Thimann Laboratories, University of California, Santa Cruz, California 95064.
Plant Physiol. 1974 Sep;54(3):277-9. doi: 10.1104/pp.54.3.277.
Dry castor bean (Ricinus communis) seeds were cut transversely into halves and the half without the embryonic axis was placed in moist vermiculite at 30 C for 5 days. The development of the endosperm in the half-bean was found to be qualitatively similar to that in the whole seedling in the appearance of various enzymes of gluconeogenesis, the accumulation of glucose and sucrose as the end products of fat utilization, and the development of subcellular structure. It is concluded that during germination of castor bean, the embryonic axis does not directly control the developmental changes in the endosperm.
干蓖麻子（Ricinus communis）种子被横切成两半，没有胚轴的一半放在湿润的蛭石中，在 30°C 下放置 5 天。发现半粒种子中胚乳的发育在各种糖异生酶的表现、脂肪利用的终产物葡萄糖和蔗糖的积累以及亚细胞结构的发育方面与整个幼苗相似。结论是，在蓖麻种子发芽过程中，胚轴不会直接控制胚乳的发育变化。
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