New PDF release: Apples: Botany, Production and Uses

By D. C. Ferree, I. Warrington

ISBN-10: 0851995926

ISBN-13: 9780851995922

This booklet presents a accomplished reference paintings, summarising our wisdom of apples and their creation around the world. It contains 24 chapters written via overseas gurus from the united states, Canada, Europe and New Zealand. the most matters addressed comprise taxonomy and creation information, plant fabrics, apple body structure, orchard and tree administration, crop security (including natural production), harvesting and dealing with and usage. The publication can be of vital curiosity to these operating in horticulture and botany.

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Additional resources for Apples: Botany, Production and Uses

Sample text

Programmes develop cultivars adapted to an area’s extreme climatic conditions. Genetic improvement of plant form involves selection of tree habits that allow high productivity and regular bearing. Hybridizations involve important commercial cultivars, old local cultivars and wild Malus species. 1 USA In 1983 there were 19 public apple-breeding and genetic programmes in the USA (Brooks and Vest, 1985). Today there are only two full-time programmes – one each in Washington State and New York. Five other programmes in the USA divide their efforts between apples and other crops.

It needs general acceptance of the present realities, a vision of how to move forward and a willingness to take bold actions to put that vision into effect. A number of global institutions have sought to build such a vision and plan of action. The Southern Hemisphere Association of Fresh Fruit Exporters (SHAFFE), at its October 1999 meeting in Atlanta, set up a task force to study future joint actions (Dall, 1999). , 2000). WAPA hopes to attract participation from the USA, China and other leading producing countries.

Some of the older, local cultivars are rapidly disappearing, while others have proved more resilient. In turn, some of the newer cultivars have flourished in certain districts while some have not. Official data on cultivars are either very limited or not available at all for many countries. Estimates of cultivar trends for 34 major producing countries (not including China) were developed by O’Rourke (2001). 1). If China is included, ‘Fuji’ production will continue to leap ahead because China is estimated to have 45% of its production in this one cultivar.

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Apples: Botany, Production and Uses by D. C. Ferree, I. Warrington


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