Origin: in East Malling, England, by V.H. Knight and E. Keep, Hort. Res. Intl. From the cross of two East Malling selections of complex parentage, represents the sixth backcross from the Cumberland black raspberry (Rubus occidentalis); cross made in 1974; tested as EM 3655/48; introd. in 1992. Plant varieties rights held jointly by NSA Plants, East Malling, and Hort. Res. Intl. Tree: relatively high yielding; vigorous; good habit with tall, erect canes; well-presented fruit on moderately ascending lateral; less spiny than Leo or Malling Augusta. Relatively resistant to cane Botrytis and spur blight; moderately susceptible to cane spot, cane blight, and crown gall; may have some resistance to root rot. Has gene A10 conferring resistance to the four known strains of the European aphid vector of the raspberry mosaic virus complex; resistant to the common strain of raspberry bushy dwarf virus. Fruit: large; firm; dark red; roundconic, slightly irregular in shape; easily removed from receptacle; later ripening than Leo and slightly earlier than Malling Augusta; good flavor fresh and in jam; canned and frozen products superior to Glen Clova but not as well-flavored as Leo.
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