Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2021
Sammendrag
Punktkilder for forurensning i landbruket omfatter arealer som brukes til påfylling av sprøytemidler og vasking av sprøyteutstyr. Disse operasjonene foregår ofte på en godt drenert gårdsplass. Biobed eller biofilter er tiltak som er utprøvd og anbefalt i en rekke andre land for å sikre grunnvannet mot forurensning av plantevernmidler fra slike punktkilder. Dette er spesielt viktig i områder hvor grunnvann brukes til drikkevann og vanning. Et biofilteranlegg bestående av stablebare kassetter fylt med en blanding av jord, kompost og halm ble anlagt i et potetdyrkingsområde for uttesting under norske forhold. Resultatene etter en 3-årig driftsperiode viser god renseeffekt og -kapasitet for de fleste plantevernmidler.
Forfattere
Darius KviklysSammendrag
Winter hardiness is the main factor limiting pear growing and the use of quince rootstocks under northeastern European climate conditions. Therefore, several cultivar and rootstock trials were performed from 1997 until 2015 at the Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry. Investigations of pear cultivars were conducted in 2005-2015. Twelve cultivars on QS1 rootstock were tested with the goal of finding an optimal replacement for cultivar ‘Conference’, which is not sufficiently winter hardy in the Baltic countries. The cultivar ‘Mramornaja’ showed desirable characteristics based on winter hardiness, productivity and fruit quality. Rootstock breeding was based on a winter hardy Cydonia × oblonga population and resulted in 3 registered rootstocks of K series in Lithuania. K series rootstocks were compared with QMA, QMC, Sydo, QS1, and Pyrus × communis. According to tree growth control and productivity only K11 was equal to QMA and the same as QS1. Other rootstock testing included Cydonia and Pyrus clonal and seedling rootstocks. ‘Pyrodwarf’ and OH×F333 rootstocks were too vigorous. QMC, Sydo and BA29 exhibited poor winter hardiness. The search for both pear cultivars and rootstocks adapted to northeastern European climatic conditions must be continued.
Forfattere
Aurita Butkeviciute Mindaugas Liaudanskas Darius Kviklys Dalia Gelvonauskiene Valdimaras JanulisSammendrag
The interest in old cultivars of apple trees, their fruit and processed products is growing worldwide. Studies on the qualitative and quantitative composition of biological compounds are important for the evaluation of the quality and nutritional properties of apple fruit. A variation in the qualitative and quantitative composition of triterpenic compounds was found in the fruit of apple cultivars included in the collection of National Plant Genetic Resources. A high-performance liquid chromatography (HPLC) analysis showed that the fruit of the cultivar ‘Birutės pepinas’ had the highest total amount (5.17 ± 0.86 mg g-1) of triterpenic compounds. Higher total amounts of triterpenic compounds were also found in the fruit of apple cultivars ‘Tabokinė’ and ‘Panemunės baltasis’ (3.72 ± 0.57 and 4.25 ± 0.17 mg g-1, respectively). By the quantitative composition, triterpenic compounds in apple fruit were ranked in the following order: ursolic acid > oleanolic acid > corosolic acid > betulinic acid. The old apple cultivars ‘Birutės pepinas’, ‘Panemunės baltasis’ and ‘Tabokinė’ included in the collection of National Plant Genetic Resources have a potential for cultivation in industrial orchards and for the use of their apples, and processed apple products as natural functional foods rich in triterpenic compounds and adapted for medical purposes, including the prevention of various diseases. Key words: apple, old cultivars, triterpenic compounds.
Forfattere
Lina Raudone Mindaugas Liaudanskas Gabriele Vilkickyte Darius Kviklys Vaidotas Žvikas Jonas Viškelis Pranas ViškelisSammendrag
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