Results 61 to 70 of about 6,166 (173)

The multi-scale nature of the solar wind

open access: yes, 2019
The solar wind is a magnetized plasma and as such exhibits collective plasma behavior associated with its characteristic spatial and temporal scales. The characteristic length scales include the size of the heliosphere, the collisional mean free paths of
Klein, Kristopher G.   +2 more
core   +2 more sources

INSECT PESTS ASSOCIATED WITH WINGED BEAN IN GHANA

open access: yesAnnals of Tropical Research, 1983
Insects associated with 17 varieties of winged bean (Psophocarpus tetragonolobus) at preflowering, flowering and post-flowering are present ed. Based on the study, the most serious insect pests were the thrips Taeniothrips sp., which sucked the plant ...
Kwame Afreh-Nuamah
doaj  

Population dynamics of insect pests on short duration pigeon pea in relation to weather parameters

open access: yesJournal of Agrometeorology, 2018
Population dynamics of insect pests on short duration pigeon pea was studied in relation with weather parameters during kharif 2016 and 2017. Spotted pod borer, Maruca vitrata (F.) and blister beetle, Mylabris pustulata Thunberg were observed to be ...
SURESH M. NEBAPURE   +2 more
doaj   +1 more source

Penggunaan Ekstrak Buah Hutung (Barringtonia Asiatika) untuk Mengendalikan Hama Maruca Testulalis Penggerek Polong pada Kacang Panjang [PDF]

open access: yes, 2017
The use of synthetic chemicals to control plant pest should to be limited by utilizing natural products so that environmental contamination can be reduced and crop yields are safe to eat. The aim of this research is to get the effective concentration and
Kalay, M. (Marthin)   +3 more
core  

ОБЗОР ШИРОКОКРЫЛЫХ ОГНЕВОК (LEPIDOPTERA: CRAMBIDAE, PYRAUSTINAE) ЮЖНОЙ ЧАСТИ АМУРО-ЗЕЙСКОГО МЕЖДУРЕЧЬЯ

open access: yesАмурский зоологический журнал, 2015
Для территории Амуро-Зейского междуречья приводится 76 видов ширококрылых огневок, относящихся к 35 родам из 5 триб. Впервые для территории Амурской области приводится 10 видов – Anania (Anania) egentalis (Christoph, 1881), Uresiphita gilvata (Fabricius,
A.N. Streltzov
doaj  

Toxicity and spraying schedules of a biopesticide prepared from Piper guineense against two cowpea pests

open access: yesPlant Protection Science, 2007
The toxicity of three concentrations (5%, 10% and 20% w/v) and spraying schedules (2, 4 and 6 weekly applications) of an extract from West African black pepper, Piper guineense, for managing two major post-flowering pests of cowpea, Vigna unguiculata ...
Alphonsus Mbonu Oparaeke
doaj   +1 more source

Comparative Analysis of Chitin SynthaseA dsRNA Mediated RNA Interference for Management of Crop Pests of Different Families of Lepidoptera

open access: yesFrontiers in Plant Science, 2020
RNA interference (RNAi) is a sequence-specific down-regulation in the expression of a particular gene, induced by double-stranded RNA (dsRNA). Feeding of dsRNA either directly or through transgenic plants expressing dsRNA of insect genes has been proven ...
Seema Rana   +3 more
doaj   +1 more source

Kinetic Signatures and Intermittent Turbulence in the Solar Wind Plasma

open access: yes, 2012
A connection between kinetic processes and intermittent turbulence is observed in the solar wind plasma using measurements from the Wind spacecraft at 1 AU. In particular, kinetic effects such as temperature anisotropy and plasma heating are concentrated
A. Barnes   +6 more
core   +1 more source

Application of some insecticides and plant crude extracts for controlling insect pests in yard long bean [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2003
Tests on plant crude extracts of neem seeds, galanga and citronella grass at the rates of 200 ml/20 L of water together with synthetic insecticides, cypermethrin, methamidophos, carbosulfan and carbofuran, at the recommended rates showed that none of the
Wipawadee Chamnan   +2 more
doaj  

Experiencing Villa-Lobos, Young Performers Concert [PDF]

open access: yes, 2019
Experiencing Villa-LobosYoung Performers ConcertFriday, March 22, 2019 at 3:30pmSonia Vlahcevic Concert HallW.E.
Patykula, John
core   +1 more source

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