Results 101 to 110 of about 26,948 (256)

Tanggapan Helicoverpa armigera terhadap Infeksi Subletal Nuclear Polyhedrosis Virus dan Dampaknya terhadap Laju Reproduksi

open access: yesJurnal Perlindungan Tanaman Indonesia, 2000
The study on responses of Helicoverpa armigera Hbn. to sublethal HaNPV (H. armigera nuclear polyhedrosis virus) infection was carried out in the laboratory. The reproduction rate was scrutinized as their impact of HaNPVs exposures.
Gita Pawana   +2 more
doaj   +1 more source

HELICOVERPA ARMIGERA-PEST ON TOBACCO PLANTS

open access: yesKNOWLEDGE - International Journal, 2019
Helicoverpa armigera Hubner is а migratory, cosmopolitan and polycyclic species. The pest is known as tobacco bollworm or budworm. The species is polyphagous and is an economically important agricultural pest. The studies were conducted on tobacco plants in the Experimental Field of the Scientific Tobacco Institute - Prilep during 2017/2018. Monitoring
openaire   +2 more sources

Inheritance of Podborer (Helicoverpa armigera) Tolerance in Pigeonpea

open access: yesInternational Journal of Botany, 2006
The legume pod borer, Helicoverpa armigera is one of the most divesting pests of pigeon pea. And it is an important biotic constraint to pigeon pea production worldwide. In recent years, development of Helicoverpa armigera populations resistant to insecticides has further hampered the control of measures.
M. Rizwana Banu .   +2 more
openaire   +2 more sources

Feeding Deterrent and Genotoxicity Analysis of a novel Phytopesticide by using Comet Assay against Helicoverpa armigera (HÜbner) (Lepidoptera: Noctuidae)

open access: yesBrazilian Archives of Biology and Technology, 2015
Newly developed Phytopesticidal formulations from pongam and neem oils were evaluated for their feeding deterrent activity using leaf disc choice and no-choice methods, and genotoxic study using comet assay against Helicoverpa armigera at different ...
Soosaimanickam Maria Packiam   +3 more
doaj   +1 more source

Performance of Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) on eggs of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae)

open access: yesScientific Reports, 2019
Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) is a polyphagous pest with a wide geographic distribution. This pest first arrived in Brazil in 2013, and since then studies on possible control methods for it have been necessary.
V. L. Laurentis   +8 more
semanticscholar   +1 more source

Polycalin is involved in the action mechanism of Cry2Aa toxin in Helicoverpa armigera (Hübner)

open access: yesJournal of Integrative Agriculture, 2019
Receptor proteins on the brush border membrane of the insect midgut epithelium are involved in the mode of action of insecticidal Cry proteins from Bacillus thuringiensis (Bt).
Bing-jie WANG   +6 more
doaj   +1 more source

Interactions between Fungal-Infected Helicoverpa armigera and the Predator Chrysoperla externa

open access: yesInsects, 2019
The aim of the present study was to evaluate the interactions between Chrysoperla externa (Hagen, 1861) and the eggs and first-instar larvae of Helicoverpa armigera (Hübner 1805) infected by entomopathogenic fungi. The H.
Pamella Mingotti Dias   +5 more
semanticscholar   +1 more source

Population dynamics of Helicoverpa armigera in pearl millet

open access: yesINTERNATIONAL JOURNAL OF PLANT PROTECTION, 2017
Population dynamics of Helicoverpa armigera in pearl millet was studied during Kharif 2015 at Instructional Farm, Junagadh Agricultural University, Junagadh. The study revealed that the pest incidence commenced from seventh week after sowing in variety GHB-558 and was found active from August to September in the crop.
Asha C. Detroja   +3 more
openaire   +2 more sources

Mitochondrial DNA analysis of field populations of Helicoverpa armigera (Lepidoptera: Noctuidae) and of its relationship to H. zea

open access: yesBMC Evolutionary Biology, 2007
Background Helicoverpa armigera and H. zea are amongst the most significant polyphagous pest lepidopteran species in the Old and New Worlds respectively. Separation of H. armigera and H. zea is difficult and is usually only achieved through morphological
Appleton Belinda R   +6 more
doaj   +1 more source

Comparative Toxicity of Two Isolates of Bacillus thuringiensis Berliner from Plutella xylostella L. and Papilio demoleus L. to some Important Lepidopteran Pests of Horticultural Crops

open access: yesJournal of Horticultural Sciences, 2007
Toxicity of two isolates of Bacillus thuringiensis viz. KPx-1 and IPd-1 isolated from diamondback moth, Plutella xylostella (Lepidoptera: Yponomeutidae), and citrus butterfly, Papilio demoleus (Lepidoptera: Papilionidae), were tested against cabbage ...
R Asokan, Puttaswamy .
doaj   +1 more source

Home - About - Disclaimer - Privacy