Characteristics of an extremely-early-maturing and good-eating quality paddy rice cultivar, "Kinuhikari", newly recommended in Fukuoka prefecture [Japan]
1989
Harada, K. (Fukuoka-ken. Agricultural Research Center, Chikushino (Japan)) | Matsue, Y. | Yoshino, M. | Ogata, T. | Nagao, T. | Imabayashi, S. | Noda, M.
A new paddy rice cultivar Kinuhikari developed by Hokuriku National Agricultural Experimented Station, has been registered as a recommended variety in Fukuoka prefecture in 1989, where Kinuhikari was selected from a cross made in 1975 between the F1 plants of a cross Shu-2800 x Hokuriku-100 and Nagoyutaka. The main characteristics of Kinuhikari compared with Koshihikari and Mineasahi were as follows. (1) Plant type: Intermediate type with a short culm. (2) Maturing date: Extremely-early-maturing, 1-2 days later than Koshihikari, 2-4 days earlier than Mineasahi. (3) Yielding ability: Higher than the check varieties. (4) Yield components: Number of ears and spikelets per m2 was less, percentage of ripened grains was higher and 1000-kernel weight was relatively heavy. (5) Quality of husked rice and eating quality: As good as the check varieties. (6) Lodging resistance: Stronger than Koshihikari, but more susceptible than Mineasahi. (7) Pre-harvest sprouting: More susceptible than Koshihikari. (8) Disease resistance: Moderately resistant to rice blast. This new cultivar is adapted to early-season culture in flat areas and fertile land
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