Results 91 to 100 of about 1,705 (210)

The Allelopathic Potential of Ruderal Plant Species on Tomato and Lettuce

open access: yesPoljoprivreda
The aim of the study was to evaluate the allelopathic potential of several ruderal plant species on the germination and initial growth of tomato and lettuce.
Marija Ravlić   +5 more
doaj   +1 more source

Benefits of Precision Farming Technologies for Mechanical Weed Control in Soybean and Sugar Beet—Comparison of Precision Hoeing with Conventional Mechanical Weed Control

open access: yesAgronomy, 2015
Weed infestations and associated yield losses require effective weed control measures in soybean and sugar beet. Besides chemical weed control, mechanical weeding plays an important role in integrated weed management systems.
Christoph Kunz   +2 more
doaj   +1 more source

Effect of common knotweed (Polygonum aviculare) on abundance and efficiency of insect predators of crop pests

open access: yes
Common knotweed, Polygonum aviculare L. (Polygonaceae), a summer annual occurring in agricultural and urban settings in the Sacramento Valley, was attended by numerous predatory and parasitic insects, many of which fed on the exposed floral nectar ...
Ehler, Lester E.   +2 more
core   +1 more source

Ocena rozwoju osobniczego (ontogenezy) chwastów w łanie lnu włóknistego

open access: yesAgronomy Science, 2007
The study was conducted according to observations of ontogenesis of weeds found in the field of fibrous flax conducted in 2005–2006. The field experiments were conducted at INF Experimental Farms Stary Sielec and P tkowo (wielkopolskie district ...
KRZYSZTOF HELLER, MARCIN PRACZYK
doaj  

POLYGONUM AVICULARE SUBSP. RURIVAGUM (POLYGONACEAE) IN NORTH AMERICA

open access: yes, 2003
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Costea, Mihai, Tardif, François J.
openaire   +1 more source

Antimicrobial Activity and Phytochemical Analysis of Polygonum Aviculare L.

open access: yes, 2009
Polygonum aviculare (Polygonaceae) is an herb commonly distributed in Mediterranean coastal regions in Egypt and used in folkloric medicine. Organic and aqueous solvent extracts and fractions of Polygonum aviculare were investigated for antimicrobial ...
M.H. Salama, Hediat., Marraiki, Najat.
core  

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  

Polygonum aviculare

open access: yes
Family name (scientific): Polygonaceae Scientific name: Polygonum aviculare Authors names: L.

core  

Ontogenetic Structure of Cenopopulations Polygonum Aviculare L. Under the Conditions of Krolevetsky-Hlukhivsky Geobotanic Region.

open access: yes, 2016
У статті наведено онтогенетичну характеристику ценопопуляцій Polygonum aviculare L. на луках Кроле- вецько-Глухівського геоботанічного району. Розраховано індекс віковості за А. А. Урановим (Δ) та індекс ефективності за Л. В. Животовським (ω).
Зубцова, Інна, Zubtsova, Inna
core  

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