小豆子実の発育について

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[I] Anatomical observations of the growth of embryo, seed, and pod. [Fig. I] The morphological changes of these organs during flowering to maturation were observed, and 9 principal stages of development were recognized, as shown in the microphotographs. (1) Stage of pro-embryo differentiation. -(from flowering to 5 days after flowering). (2) Stage of cotyledon differentiation and elongation. (5-10 days after flowering). [pl. 1] (3) Stage of first simple leaf differention and elongatiatron. (10-15 days after flowering). Accumulation of starch grains begins in the cotyledon, the volume of pod increases, the nabel diffferentiate and the seed elongates. [pls. 2 and 3] (4) Stage when the leaf stipule on the first simple leaf differentiates and elongates. (15-20 days after flowering). The volume of seed increases. [pl. 4] [pl. 5] (5) Stage when the leaf veins differentiate on first simple leaf. (20〜25 days after flowering). (6) Stage of first trifoliate leaf differentiation-"green ripe". (25-30 days after flowering). Red colour appears in the palisade parenchyma of seed coat, and the pod becomes into the maximum size [pl. 6] (7) Stage of radicle elongation "yellow ripe". (30-35 days after flowering) [pl. 7] Hypocotyl elongates, and the size of seed reaches its maximum. (8) Stage when the growth of embryo stops. (35〜40 days after flowering). The suspensor is detached from the seed. [pl. 8] (9) Stage of the dormant embryo-"Dead ripe". (40〜45 days after flowering). [II] Development of seeds in relation to their location in the pods. [Fig. II] The growth of the top seed in a pod is most rapid at the early stage of development, but 15 days after flowering the growth of the middle seeds (3rd-5th from the top) becomes most rapid and vigorous.
日本作物学会の論文
1957-09-20

著者

反田嘉博
京都学芸大

小豆子実の発育について

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