Plant growth stimulating activity of fresh water micro algae
Kishore J Patil
, Harshada Nandre
, R T Mahajan
, Chiranjib Banerjee
, Pratyoosh Shukla
and Rajib Bandopadhyay
- Department of Biotechnology, Moolji Jaitha College, Jalgaon, Maharashtra (India).
- Department of Biotechnology, Birla Institute of Technology, Mesra, Ranchi, (India)
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The objective of this study is to screen the cultivable microalgae for growth promoting activity. Four axenic microalgae (Chlorophyta) strains from three genera (Chlorella, Scenedesmus and Chlamydomonas) were analyzed for endogenous growth promoting activity. The microalgae strains were tested for phyto-toxicity and phyto-stimulation against cucumber seeds. All the microalgae show phyto-stimulating activity and devoid phyto-toxic activity. Cytokinin-like activity was detected using the excised cucumber cotyledon bioassay. Out of 4 strains, two showed high cytokinin-like activity and others have relatively low cytokine-like activity. Although tested algae are not subjected for auxin like activity, but Chlamydomonas sp. shows high root stimulation in dark condition. From all tested samples, Chlamydomonas sp. has both high root and shoot stimulating activity.
[Kishore J Patil, Harshada Nandre, R T Mahajan, Chiranjib Banerjee, Pratyoosh Shukla and Rajib Bandopadhyay (2015); Plant growth stimulating activity of fresh water micro algae Int. J. of Adv. Res. 3 (May). 284-288] (ISSN 2320-5407). www.journalijar.com
