✦ LIBER ✦
Responses of elongation growth rate, turgor pressure and cell wall extensibility of stem cells ofImpatiens balsaminato lead, cadmium and zinc
✍ Scribed by Sharifah Barlian Aidid; Hishashi Okamoto
- Book ID
- 104655984
- Publisher
- Springer Netherlands
- Year
- 1993
- Tongue
- English
- Weight
- 323 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1572-8773
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✦ Synopsis
Elongation growth rate of stem cells of Impatiens balsamina was inhibited by the heavy metals Pb 2+ , Cd 2+ and Zn 2+ due to their suppression on cell wall extensibility. Effective turgor was also inhibited by Pb 2 § and Cd 2+ but it played a secondary role in reducing the stem cell elongation growth rate. The major rate-limiting factor for cell elongation growth was the cell wall extensibility. Furthermore, Cd 2 § was found to be more toxic than Pb 2+ , while Pb 2+ was more toxic than Zn 2+ .