biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 48:7-11, 2004 | DOI: 10.1023/B:BIOP.0000024268.20248.33

Culture Tube Closure-Type Affects Potato Plantlets Growth and Chlorophyll Contents

A. Chanemougasoundharam1, D. Sarkar1, S.K. Pandey1,*, F. Al-Biski3, O. Helali3, J.S. Minhas2
1 Division of Crop Improvement, Central Potato Research Institute, Shimla, Himachal Pradesh, India
2 Division of Crop Physiology and Post-Harvest Technology, Central Potato Research Institute, Shimla, Himachal Pradesh, India
3 GOSM, General Organization of Seed Multiplication (, Aleppo, Syria

The effect of different hermetic and non-hermetic closure-types (aluminum foil, cotton bung, cotton plug, polypropylene cap and Steristopper) on potato (Solanum tuberosum L.) plantlets growth and chlorophyll contents was studied in three genotypes belonging to different maturity groups. Plantlets grown in culture tubes closed with aluminum foils and polypropylene caps had higher fresh mass and shoot length, but lower chlorophyll contents, higher senescence index and various morphological abnormalities. Non-hermetic closures like cotton plugs and Steristoppers were found optimum for plant growth without any morphological abnormalities. Besides, these plantlets exhibited low senescence index and had higher chlorophyll contents that favour acclimation to ex vitro conditions.

Keywords: gas exchange; micropropagation; Solanum tuberosum; tissue culture; vessel closure
Subjects: chlorophyll, in vitro culture, cultivar differences, vessel closure; cultivar and genotype differences, drought, heat shock protein; gas exchange, in vitro culture; in vitro culture, vessel closure-types; nutrient medium, Murashige and Skoog; potato, in vitro culture; Solanum tuberosum; vessel closure types, in vitro culture

Published: March 1, 2004  Show citation

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Chanemougasoundharam, A., Sarkar, D., Pandey, S.K., Al-Biski, F., Helali, O., & Minhas, J.S. (2004). Culture Tube Closure-Type Affects Potato Plantlets Growth and Chlorophyll Contents. Biologia plantarum48(1), 7-11. doi: 10.1023/B:BIOP.0000024268.20248.33
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