Kirkwood Red navel

• The Kirkwood Red navel is owned by the Origin and use Tree characteristics Kirkwood Red Trust in the Eastern Cape Kirkwood Red was a chance mutation that The tree is compact, precocious and highly region of South Africa. developed from a Palmer navel tree planted productive and has a similar growth habit at Kirkwood Red Trust. to that of Washington navel. • The Kirkwood Red navel is protected by the Plant Breeders’ Rights Act, of Kirkwood Red is a novel, high-quality The tree is unique in that the vascular South Africa ,1976 (as amended), and variety that can be differentiated by bundles in the leaf and fruit stem are unlawful propagation is not permitted the trade and identified by the consumer clearly red in colour. (PBR No. ZA 20084103). due to its external blush, dark red internal pigment and exceptional taste. In terms Kirkwood Red navel trees are compatible • Kirkwood Red navel will be marketed of consumption, Kirkwood Red navel has with most trifoliate hybrid rootstocks, such under a trade name to ensure that fruit excellent potential for the differentiation as the (Troyer and Carrizo) and meets with exceptional fruit quality of pigmented fruit with higher anti oxidant Swingle . The compatibility on specifications. levels and to add colour to fruit salads, C35 is unknown. juice, etc.

Fruit Characteristics Climate requirements • The fruit size is similar to that of Palmer Climatic suitability of Kirkwood Red navel under similar crop load conditions. navels is for all navel production areas in South Africa. • Time of maturity is similar to that of Washington navel. The variety is slightly The variety performs well in inland navel later maturing than Cara Cara navel. production areas.

• Kirkwood Red fruit have relatively The internal lycopene (colour pigment) high juice content and a small closed will be accentuated in hotter navel end navel. production areas.

• The fruit has a unique flavour which clearly differentiates it from other red pigmented navels. Tree with fruit

Leaf shape Fruit shape

Kirkwood Red navel: Technical information

Hybrid Branch mutation of a Palmer navel tree Tree characteristics Compact compared to Cara Cara and Origin Kirkwood, Eastern Cape, South Africa precocious in bearing. Red pigmentation also develops in bark and twigs. Ownership Kirkwood Red Trust Fruit size Large to medium Selected 1992 Fruit shape Round to slightly oval with small navel-end. PBR registration ZA 20084103 External appearance Deep to light red colour Status Semi Commercial Internal appearance Pigmentation expected to be a T1 compared to colour Plate 34a. Dark red pigment with thin rinds Internal quality tests Peelability Good peelability Test date Juice % Brix % T.Acid % Brix / TA Ratio Seed None 29 May 58.7 11.0 0.92 11.95 Flavour Exceptional flavour due to high internal quality and pigment

Optimum ripening date Similar to Washington Alternate bearing or No problems noted to date other problems Rootstocks used in Carrizo evaluation

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