Results 81 to 90 of about 114,015 (202)

On the use of ultraviolet photography and ultraviolet wing patterns in butterfly morphology and taxonomy [PDF]

open access: yes, 2000
In a series of feeding experiments we found that, depending on the larval food plant species or part of food plant ingested, individuals of the blue butterfly Polyommatus icarus (Lycaenidae) exhibit broad variation of wing patterns in the ultraviolet (UV)
Fiedler, Konrad, Knüttel, Helge
core  

Revegetation of Thermal Power Plant Ash Dumps or Sustainable Urban Development

open access: yesUrban Science
The goal of this study is to safely reduce dust emissions from ash dumps and create green landscapes at waste storage sites. The most effective way to achieve this is through revegetation, which allows ash dumps to be transformed into green landscapes ...
Lyudmila Ivanovna Khudyakova   +6 more
doaj   +1 more source

The use of mixed species cropping to manage pests and diseases – theory and practice [PDF]

open access: yes, 2002
This paper was presented at the UK organic research 2002 on behalf of colloquium of Organic Researchers (COR). Mixed species cropping is often perceived as a viable tool to increase on-farm biodiversity in organic agriculture and is a potentially ...
Davies, Gareth   +2 more
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Identification of six Papilionaceae species by epidermal characteristics: Microanalysis of handcomposed mixtures Identificación de seis especies de Papilionaceae mediante características epidérmicas: microanálisis de mezclas compuestas a mano

open access: yesBoletín de la Sociedad Argentina de Botánica, 2009
The microhistological analysis quantifies the botanical composition of herbivore diets by the identification of the epidermal characters of ingested species. Many Papilionaceae form part of herbivore diets due to their high nutritive quality.
Cristina Yagueddú   +2 more
doaj  

Aluminum stress responses and beneficial bacterial traits in Medicago legumes

open access: yesFrontiers in Plant Science
Legumes of the genus Medicago are agronomically important forage crops that also enhance soil fertility through biological nitrogen fixation. Beyond their agricultural value, Medicago species show promise for the ecological restoration of degraded soils,
Thomas Ledger   +9 more
doaj   +1 more source

Effect of different pastures on CLA content in milk and sheep cheese [PDF]

open access: yes, 2003
It is known that milk composition included conjugated linoleic acid (CLA) is affected by animal feeding system (Cabiddu et al., 2001). In Sardinia dairy sheep feeding is mainly based on pastures.
Addis, Margherita   +7 more
core  

Transient and long-term antioxidant gene responses in Medicago truncatula following application of exogenous nitric oxide [PDF]

open access: yes, 2009
Nitric oxide (NO) is a bioactive molecule involved in many biological events that has been reported to act as both a prooxidant and an antioxidant in plants.
Fotopoulos, Vasileios   +2 more
core   +1 more source

How to establish a perennial legume-grass sward? [PDF]

open access: yes, 2003
In 2002, a field experiment with split-plot design was established in Juva in order to compare the use of nurse crop to establish perennial legume grass sward in organic ...
Nykänen, Arja, Nykänen-Kurki, Päivi
core  

Acid-adaption by a medic microsymbiont: new insights from the genome of Sinorhizobium medicae WSM419 [PDF]

open access: yes, 2009
The poor availability of nitrogen is one of the principal factors limiting global biomass. Legumes are vital components of agricultural systems because of their ability to associate symbiotically with root nodule bacteria (RNB) and subsequently fix ...
Bräu, L.   +4 more
core   +1 more source

Analyzing Medicago spp. seed morphology using GWAS and machine learning

open access: yesScientific Reports
Alfalfa is widely recognized as an important forage crop. To understand the morphological characteristics and genetic basis of seed morphology in alfalfa, we screened 318 Medicago spp., including 244 Medicago sativa subsp.
Jacob Botkin   +9 more
doaj   +1 more source

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