原産地を異にせる稻種子の發芽に及ぼす低温の影響に就いて
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概要
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Many vatieties of rice introduced considerably long years ago into Japan, were cultivated under uniform conditions on paddy field of the Mie Agricultural College in 1947 and experiment was taken in thermostat controlled at 15℃ and 30℃ in January in 1948. Results are as follows. (1)In 30℃-test, germination percentage and speed of all varieties except two originated in India, are very good and there are no difference within varieties and localities originated. So it is clear that seeds used are very good. Cause of bad germiination of two varieties from India are yet unknown. (2) In 15℃-test, varieties having round-shaped kernels (so-called Japonica) are better in germination percentage than those having long-shaped kenels (so-called Indica). Among the former, Japanese water rice, Japanese hill rice and Korean varieties are the best. Among the latter, Indian varieties are the worst. But mean germination speed of Japanese hill rice and Korean varieties are more rapid than Japanese water rice varieties. (3) As the results of the present observation, it will be probably said that difference of germination under lower temperature may be based rather on ecological difference due to localities than on each varietal difference. Also it may be said that the germinating capacity under lower temperature will not disappear in many years since importation to other country and that it will be considered as a fixed race character.
- 日本作物学会の論文
- 1949-10-30
著者
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- 原産地を異にせる稻種子の發芽に及ぼす低温の影響に就いて
- 禾穀類幼作物の内部形態
- 〓に關する調査 : 第二報 澱粉の膨潤性に就て
- 二三 馬鈴薯の催芽に及ぼすエチレン・チオシアノ・ヒドリン、エチール・カービラミン及インドール・アセチック・アシッドの影響((B)菽穀類及根菜類に關するもの)
- 一一 小麥・燕麥の鞘葉に於ける原形質の流動・電位・成長の關係((A)禾穀類に關するもの)
- 二一 蓼科休眠種子内部のカタラーゼ, 呼吸, 後熟及發芽の相互關係 ((D) 作物一般に關するもの)
- 一六 ココ椰子の研究 其二 : 脱殻果の重さと乾肉(コプラ)の重さとの關係 ((C) 工藝作物に關するもの)
- 一五 ココ椰子樹の均一性の試驗 ((C) 工藝作物に關するもの)
- 一〇 蕎麥の形態學及細胞學的研究 ((A) 禾穀類に關するもの)
- 一〇八 單子葉植物の再生作用 ((D) 作物一般に關するもの)
- 三八 煙草葉の構造に及ぼす摘心(摘芽を含む)作業の影響 : 葉の大さ、細胞の大さと數並に葉脈に就いて ((C) 工藝作物に關するもの)