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The effect of substrate pH level (4.7, 3.3 and 7.3) on the anthocyanin, quercetin compounds, catechin and phenolic acids concentrations in petals of Rosa × hybrida L. 'KORcrisett' and on the number of flowers per plant was investigated. The phenolic profiles of this plant were established for the first time by the use of HPLC/MS. Plants potted in a substrate with pH 4.7 developed significantly ...

SUBJECT: rosa (genero); antocianinas; soil chemicophysical properties; phenolic compounds; compuestos aromaticos

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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Laboratory experiments were carried out to evaluate the impact of diatomaceous earth (DE) samples of different origin with their insecticidal properties to control one of the most important primary pest in stored grain. We tested the efficacy of three local DE, from Serbia, Greece and Slovenia, and commercial formulation SilicoSec against the rice weevil, Sitophilus oryzae, adults in stored wh ...

SUBJECT: minerals; perdidas por almacenamiento; pesticidal properties; perte apres recolte; soil

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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In present study the quantification of total phenolics content (TPC), total antioxidant activity (TAA) and their relation in sweet and tart cherries were studied. Aqueous and pure polar solvents were used to compare the yield of present phenolic compounds in prepared extracts. The solubility of phenolics was the most effective in sweet cherry extracts with using of 50 % methanol and in tart ch ...

SUBJECT: prunus avium; proximate composition; antioxidants; cherries; compose aromatique

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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Effect of selenium (Se) was studied in soybean (Glycine max (L.) Merr.) cv. Olna in Ljubljana, Slovenia. Se was added to plants as foliary spraying. Quantum yield of photosystem II (PSII) and respiratory potential measured as ETS activity of mitochondria were measured two times in the growing season. Respiratory potential was higher in young plants compared to mature plants. Se induced the low ...

SUBJECT: transport des substances nutritives; respiracion; soja; chlorophylle; respiration

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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The aim of this study was to investigate some physiological traits and yield of different maize hybrids in growth conditions of Kosovo. The field experiment was conducted in 2006 and 2007 in Kosovo, near Prishtina. The experiment was based on a randomized complete block design with 3 replications. For calculating and statistical analysis 10 plants per each plot were randomly chosen. In the stu ...

SUBJECT: composante de rendement; feuille; rendement des cultures; growth rate; plant breeding

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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In the period from June to October 2008 we collected 500 slugs from the genus Arion in the area of Ljubljana and Prekmurje (Slovenia). By means of dissection we determined the presence of parasitic nematodes in slug cadavers. Identification of the nematodes was made by a molecular technique (PCR). In these slugs we did not find the parasitic nematode Phasmarhabditis hermaphrodita, however the ...

SUBJECT: life cycle; cycle de developpement; nematoda; diagnosis; ciclo vital

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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The efficacy of three strains (B30, B49 in 3162) of Steinernema feltiae to control adults of rice weevil (Sitophilus oryzae) was tested in a laboratory experiment in 2009. The activity of entomopathogenic nematodes was assessed at five different concentrations (125, 250, 500, 1000 and 2000 infective juveniles/individual) and four different temperatures (15, 20, 25 and 30 deg C). Results demons ...

SUBJECT: sitophilus oryzae; entomophilic nematodes; stockage; storage losses; perdidas por almacenamiento

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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Hop fields in crop rotation

Kocjan-Acko, D. [2010]

A number of factors influenced the increased number of crops on Slovenian farms legal limitation of maize production to two years on the same field, introduction of integrated crop production and certain measures of the Slovene Agri-Environmental Programme. Crop rotation on hop fields that has already been analyzed on 22 hop growing and livestock farms in Spodnja Savinjska dolina in 2008 show ...

SUBJECT: land management; protection des plantes; elevage; humulus lupulus; ganaderia

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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Apple thinning of cv. 'Golden Delicious' and cv. 'Idared' was studied after the application of 6-benzyladenine (BA) 100 mgl-1 and 50 mgl-1 respectively, applied at different time of blooming period and over a wider range of fruitlet diameter. When BA 100 mgl-1 was applied on cv. 'Golden Delicious', significant reduction in final fruit number per tree was observed if applied at the end of bloom ...

SUBJECT: diametro; fenologia; fruit; floraison; diametre

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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Comparison of tannin concentration in young plants of common and tartary buckwheat

Gadzo, D, Faculty of Agriculture and Food Science et al. [2010]

The aim of this study was to compare the tannin concentration of young common and tartary buckwheat plants. Tannins are a group of polyphenols, formed as secondary metabolites in plants. Tannins are known as antioxidants and have chemoprotective potential. They occur in many fruits and drinks, such as tea, beer, wine and juices, making them significant in human nutrition. Concentration of tann ...

SUBJECT: polyphenols; antioxidants; sarrasin; feuille; pseudocereale

POSTED TO: Acta agriculturae Slovenica (Slovenia) [1580-4003]

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