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Press cuttings from around the world on the first genetically engineered hybrid antibiotic Meder-rhodin; 2pp; British Association for the Advancement of Science (BA) Programme, UEA, Norwich 1984 (at which Hopwood gave a talk about streptomycetes and antibiotics); correspondence between Hopwood and the BA, Royal Society etc.; papers for BA talk.

Negatives and photographs showing trees and fruit of JI apple, pear and cherry varieties and selections; tree fruit diseases (apple scab and mildew); strawberry breeding (plants and fruit of JI selections and varieties, disease: red core, June yellows); tomato (JI varieties, abnormalities). Also blackberry, raspberry, fruit chimaeras and sports, P-32 treatment of apple, tomato, pear x apple hybrid (nos. 751-753).

Separately kept incomplete set of duplicates of slides in the main series (AGB 2/6)

Amphibia, echino-dermata, fishes, hemichordate, insect, mollusca, reptiles, tunicate, zoology general Crustacea and arachnida, Dicotyledons, flagellate, insect, invertebrates, protozoa Dicotyledons, sex of animals and plants Cytology, evolution, genetics, genetics of microorganisms, grafts, heterostylism (primula), pigments (animals and plants) Botony and plant physiology Algae and lichens, bryophta, fossil botany, fungi, geology, gymnosperms, plant anatomy, ecology, geography, local floras, plant taxonomy, teratology, pteridophyta, human heredity Agriculture and horticulture Cereals and grasses, cultivated plants, origin and history, forest, fruit growing, greenhouses, medicinal plants, ornamental plants, plant breeding, hybrids, varieties, seed and seed production, stocks and scions, vegetable crops, weed control. Biochemistry and biophysics, botany early reprints, food, chemistry, fungi early reprints, methods and apparatus, plant pathology, protein structure, radiobiology, science and society statistics, zoology early reprints, oversize Bacteriophage, birds, cereals, cytology, drosophila, forage crops, genetics, heterogeneous crops, mouse, plant breeding, plant cytology, radiation mutagens, tropical agriculture. Subject and classified indexes.

Correspondence between (mainly) United Kingdom Cereal Pathogen Virulence Survey and GDH Bell, including completed surveys and meeting minutes: including surveys on yellow and brown rust of wheat, mildew, septoria, eyespot and net blotch of barley and crown rust of oats.

Correspondence between (mainly) United Kingdom Cereal Pathogen Virulence Survey and GDH Bell, including completed surveys and meeting minutes: including surveys on yellow and brown rust of wheat, mildew, septoria, eyespot and net blotch of barley and crown rust of oats.