White-skinned Filbert/Wispit/Nottingham
Plants sold in New Zealand under these names are indistinguishable and are probably the same cultivar.
It is probable that they are the variety called White Filbert in the USDA collection.
Other names used for this variety are: Avelline Blanche, Witpit Lambertsnoot, and Weiss Lamberts Nuss.
White-skinned Filbert is a very old cultivar, being known in Europe since the 1600′s (USDA, 2010).
They form low vigour, spreading bushes with many suckers.
The husk is twice as long as the nut and clasps it tightly.
Clusters often have 3 to 8 nuts per cluster, many falling as a complete cluster with nuts held tightly in the husk.
Pollen is shed mid-season; flowering is often split between some early flowers and a late flowering.
They are susceptible to bacterial blight and big bud mites.
Nuts are small to medium long nuts.
The shell is thin and the clean kernel has a strong hazel flavour.
Kernels often have a distinctive curved suture running from the base to the apex (USDA, 2010).
Percent kernel 50 – 52%.
These varieties have sometimes been used as pollinisers for Whiteheart.
White Avelline has S alleles 5 and 10 in the pollen (Mehlenbacher, 2002) and is therefore incompatible with Whiteheart (S2S10).
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