Ammonia emission from leaves of different ice (Oryza sativa L.) cultivars

Etsushi Kumagai, Takuya Araki, Ueno Osamu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

NH3 emission from leaves of three rice (Oryza sativa L.) cultivars, Akenohoshi, Shirobeniya and Kasalath, was examined using a simple open chamber system.?In the three cultivars, NH3 emission rate (AER) and NH4 + content of leaves decreased with decreasing NH4+ concentration in the root medium, but these values differed significantly with the cultivar. In the daytime, AER, NH4 + content and glutamine synthetase (GS) activity in leaves changed similarly with maximum values around midday. Akenohoshi showed significantly lower AER and NH4 + content but higher GS activity than Kasalath. The difference in AER among the rice cultivars may be related to the activity of GS involved in photorespiratory NH3 recycling. Akenohoshi can be a breeding material useful for improving N recycling.

Original languageEnglish
Pages (from-to)249-253
Number of pages5
JournalPlant Production Science
Volume14
Issue number3
DOIs
Publication statusPublished - Jul 6 2011

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Oryza sativa
glutamate-ammonia ligase
ice
ammonia
cultivars
recycling
leaves
rice
breeding

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science

Cite this

Ammonia emission from leaves of different ice (Oryza sativa L.) cultivars. / Kumagai, Etsushi; Araki, Takuya; Osamu, Ueno.

In: Plant Production Science, Vol. 14, No. 3, 06.07.2011, p. 249-253.

Research output: Contribution to journalArticle

Kumagai, Etsushi ; Araki, Takuya ; Osamu, Ueno. / Ammonia emission from leaves of different ice (Oryza sativa L.) cultivars. In: Plant Production Science. 2011 ; Vol. 14, No. 3. pp. 249-253.
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