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Article: Responses of seed yield and quality to nitrogen application levels in two oilseed rape (Brassica napus L.) varieties differing in nitrogen efficiency

TitleResponses of seed yield and quality to nitrogen application levels in two oilseed rape (Brassica napus L.) varieties differing in nitrogen efficiency
Authors
KeywordsNitrogen Efficiency
Oilseed Rape (Brassica Napus L.)
Quality
Yield
Issue Date2012
Citation
Plant Production Science, 2012, v. 15 n. 4, p. 265-269 How to Cite?
AbstractThe relationship between nitrogen efficiency (NE), defined as seed yield per unit nitrogen (N) application, and seed quality was examined in two oilseed rape (Brassica napus L.) varieties at 5 N application levels, 0.6, 3, 6, 12, 15 mmol L -1, N 1, N 2, N 3, N 4 and N 5, respectively. Seed yield, oil yield and protein content were increased with the increase in N application level, but NE and oil content were decreased, and the fatty acid composition in seed was hardly changed. Analysis of seven fatty acids revealed a slight decrease in the contents of erucic acid and arachidonic acid with the increase in N application level, but no obvious change in the contents of palmitic acid, stearic acid, oleic acid, linoleic acid and linolenic acid. Compared with the low NE variety H29, the seed yield and contents of erucic acid and arachidonic acid in the high NE variety bin270 were more markedly increased with the increase in N application level, and the oil content was hardly changed. The seed yield, oil content and oil yield were higher in the high NE variety than in the low NE variety at all 5 N application levels. There were no significant differences in protein, palmitic acid, stearic acid and oleic acid contents between the varieties at any of the 5 N application levels, but there were slight differences in the linoleic acid and linolenic acid contents between the two varieties. In brief, N application improved oil yield more greatly in the high NE variety than in the low NE variety, but hardly affected the fatty acid composition. Therefore, the seed quality and oil content of oilseed rape may not be decreased by breeding of a high NE variety with a high N absorption efficiency and high N use efficiency.
Persistent Identifierhttp://hdl.handle.net/10722/179331
ISSN
2015 Impact Factor: 0.612
2015 SCImago Journal Rankings: 0.453
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Zen_US
dc.contributor.authorSong, Hen_US
dc.contributor.authorLiu, Qen_US
dc.contributor.authorRong, Xen_US
dc.contributor.authorPeng, Jen_US
dc.contributor.authorXie, Gen_US
dc.contributor.authorZhang, Yen_US
dc.contributor.authorChen, Len_US
dc.contributor.authorGuan, Cen_US
dc.contributor.authorGu, Jen_US
dc.date.accessioned2012-12-19T09:54:16Z-
dc.date.available2012-12-19T09:54:16Z-
dc.date.issued2012en_US
dc.identifier.citationPlant Production Science, 2012, v. 15 n. 4, p. 265-269en_US
dc.identifier.issn1343-943Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/179331-
dc.description.abstractThe relationship between nitrogen efficiency (NE), defined as seed yield per unit nitrogen (N) application, and seed quality was examined in two oilseed rape (Brassica napus L.) varieties at 5 N application levels, 0.6, 3, 6, 12, 15 mmol L -1, N 1, N 2, N 3, N 4 and N 5, respectively. Seed yield, oil yield and protein content were increased with the increase in N application level, but NE and oil content were decreased, and the fatty acid composition in seed was hardly changed. Analysis of seven fatty acids revealed a slight decrease in the contents of erucic acid and arachidonic acid with the increase in N application level, but no obvious change in the contents of palmitic acid, stearic acid, oleic acid, linoleic acid and linolenic acid. Compared with the low NE variety H29, the seed yield and contents of erucic acid and arachidonic acid in the high NE variety bin270 were more markedly increased with the increase in N application level, and the oil content was hardly changed. The seed yield, oil content and oil yield were higher in the high NE variety than in the low NE variety at all 5 N application levels. There were no significant differences in protein, palmitic acid, stearic acid and oleic acid contents between the varieties at any of the 5 N application levels, but there were slight differences in the linoleic acid and linolenic acid contents between the two varieties. In brief, N application improved oil yield more greatly in the high NE variety than in the low NE variety, but hardly affected the fatty acid composition. Therefore, the seed quality and oil content of oilseed rape may not be decreased by breeding of a high NE variety with a high N absorption efficiency and high N use efficiency.en_US
dc.languageengen_US
dc.relation.ispartofPlant Production Scienceen_US
dc.subjectNitrogen Efficiencyen_US
dc.subjectOilseed Rape (Brassica Napus L.)en_US
dc.subjectQualityen_US
dc.subjectYielden_US
dc.titleResponses of seed yield and quality to nitrogen application levels in two oilseed rape (Brassica napus L.) varieties differing in nitrogen efficiencyen_US
dc.typeArticleen_US
dc.identifier.emailGu, J: jdgu@hkucc.hku.hken_US
dc.identifier.authorityGu, J=rp00701en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1626/pps.15.265en_US
dc.identifier.scopuseid_2-s2.0-84867881404en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84867881404&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume15en_US
dc.identifier.issue4en_US
dc.identifier.spage265en_US
dc.identifier.epage269en_US
dc.identifier.scopusauthoridZhang, Z=41763195900en_US
dc.identifier.scopusauthoridSong, H=14025913600en_US
dc.identifier.scopusauthoridLiu, Q=55351844200en_US
dc.identifier.scopusauthoridRong, X=24723290200en_US
dc.identifier.scopusauthoridPeng, J=24723225400en_US
dc.identifier.scopusauthoridXie, G=24723267400en_US
dc.identifier.scopusauthoridZhang, Y=55351934300en_US
dc.identifier.scopusauthoridChen, L=55431340300en_US
dc.identifier.scopusauthoridGuan, C=8364798800en_US
dc.identifier.scopusauthoridGu, J=7403129601en_US

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