Chislett Developments

M7 Navel

Bred by Greg Chislett, an Australian citrus grower, the development of the M7 started in 2004 when Greg noticed a limb mutation on a Spanish Navelina on his property.  The colour of the fruit on the limb was more advanced than the tree next to it and the fruit tasted so much sweeter.  Seven years of consistent data has proven the variety matures some three weeks earlier than Navelina, the shape is round and the strength of the rind has ensured that since its discovery in 2004, no albedo breakdown or creasing has been detected.  The Chislett’s firmly believe that one day the M7 variety will replace Navelina in the market place due to its excellent colour, shape, eating quality and robust skin.  Being growers themselves, the Chislett family have staged plantings in Australia and overseas to ensure that all stakeholders (growers and markets) are winners and that the variety is not over produced.

NSW Department of Primary Industry research horticulturist Graeme Sanderson said the variety was one of the best naturally occuring mutations he had seen in 20 years of citrus breeding.

“What stands out in the three years of data we have, is the high sugar content, sweet taste and the fruit is round”  he said. (Weekly Times May 1, 2009)

The variety has the ability to be harvested over an extended period (up to 4 months) and eats better at any stage due to the brix and acid levels being higher which not only increases the flavour of the fruit but also the shelf life.  

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