ISHS Acta Horticulturae 171: I International Symposium on Water Relations in Fruit Crops
GROWTH RATE OF APPLE TRUNK AND FRUIT - ADDITIONAL INDICATORS FOR WATER NEEDS OF FRUIT TREES |
| Author: | M. Iancu |
| Abstract:
Several research workers (Assaf et al., 1974; Fiedler and Weier, 1969; Goode and Hyrycz, 1964; Goode and Ingram, 1971; Iancu, 1975, Kozlowski, 1968) have shown that the growth of tree trunks varies according to the water status of the soil. Verner et al. (1962) and Taerum (1964) even used trunk diameter in deciding when to irrigate orchards. Other research workers (Cockroft, 1963; Furr and Magness, 1932; Furr and Taylor, 1939) have shown that the volume growth of fruit could also be an indicator for irrigation time. However, few investigators did simultaneous measurements on the same fruit trees for establishing whether the trunk or fruit growth is more important. This paper describes some comparisons of trunk and fruit diameter changes during 1981–1982 at the Research Institute for Fruit Growing Pitesti-Maracineni. | |
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