History of Bordeaux wine American domination of the reviewing of wine, especially Bordeaux. The result was a broader appeal of Bordeaux wine where the presence of "fruit" became a much more important factor than previously. This critical selection of grapes also resulted in many chateaux introducing second wines, so not to waste good but not optimum quality grapes. It was also the introduction of the "en primeur" concept where traders alongside critics are invited to Bordeaux six months after harvest, to sample the new wine. Bordeaux used to have a significant production of white wines, with Entre-deux-Mers, a primarily white wine area. Unlike the
Margaret River (wine region) with only 200 millimetres of the annual 1160 millimetres falling between October and April. The low diurnal and seasonal temperature range means an unusually even accumulation of warmth. Overall the climate is similar to that of Bordeaux in a dry vintage. Although the region produces just three percent of total Australian grape production, it produces over 20 percent of Australia's premium wine market. The principal grape varieties are fairly evenly split between red and white; Cabernet Sauvignon, Chardonnay, Sauvignon blanc, Sémillon, Shiraz, Merlot, Chenin blanc and Verdelho. There are no official Margaret River subregions, although in 1999 viticultural scientist Dr