also transmit Rice
Hartono, S. (Sedyo)   +3 more
core  

Evolution of host support for two ancient bacterial symbionts with differentially degraded genomes in a leafhopper host. [PDF]

open access: yes, 2018
Plant sap-feeding insects (Hemiptera) rely on bacterial symbionts for nutrition absent in their diets. These bacteria experience extreme genome reduction and require genetic resources from their hosts, particularly for basic cellular processes other than
Bennett, Gordon M   +2 more
core  

Inheritance of Whitebacked Planthopper Resistance

open access: yes, 1994
This article 'Inheritance of Whitebacked Planthopper Resistance' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems.
openaire   +1 more source

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