Tetraploid induced by physical and chemical methods in Jinjiang oyster（Crassostrea rivularis）
Tetraploid induced by physical and chemical methods in Jinjiang oyster(Crassostrea rivularis)出 版 物：《Acta Oceanologica Sinica》 (海洋学报（英文版）)
年 卷 期：1994年第13卷第2期
页 面：275-283页
核心收录：
学科分类：070702[理学-海洋化学] 07[理学] 0707[理学-海洋科学]
主 题：Tetraploid physical shock chemical shock Jinjiang oyster Crassostrea rivularis
摘 要：In order to induce tetraploid into Jinjiang oyster (Crassostrea rivularis), embryos were treated with physical (cold or heat shock) and chemical (chlorpromazinum or traditional Chinese medicine)methods in the first 3 min before the cleavage of zygotes or at the onset of the first cleavage of one or two eggs. Measurements show that the induction rates of tetraploid in the embryos inspected are 28%, 30%, 28. 4% and 35. 8% for heat-shock (39℃, 3 min),cold-shock (10℃, 3min),chlorpromazinum (0. 375 mg/dm3, 10 min) and traditional Chinese medicine (50 g/dm3 )extract (57 cm3, 10 min),respectively. The tetraploid induction rate in the larvae treated with traditional Chinese medicine is 32. 5%.It is evident that the induction rate of tetraploid in embryos insected at an early stage is the most remarkable when treated. with traditional Chinese medicine.
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