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'Genkitsukushi', a new rice [Oryza sativa] cultivar with tolerance to high temperature during maturing period and high eating quality  [2010]

Wada, T., Fukuoka-ken. Agricultural Research Center, Chikushino (Japan) Tsubone, M. Inoue, T. Ogata, K.F. et al.

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Abstract
A New Rice Cultivar, 'Genkitsukushi', was developed from a cross between 'Chikushi 46' (later named 'Tsukushiroman') and 'Tsukushiwase' at Fukuoka Agricultural Research Center in 2008. The objective of this breeding program was to develop a rice cultivar of high eating and grain qualities and with excellent appearance. The overall characteristics of 'Genkitsukushi' are as follows: It belongs to the early maturing group and its heading date is similar to that of 'Tsukushiroman', eight to 10 days earlier than that of 'Hinohikari'. The culm length and panicle length are longer than those of 'Tsukushiroman', while the number of panicles is slightly fewer than those of 'Tsukushiroman'. The plant is classified as intermediate type. The lodging resistance is slightly weak. It is presumed that 'Genkitsukushi' possesses the rice blast resistance gene Pii. The field resistances to leaf blast and to panicle blast are weak and slightly weak, respectively. The resistance to pre-harvest sprouting is strong. The grain appearance is superior to that of 'Tsukushiroman' and 'Hinohikari' and its grain quality is classified to be of first grade, even if it matures under a high temperature conditions (over 27degC). The eating quality is similar to that of 'Tsukushiroman', and higher than that of 'Hinohikari'. Cooked rice prepared using 'Genkitsukushi' shows excellent lustered and sticky properties. The brown rice of 'Genkitsukushi' is non-glutinous and its weight is the same a
s that of 'Tsukushiroman' and 'Hinohikari'. The yield performance is similar to that of 'Tsukushiroman' and 'Hinohikari'. 'Genkitsukushi' is a promising early maturing cultivar with a high eating quality and superior grain appearance for growing in flat areas in warm regions. Variety registration was applied for in December 2008, in conformity with the Plant Variety Protection and Seed Act.
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Other subjects

  • heat
  • precocite
  • oryza sativa
  • variete
  • propriete organoleptique
  • calor
  • varieties
  • organoleptic properties
  • variedades
  • chaleur
  • precocidad
  • propiedades organolepticas
  • precocity

From the journal

Bulletin of the Fukuoka Agricultural Research Center (Japan)

ISSN : 1341-4593

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