育成二倍体作物とその両親作物との生理生態学的性質の差異について : XII.種子の発芽とエンチーム

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(1) Studies weie made on the relation between the peroxidase content and germination of seeds in "Nori-Asa", an aro.phidiploid crop raised between Abeleeeoschus esculeletus and Abel. Maleihot, as weil as in the two parent crops of the amphidiploid . (2) In each crop the seeds proclticed in 194-7, 1948, 1949, 1950 and 1951 were stored in the ordinary condition and the seeds produced in 1947 were stored in tlle dry state. The germination tests and the measurement of peroxidase content were made in 1952. (3) The percentage of germination and the amount of peroxidase in the seeds of the three crops clecreased with the lapse of time. The percentage of germination was ca. 0 in the seeds of Manihot prrJduced in 1948, and also in those of esculeletus and "Norl Asa" produced in 1947, while the decrease of the amoun. t of peroxidase does not proc eed in parallel with that of the percentage of germination. Namely in esculentus the amount of peroxidase is kept quite high even in the seeds produced in 1947, and in Maecihot and "Nori-Asa" the decrease of peroxidase content was not foundin the seeds produced before 1949 and 1948 respectively (Fig, 1). (4) The decrease of the amount of peroxidasein the seeds was the lowest in esculeletus, and that of Manihot was the same as that of "Nori-Asa" in the seeds produced in 1949 and later, but in those produced earlier the decrease became lower in Maeeihot than in "Nori-Asa" ,(5) As for the seeds stored in dry state of the three crops which were produced ih 1947,the gemination was good and the amount of peroxidasewas very high than that ,of the seeds stored inthe ordinary condition. Especially tthe amount.1was quite abundant in "Nori-Asa".
日本育種学会の論文
1954-05-15

著者

桑田晃
香川農科大学

育成二倍体作物とその両親作物との生理生態学的性質の差異について : XII.種子の発芽とエンチーム

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