Oamaru Trial Site

The 2011 New Zealand Grassland Association paper titled “Improving red clover persistence under grazing”, highlights the strengths of Relish red clover. This work by Ford and Barrett, assessed 142 red clover accessions replicated in mixed swards under cattle grazing. These included a collection of 99 experimental populations and cultivars brought into New Zealand in 2006, and 35 New Zealand derived breeding lines, including 16 F1 progeny lines developed by crossing ecotypes from countries including Portugal, Georgia, Yugoslavia and Turkey with elite New Zealand cultivars, and 19 synthetics including Grasslands Relish. Eight commercial red clover cultivars were included as controls.
Table 1
In this work Relish showed significantly (P<0.05) higher growth (Figure 1) and persistence (Figure 2) than all other entries over the three and a half years of the trial. Figure 1, 2 and Table 1 present the relevant commercial lines from this work. After three and a half years under grazing, 60% of the Relish plants were alive (Figure 2). This was more than any other entry, and significantly (P<0.05) more than any commercial cultivars in the trial. 1 Adapted from improving red clover persistence under grazing. Ford, et, al. (2011) Grasslands - Gisborne.
Graph 3
Figure 3 shows the seasonal growth habit of 5 different cultivars of red clover over 3.5 years in Canterbury. In the South Island, red clover does not have much winter growth, but milder winter climates will require grazing through winter.
Hummer Trial Site
Photo: 11/09/2016
Oamaru Site Image | Agricom
Photo: 2/11/2016 following a grazing. Note: Festulolium U2 had low actual endophyte infection when supplied to the industry. 
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