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Bud, Flower and Fruit Drop in Citrus and other Fruit Trees

  • N. Kaska
Part of the NATO ASI Series book series (volume 35)

Abstract

Fruit trees usually take many years before they produce a crop. This delay is perhaps longest in pistachio (about 15-20 years) grown for its nuts in some arid areas, and in seedling trees of walnut (10-15 years). In citrus, apple, pear and sweet cherries the delay is approximately 3-5 years but shorter in plums, peaches, apricots and figs. However, the time before first harvest can be shortened by certain cultural and technical measures e.g. girdling and ringing. It is quite obvious that the first requirement for fruiting is the formation of flower buds. But, between the initiation of flower buds and the differentiation to flowers, and from the flowering to fruit setting, many physiological processes must take place before a yield of fruit is achieved. One of the most important of these is the prevention of abscission of generative organs such as flower buds, flowers, small fruit and ripened fruit.

Keywords

Osmotic Potential Sweet Cherry Sour Cherry Small Fruit Navel Orange 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Acuff G (1988) Drought Teaches Lessons. Fruit Grower 108: 22Google Scholar
  2. Babu RSH, Rajput CBS, Rath S (1984) Effects of zinc, 2,4-D and GA3 on fruiting of Kogzi lime and Citrus auraniifolia Swingle. Indian J Hort 41: 216–220Google Scholar
  3. Brudel F, Sandke G, Scheffel HD (1983) Verlust Senkung durch Verminderung des Vorerntefruchtfalls bei Apfel. Under Anwendung von Mitteln zur Steuerung biologischer Prozesse. Gartenbau 30: 85–87Google Scholar
  4. Chandler VH (1951) Deciduous orchards. Lea and Febiger, PhiladelphiaGoogle Scholar
  5. Chundawat BS, Randhava GS (1972) Effect of ringing and root pruning on fruit set, fruit drop and quality of marsh seedless grapefruit (Citrus paradisi Macf.). Haryana J Hort Sci 1: 19–22Google Scholar
  6. Chundawat BS, Randhava GS (1973) Effect of plant growth regulators on fruit set, fruit drop and quality of Foster and Duncan cultivars of grapefruit, (Citrus paradisi Macf.) Haryana. J Hort Sci 2: 6–13Google Scholar
  7. Deidda P, Dettori S (1982) The efficiency of the isopropyl ester of 2,4-D in preventing fruit drop in Marsh Seedless grapefruit (in Italian). Rivista della ortoflorofruitticoltura Italiana 66: 239–246Google Scholar
  8. Desai UT, Chaudhari SM (1985) Studies on flower bud and fruit drop in sweet orange cv. Current Research Reporter 1: 61–63Google Scholar
  9. Edgerton LJ (1988) Don’t forget Alar advantages. Amer. Fruit Grower 108: 9Google Scholar
  10. Erdogdu H, Kaska N (1987) Investigations on the phenological and pomological characteristics of some local and foreign originated loquat varieties under Adana ecological conditions (in Turkish). J Sci Eng 1: 83–92Google Scholar
  11. Erickson LC (1968) The general physiology of citrus. In: Reuther W, Batchelor LD, Webber HJ (eds) The citrus industry, Rev edn. University of California, p 97Google Scholar
  12. Eti S (1987) Uber des Pollenschlauchwachstum und die Entwicklung der Samenanlagen in Beziehung zum Fruchtansatz under zur Fruchtqualitat bei der Mandarinens orte “Clementine” (Citrus reticulata Blando). Dissertation, University of HohenheimGoogle Scholar
  13. Eti S, Paydas S, Küden A, Kurnaz S, Kaska N (1988) Untersuchungen über Befruchtungsbiologie und Embryoentwicklung bei einiger Mandelsorten in Çukurova. Doga Bilim Dergisi (in press)Google Scholar
  14. Ferguson L, Davies FS, Ismail MA, Wehaton TA (1984) Growth regulator and low-volume irrigation effects on grapefruit quality and fruit-drop. Scientia Hort 23: 35–40CrossRefGoogle Scholar
  15. Goren R, Monselise SP (1971) Effects of ringing on yields of low-bearing orange trees (Citrus sinensis L. Osbeck). J Hort Sci 46: 435–441Google Scholar
  16. Gil SG, Cruz CE, Garcia EMG, Martino PA, Diaz ZF (1980) Induccion de color rojo en Manzanas can ethephon. Ciencia Investigacion Agraria 7: 77–88Google Scholar
  17. Hizal AY, Kaska N (1985) Investigations on the flower and fruit drops in Citrus (in Turkish). Derim 2: 3–25Google Scholar
  18. Kamber R, Oguzer V, Yazar A, Dincer D, Kaplankiran M, Sahin H (1988). A research on determination of the water consumption of grapefruit (Marsh Seedless) under Yesilkent Dörtyol light soil conditions (in Turkish). Doga Bilim Dergisi (in press)Google Scholar
  19. Kaska N, Pekmezci M (1974) Effects of 2-chloroethylphosphonic acid (Ethrel) on reducing fruit removal force of Kütahya sour-cherry (in Turkish). UAFA Yearbook 1973, 23: 1–2 and 87-101Google Scholar
  20. Kücükaydin HH, Kaska N (1987) Effect of Alar on the colouring and some quality factors of Amasya appple grown in Nigde and Pozanti district (in Turkish). J Sci Eng 1: 51–60Google Scholar
  21. Manabe K, Humuro M, Ashizawa M (1982) Relationship between flower thinning and leaf number and mineral content and the incidence of fruit dropping in satsumas (in Japanese). Tech Bull Faculty of Agric Kagawa University 33: 165–173Google Scholar
  22. Özbek S (1977) General fruit growing (in Turkish) ÇÖZF Publication No 11, AnkaraGoogle Scholar
  23. Özsan M, Bahçecioglu HR (1970) Investigations on the characteristics of Citrus species and varieties grown in Mediterranean Region under different ecological conditions (in Turkish). TöBITAK-TOAG Pub No 10:108, AnkaraGoogle Scholar
  24. Paydas S (1988) Effects of different concentrations of Ethrel on the fruit removal force of Kütahya sour-cherry grown in Pozanti (in Turkish) (in preparation)Google Scholar
  25. Stan S, Cotorobai M, Panea T (1984) The use of auxins in fruit thinning and preventing the pre-harvest fruit drop on Cure pear variety. Acta Hort 161: 171–176Google Scholar
  26. Yesiloglu T (1988) Effects of girdling and GA applications on leaf carbohydrates and mineral nutrient composition in Clementine mandarins in relation to fruit yield and quality. Ph D thesis (in Turkish) Doga Bilim DergisiGoogle Scholar
  27. Xu E, Tang I, Cherg D, Zhang I, Xie D, Ziang R (1982) Effect of BA and GA on fruit set and quality of Navel orange (in Chinese). Acta Hort Sinico 9:5–12Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1989

Authors and Affiliations

  • N. Kaska
    • 1
  1. 1.Department of Horticulture Faculty of AgricultureUniversity of ÇukurovaAdanaTurkey

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