Unidad documental simple DB/4/2 - Bean Trials; Diseases

Extent: 1 Box

Photographs: Plants/beans showing Chocolate Spot, Ascochyta and Bean Rust and Mildew, 1983-1990. Slides: in sections: A - Autofertility, Germplasm, History, nd. B - Hybrid Vigour & Inbreds: 1971 C - Pod Shape & Size, nd. D - Lodging: 1984. E - Frost Damage in Field: 1954 -1976. F - Freezing Tests, 1963-1976. G - Chocolate Spot: 1973-1980. I - Virus & Disease: 1965-1984. J - Mutants:1975-1984. K - Flower Colour: classes of F2, F2 pink & spotless, crosses, purple, brown, nd [c 1965-80]. L - Testa colour, seeds, pod, seed size, 1976. Stipule spur, exceptions to rule, wing spur = stipule spur, nd. M - Cages: incl. Bee Cage and White Dead Nettle. N - Hybrid Production & Polar, 1965-1978. O - General & Others: demo, bean harvest, hedgerow loss, Whitehill [19]68, whole crop [19]67, virus on sugar beet, scaraweb [19]76, Westdock, Zurich 1977, Bee cage and White Dead Nettle 1965. P - Charts P1-20: acreage of beans in England and Wales, yields, classifications etc covering dates from 1870-1986. P - Charts: G & X, Hybrids & Inbreds, Nitrogen & Protein, Autofertility, Male Steriles etc., 1970s. N - Old Slides, Protein & Amino Acids: incl. charts, Bulldog v Topless winter trial 1978, choc spot [19]82. W - Flower Date & Maturity: comparisons, 1972. X - Machinery: French pneumatic drill, monosem drill, seedmaster, demo plots, 1974-1979. Y - EEC: comparison trials, 1977-1979.