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| Titel: |
An Alternative Protocol for Flowering Induction of Thai indica Rice (<I>Oryza sativa</I> L. sp. <I>indica</I>) Using a Short-Day Photoperiod Treatment |
| Auteur: |
Suriyan Cha-um Chalermpol Kirdmanee |
| Verschenen in: |
Journal of agronomy |
| Paginering: | Jaargang 6 (2007) nr. 1 pagina's 68-74 |
| Jaar: |
2007 |
| Inhoud: |
The aim of this study is to develop a novel technique for reproductive induction of Thai indica rice grown under environmental control system. Flower time of aroma rice cultivars, jasmine (KDML 105) and Homjan (HJ) were directly induced by 8 h photoperiod flux in both a month exposure and long-term exposure as short-day photoperiod sensitive. The growth characteristics, including plant height, leaf length, leaf area and flag leaf area, were highly regulated by short-day photoperiod. As well as, the Short-Day (SD) photoperiod (8-10 h day<SUP>-1</SUP>) was strongly enhanced on rice flowering over crop maturity and positively related to flag leaf area. On the other hand, the flower time of Pathumthani 1 (PT1) rice was initiated in all treatments as SD insensitive or day natural rice. In addition, the maturity or prolong the Day after Plantation (DAP) strongly stimulated on PT1 rice flowering over photoperiod treatments. The basic knowledge of this investigation was successfully applied to induce the flower in 7 lines of F<SUB>1</SUB> salt-tolerant rice population. It should be further used for rice pure-line production in a short period of breeding program. |
| Uitgever: |
Asian Network for Scientific Information, Pakistan |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 5 van 84 gevonden artikelen
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