国立清华大学理科·生物学心理学·国立清华大学·第二卷

国立清华大学理科：生物学心理学_国立清华大学_二 [国立清华大学理科]國立清華大學理科報告 v,noPHOTOTROPISMOFDECAPITATEDCOLEOPTILE OF AVENASATIVA TSI-TUNGLI In recent years the coleoptile of Avena satia has been subjected to close study concerning its phototropism.Most studies,however,deal with the intact coleoptile;works on the decapitated coleoptile are comparatively scarce.PHOTOTROPISM OF DECAPITATED COLEOPTILEOFAVENA SATIVA phototropism,as advocated by Went jr(l1) and others.As we know,the decapitated coleoptile still contains some amount of growth substance in its subapicalpartafteritsdecapitation.Thisremainingportion isresponsible for thefirstmaximum.
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