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| Titel: |
Studies on the effect of caffeine on growth and yield parameters in Helianthus annuus L. variety Modern |
| Auteur: |
T Khursheed MYK Ansari D Shahab |
| Verschenen in: |
Biology and medicine |
| Paginering: | Jaargang 1 (2009) nr. 2 pagina's 56-60 |
| Jaar: |
2009 |
| Inhoud: |
In present investigation, the seeds of Helianthus annuus L. variety Modern were treated with nine differentconcentrations (0.05%, 0.25%, 0.50%, 0.75%, 1.00%, 1.25%, 1.50%, 1.75% and 2.00%) of caffeine to raise the M1generation and the effect of caffeine on seedling height on 30th day of sowing, mature plant height, days to maturityand yield parameters was observed. Generally, the lower doses of caffeine were found stimulatory for the seedlingheight on 30th day of sowing, mature plant height, days to maturity and 100-seeds weight. While, the number of seedsin treated plants showed a dose dependent increase with the increasing doses of mutagen. It shows that caffeine inits lower doses has stimulatory effect on growth and yield in Helianthus annuus L. while the higher doses haveinhibitory effect and reduce the growth and yield upto some extent except number of seeds. |
| Uitgever: |
E Business Navigators (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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