Results 101 to 110 of about 28,061 (247)

Development and validation of Triticum phytobiological method as an alternative procedure for investigating in vivo acute toxicity on mice [PDF]

open access: yes, 2017
The goal of this study was to validate an alternative method for determining in vivo acute toxicity using vegetal material instead of laboratory animals, starting from the phytobiological method known also as the Triticum technique.
Anghel, Adriana   +5 more
core   +4 more sources

A case study of soil food web components affected by Fallopia japonica (Polygonaceae) in three natural habitats in Central Europe

open access: yesJournal of nematology, 2019
This study determined the effect of the invasive plant Fallopia japonica on soil physical properties, microbial respiration, microbial biomass carbon content, enzymatic activities, and soil nematode communities.
A. Čerevková   +3 more
semanticscholar   +1 more source

Redescription of Aegyptobia hamus Chaudhri (Acari: Trombidiformes: Tenuipalpidae) based on specimens from Iran

open access: yesPersian Journal of Acarology, 2015
Aegyptobia hamus is redescribed from new materials which were collected on Fallopia convolvulus (Polygonaceae) in Iran, representing a new country and host record for this species.
Sadegh Farzan, Mahdieh Asadi
doaj   +1 more source

A new species of Coccoloba P. Browne (Polygonaceae) from the Brazilian Amazon with exceptionally large leaves

open access: yes, 2019
We describe and illustrate a new species of Coccoloba (Polygonaceae), named Coccoloba gigantifolia, from the Brazilian Amazon. It resembles Coccoloba mollis Casar, but differs from the latter species by its much larger leaves in the fertile branches. The
E. Melo, C. A. C. Ferreira, R. Gribel
semanticscholar   +1 more source

Micromorphological study of some annual Polygonum L. (Polygonaceae) in Iran

open access: yesیافته‌های نوین در علوم زیستی, 2017
With 29 species in Iran, Polygonum L. is comprised of annual and perennial plants in different habitats. P. aviculare makes a species complex, hardly distinguished from P. arenastrum and P. patulum. In the present study, po-llen grains, fruit surface and
Maryam Keshavarzi   +2 more
doaj  

Distribution of sex forms in the phanerogamic flora [PDF]

open access: yes, 2007
In the plant kingdom, particularly in the phanerogamic flora, hermaphroditism is by far the most common, yet the number of other sex forms is not negligible.
Yampolsky, Cecil, Yampolsky, Helene
core  

Buckwheat - an old crop with new health prospects [PDF]

open access: yes, 2007
Interest in buckwheat has incresed due to it being a valuable raw material for functional food production. It has been reported to have general beneficial effects on health. Buckwheat competes well with weeds and suffers little from other pests.
Keskitalo, Marjo   +6 more
core  

Control of docks (Rumex spp.) in organic fodder production - a true bottleneck in organic farmed branded dairy and meat products [PDF]

open access: yes
Control of dock species are a true bottleneck in the development of grassland based organic production in Norway. Rumex obtusifolius, Rumex crispus and Rumex longifolius are among the most important perennial weeds in grassland areas throughout the world.

core  

Pleveli kot bioindikatorji: vzorčenje in uporaba podatkov [PDF]

open access: yes, 2018
Članek opisuje uporabo plevelnih vrst kot indikator-jev stanja tal, ki je povezano ali z lastnostmi tal (kot sta pH ali tekstura tal) ali z gospodarjenjem s tlemi (zastajanje vode v tleh, premalo ali preveč hranil, zbitost). Poudariti je treba, da: (i)
Barberi, Paolo, Carlesi, Stefano
core  

The multipartite mitochondrial genome of Fallopia multiflora (Caryophyllales: Polygonaceae)

open access: yesMitochondrial DNA Part B: Resources, 2018
Fallopia multiflora is an important Oriental herb belonging to the family Polygonaceae. The F. multiflora mitochondrial genome consists of two circular chromosomes that were 200,352- and 112,098-nucleotides long. The mitochondrial genome encodes 57 genes,
Chang-Kug Kim, Yong-Kab Kim
semanticscholar   +1 more source

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