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Growth and Differentiation of Seedlings of an Aquatic Plant, Trapella sinensis OLIV II. Photosynthesis and Respiration of Seedling in Early Stages

✍ Scribed by Dr. Akira Yabe; Dr. Masao Okuda; Prof. Dr. Hideo Takada

Publisher: John Wiley and Sons
Year: 1974
Tongue: English
Weight: 598 KB
Volume: 59
Category: Article
ISSN: 1434-2944
DOI: 10.1002/iroh.19740590406

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✦ Synopsis

Abstract

Trapella sinensis seedlings were examined to determine whether the effect of growth regulators such as gibberellin (GA~3~), kinetin and the extract of Chlorella cells on chlorophyll formation, photosynthetic activity and cytochrome oxidase activity depend upon the developmental stage. Each addition promoted the growth on both the basis of dry weight and of fresh weight. Among these regulators, only Chlorella extract promoted growth as a result of an activated rate of photosynthesis through increased chlorophyll formation. There also was an increased respiratory rate through increased cytochrome oxidase activity.

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Growth and Differentiation of Seedling of an Aquatic Plant, Trapella sinensis Oliv. I. Some Growth Characteristics in the Early Stage

✍ Dr. Akira Yabe; Dr. Masao Okuda; Prof. Dr. Hideo Takada 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 English ⚖ 798 KB

## Abstract It was shown that the early growth of __Trapella sinensis__ seedlings can be divided into two distinct stages based upon susceptibility for different growth‐regulators, such as gibberellin, kinetin, and the extract of __Chlorella__ cells grown in light. The two stages were observed on t