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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.

2005

Sammendrag

The content of selected plant constituents was measured in cherry tomatoes (Lycopersicon esculentum Mill. cv Jennita) during conventional Norwegian tomato production in a greenhouse from May until October 2004. Samples were collected according to standard production procedure with orange-yellow coloured fruits at weight in the range of 12.4 -19.3 g and size in the range of 28.9-33.0 mm (diameter). The content of selected compounds based on 100 g FW were found to vary in the following range during the season: 7.38-28.38 mg chalconaringenin, 0.32-0.92 mg rutin, 0.24-1.06 mg chlorogenic acid, 5.60-20.02 mg ascorbic acid, 1.60-5.54 mg lycopene and 0.37-0.55 mg b-carotene. Only minute amounts of naringenin together with kaempferol 3-rutinoside and caffeic acid, which previously have been reported from tomatoes, were detected. The content of chalconaringenin to rutin, and that of lycopene to b-carotene showed a strong correlation during the season (p < 0.001). The content of total phenolics and methanol soluble antioxidants also showed a correlation (p < 0.001), and were found in the range 14.6 - 32.6 mg GAE/100 g FW and 445 - 737 mmol FeII/100 g FW, respectively. Seasonal variation in the level of plant constituents is shown to be related to photon flux density and fertilization level.

Sammendrag

Sharkavirus (Plum pox virus) er en karanteneskadegjører som angriper plomme og noen andre Prunus-arter. Angrep kan medføre nedsatt fruktkvalitet og betydelig avlingsreduksjon.

Sammendrag

Site-specific weed management (SSWM) of annuals will probably only be adopted by Norwegian cereal farmers if a cheap SSWM design becomes available. This could be one camera mounted in front of tractor taking images along a narrow path at the middle of sprayer boom, and nozzles automatically and collectively switched on as economic damage threshold is reached. We tested the suitability of this design ("SSWM, Low") by comparing spraying decisions ("spray"/"not spray") of this low resolution (about 16-m) with a high resolution (about 2-m) design ("SSWM, High"). Study concluded that one camera per spray boom (about 16-m wide) seems suitable because mean spraying error, as compared to "SSWM, High", was only 10%. Mean herbicide reductions were c. 60% for both SSWM designs.