. Fruit farming: practical and scientific, for commercial fruit growers and others. Fruit-culture. 158 fordshire; Durondeau is slightly self-fer- tile; most pears seem to be self-sterile. In apples it is advisable to interplant different varieties. It is possible that where everything is favourable a variety miay be more self-fertile in one place than another. However, it seems probaiblc that no variety will produce the same quantitjf and quality planted in 'block as. Bush of Cox's Orange Pippin, with Bags for Trials to find the Best Polliniser. where interplanted with one or more other variet
. Fruit farming: practical and scientific, for commercial fruit growers and others. Fruit-culture. 158 fordshire; Durondeau is slightly self-fer- tile; most pears seem to be self-sterile. In apples it is advisable to interplant different varieties. It is possible that where everything is favourable a variety miay be more self-fertile in one place than another. However, it seems probaiblc that no variety will produce the same quantitjf and quality planted in 'block as. Bush of Cox's Orange Pippin, with Bags for Trials to find the Best Polliniser. where interplanted with one or more other varieties. Of apples that have shown themselves the most self-fertile in trial at Wisley, Merton and at Wye, may be men- tioned Stirling Castle, Christmas Pear- main, Miller's Seedling, Irish Peach, Lord Derby, Lord Grosvenor, Duchess of Oldenburg, Golden Spire, King of the Pippins, Baldwin and Washington. A few of these fruits were seedless. Out of 157 varieties of apple experimented on at the Koyal Horticultural Society for three years only 57 matured any fruit with own pollen. A consideration of importance is whether any and all varieties of the same fruit answer equally well for cross- pollinating, or whether there is prefer- ence and better results with some crosses than with others. To answer this ques- tion requires long and patient experiment and, of equal importance, careful observa- tion in orchards and plantations in different parts of the country. Now as to insect visitors. Personally, I have a great admiration (in spite of many stings) for the hive bees. To the bumble bees I almost take off my hat when I see them, and value the work of the other smaller wild bees, but I think flies chiefly play and beetles eat the different parts of the blossoms. Insect Visitors to Fruit Blossoms. The following is a summary of notes on insects seen by me visiting the flowers of the following fruits. In 1912 they were chiefly taken at Sidmouth, in Devon; in 1919 at Wye, Kent; and in 1921
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