BMC Research Notes | |
Paclobutrazol treatment as a potential strategy for higher seed and oil yield in field-grown camelina sativa L. Crantz | |
Attipalli R Reddy1  BSK Chaitanya1  Anirban Guha1  Jella Satyanarayana2  Sreenivas Ghatty3  Sumit Kumar1  | |
[1] Department of Plant Sciences, University of Hyderabad, Hyderabad 500046, India;Department of Environment, A.N.G.R. Agricultural University, Hyderabad 500030, India;Tree Oils India Limited (TOIL), Zaheerabad 502226, India | |
关键词: Biofuel Camelina sativa Growth Paclobutrazol Physiology Seed yield; | |
Others : 1166600 DOI : 10.1186/1756-0500-5-137 |
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received in 2011-09-29, accepted in 2012-03-13, 发布年份 2012 | |
【 摘 要 】
Background
Camelina (Camelina sativa L. Crantz) is a non-food oilseed crop which holds promise as an alternative biofuel energy resource. Its ability to grow in a variety of climatic and soil conditions and minimal requirements of agronomical inputs than other oilseed crops makes it economically viable for advanced biofuel production. We designed a study to investigate the effect of paclobutrazol [2RS, 3RS)-1-(4-Chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol] (PBZ), a popular plant growth regulator, on the seed and oil yield of Camelina sativa (cv. Celine).
Results
A field-based micro-trial setup was established in a randomized block design and the study was performed twice within a span of five months (October 2010 to February 2011) and five different PBZ treatments (Control: T0; 25 mg l-1: T1; 50 mg l-1: T2; 75 mg l-1: T3; 100 mg l-1: T4; 125 mg l-1: T5) were applied (soil application) at the time of initiation of flowering. PBZ at 100 mg l-1 concentration (T4) resulted in highest seed and oil yield by 80% and 15%, respectively. The seed yield increment was mainly due to enhanced number of siliques per plant when compared to control. The PBZ - treated plants displayed better photosynthetic leaf gas exchange characteristics, higher chlorophyll contents and possessed dark green leaves which were photosynthetically active for a longer period and facilitated higher photoassimilation.
Conclusion
We report for the first time that application of optimized PBZ dose can be a potential strategy to achieve higher seed and oil yield from Camelina sativa that holds great promise as a biofuel crop in future.
【 授权许可】
2012 Reddy et al; licensee BioMed Central Ltd.
【 预 览 】
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Figure 1. | 44KB | Image | download |
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