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Descriptions of fruit of apple selections (seedling nos. 1-11,000). Also list of "apples in the JI Bayfordbury collection", with notes on those to be moved to Norwich. Includes 35mm slides of some selections.

Descriptions of fruit: JI apple selections from scab programme (seedling nos. 10678-11777, 33807-34219)

Abundance of flowering of named varieties and JI seedlings each year.

Lists of varieties and selections recorded: apple, plum, pear. Also key to colours used on record sheets.

Apple varieties grouped by mildew resistance; table of mildew resistance in malus species.

Descriptions of fruit: cider, culinary and dessert apple cultivars. Also a few non-JI selections. File includes key to apple punch card system.

Descriptions of fruit: apple seedlings 2954-8364, 24108-26484

Screening tests; race - 5 studies; phytotoxin