Results 61 to 70 of about 3,212 (174)

Control of sucking insects and forage productivity in organic production on spring forage pea (Pisum sativum L.)

open access: yesРастениевъдни науки, 2015
 It was studied the effect of biological insecticides NeemAzal T/S® and Pyrethrum FS EC applied alone and in combination with Polyversum (biological growth regulator and fungicide) and Biofa (organic foliar fertilizer) on sucking insects population ...
Ivelina Nikolova, Natalia Georgieva
doaj  

Кристаллы в тканях семянок видов Asteraceae

open access: yesTurczaninowia, 2015
Представлены результаты морфо- логических и анатомических исследований, а также сканирующей электронной микроскопии семянок 48 видов из 30 родов, относящихся к 7 трибам семейства Asteraceae.
E. V. Boyko
doaj   +1 more source

The antibacterial activity of methanolic Anacyclus pyrethrum and Pistacia lentiscus L. extract on Escherichia coli

open access: yesIranian Journal of Microbiology, 2017
Background and Objectives: Antibiotic therapy is the main choice in treatment of Escherichia coli induced infections. Using herbal medication is an alternative choice in treatment of diseases.
Noushin Jalayer Naderi   +3 more
doaj  

ECOLOGY OF MAN-BITING MOSQUITOES IN IKEGHE OKPATU, ENUGU STATE NIGERIA.

open access: yesThe Bioscientist, 2016
Ecology of man-biting mosquitoes in Ikeghe Okpatu, Udi L.G.A, Enugu State was studied between August and September 2014. The eggs of mosquitoes were collected using ovitraps. Mosquito larvae were sampled from diverse habitats.
P.U Umeanaeto   +6 more
doaj  

ASPECTS REGARDING PYRETHRUM PLANT BIOLOGY IN ITS SECOND YEAR OF VEGETATION

open access: yesAgricultura, 2012
Pyrethrum (Chrysanthemum cinerariaefolium) is a perennial plant from which natural insecticides, the pyrethrins, are derived. Pyrethrum seedlings were planted in 2010, at a row distance of 70 cm with 3 different plant densities: 40000 plants/ha, 50000 ...
Anca Eva Ardelean   +3 more
doaj   +1 more source

Assessment of Pyrethrin Novel Green Extraction Methods from Dalmatian Pyrethrum (Tanacetum cinerariifolium)

open access: yesApplied Sciences
Six novel green extraction techniques were evaluated and optimized to extract pyrethrin from dried Dalmatian pyrethrum (Tanacetum cinerariifolium (Trevir./Sch.Bip.).
Jasna Maršić-Lučić   +6 more
doaj   +1 more source

Extraction and Determination of Pyrethrins from Pyrethrum Cultivated in Iran

open access: yesJournal of Medicinal Plants, 2008
Background: Pyrethrum Chrysanthemum cinerariaefolium (Trevir.) Vis. is a member of the Asteraceae family. It is perennial plant commercially grown for extraction of natural pyrethrins used to make insecticides.
F Nazari, M Kambarani
doaj  

Biological control of Panaphis juglandis (Goeze, 1778) with some bioinsecticides in Bulgaria

open access: yesJournal of BioScience and Biotechnology, 2021
The efficacy of three bioinsecticides: the microbial Naturalis (Beauveria bassiana) and the botanical Pyrethrum FS EC (pyrethrin + sesame oil + soft potassium soap) and NeemAzal T/S (azadirachtin), approved for application in organic farming in Bulgaria,
Daniela Atanasova, Pavlin Vasilev
doaj  

Pyrethrum. [PDF]

open access: yesJAMA: The Journal of the American Medical Association, 1897
openaire   +1 more source

Can protoplast production from in vitro cultured shoots of Tanacetum vary during the season?

open access: yesAgricultural and Food Science, 2008
Two different experiments were carried out to study the production of protoplasts and the variation of protoplast yield from in vitro cultured shoot tips of tansy (Tanacetum vulgare L.) and pyrethrum (Tanacetum cinerariifolium (Trevir.) Schiltz-Bip).
M. KESKITALO
doaj  

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