Varieties, plant breeding and release

Permanent URI for this collectionhttp://elibrary2.sugarresearch.com.au/handle/11079/13841

Research outcomes: Comprehensive and efficient variety breeding, selection and release programs responding to yield expectations, environmental constraints, resource scarcity and regional preferences. Faster varietal adoption using advanced methods for bulking, distribution and planting.

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1995 - 19983

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Subject: search.filters.subject.Clones

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Now showing 1 - 3 of 3
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    Construction of synthetic Fiji virus resistance genes for use in sugarcane : SRDC final report BS86S
    (1998) Smith, GR; Handley, JA; Dale, JL; Harding, RM
    Fiji disease of sugarcane, caused by Fiji disease fijivirus (FDV), is one of the most important diseases affecting sugarcane in Australia. FDV is a member of the reovirus family and has a multipartite genome consisting of ten segments of double stranded (ds)RNA ranging in size from 1.8 to 4.4 kilobasepairs (KBP). The total genome size of FDV is approximately 30 kbp. Approximately 80% of the fdv genome has now been clones and sequenced. The majority of the FDV segments characterised to date encode a single protein product, indicated by the presence of a single open reading frame (ORF). Two of the segments, 7 and 9, were found to contain two ORFs each and hence encode two proteins. The predicted functions of segments 1, 3, 5, 7, 8, 9 and 10 have been assigned based on homology to equivalent segments in related reoviruses, and\or protein expression studies. A construct containing ORF 1 from segment 9 has been prepared and used to transform the sugarcane cultivars, Q117 and Q124. Transgenic plants have been produced for each of these cultivars and are currently being prepared for challenge experiments with FDV.
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    Genotype X environment interaction for clones and crosses planted in Southern Queensland and Northern New South Wales : SRDC final report BS15S
    (1997) Bull, JK
    The main aims of this project were to assess whether original seedling families produced for south Queensland would be suitable for the New South Wales sugar industry and to determine whether clones selected at the Bundaberg Sugar Experiment Station would perform similarly under northern New South Wales cropping conditions.
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    Seasonal distribution of growth and sugar accumulation in sugarcane : SRDC project BS5S Final report
    (1995) Cox, MC
    At existing levels of cane yield, an extra unit of sugar content during May, June and July represented 47 6000 tonnes of sugar worth $13.3m at 1987 prices when this project was initiated. The situation now, with annual crops of greater than 30m tonnes and higher sugar prices, would provide greater returns. The potential for increasing early sugar through breeding and selectio has been demonstrated (see BS25S Final Report). Selection for high early sugar content may change the seasonal pattern of yield accumulation and affect regional adaptation.