Ground Cover Supplement : GC Supplement - Oilseed breeding
19 OILSEED BREEDING GROUND COVER SOYBEANS is supported by the GRDC, CSIRO, Industry and Investment NSW and Soy Australia, MoonbiA has several other improved traits over Cowrie and Soya 791A: n attractive round seed shape, shiny seed coat, clear hilum and good potential for large seed size, which is advantageous for soybean processing; n suited to human consumption markets requiring high protein levels -- similar to Cowrie and consistently higher than Soya 791A over several seasons of analysed data; n improved weathering tolerance, although not as high as Zeus; n seedlings have much better tolerance to waterlogging than Soya 791A -- observed in field situations over several seasons; n improved tolerance to manganese toxicity -- greater than Soya 791A; n erect habit -- MoonbiA is not prone to lodging and does not have a twining habit like Soya 791A and both these traits help reduce humidity in the canopy, which in turn reduces the potential for fungal disease development; and n quick and clean defoliation improving ease of harvest. Soy Australia will be managing the release and commercialisation of MoonbiA in 2010. □ GRDC Research Code CSP00104 More information: Dr Natalie Moore, research agronomist, Industry and Investment NSW, 02 6640 1637, firstname.lastname@example.org; Denis M'Gee, commercialisation manager, Soy Australia Ltd, 02 4981 8690, email@example.com EARLY MATURITY HELPS AVOID THE RISK OF RAIN DAMAGE AT HARVEST. SWEET BREAK FOR SUGARCANE Soybeans are an ideal break crop for sugar as they improve soil health and therefore subsequent cane yields. Andrew Dougall, senior extension officer for Maryborough Cane Productivity Services, has calculated that even when cane prices are high ($420 a tonne) a soybean rotation -- rather than ploughing out and replanting sugar -- is financially viable. On a 100-hectare property sowing approximately 20 per cent to soybeans each year at the end of four years of sugar, he calculates that the whole-farm gross margin increases by 10 per cent, compared to just ploughing out and replanting sugar. This calculation was done using the Farm Economic Analysis Tool (FEAT), which was developed by Queensland Primary Industries and Fisheries (now the Department of Employment, Economic Development and Innovation). His scenario was for irrigated crops grown in south-east Queensland where delaying the replanting of sugarcane would have a negligible affect on sugar yield. Detailed calculations are available from Andrew Dougall, however, the bottom line indicates that growing soybeans as a break for sugar offers an opportunity for both the soybean and sugar industries. More information: Andrew Dougall, senior extension officer, Maryborough Cane Productivity Services, 07 4121 3897, firstname.lastname@example.org PHOTO: ANDREW DOUGALL In south-east Queensland, soybeans are proving to be a cost-effective break crop for sugar.
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