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Articles

INFLUENCE OF PUTRESCINE ON FRUIT-SET OF APPLE (CV “RUBY SPUR”)

Article number

149_22

Pages

189 – 196

Language

Abstract

Putrescine was sprayed on "Ruby spur/MM 106" apple trees, at different times of application in order to increase fruit set.

The putrescine concentration of 10^-3M applied at 20–30% open flowers or of 10^-2M at full bloom induced the best fruit set.
Also the fruit growth was generally increased by putrescine treatment.

As far as the uptake study is concerned the amount of polyamines (putrescine, spermidine, spermine) found in samples of flowers and leaves sprayed in open field with 10^-3M solution of each polyamine reached a maximum value within 1 hour after treatment.

Publication

Flowering and Fruit Set in Fruit Trees

Authors

G. Costa, R. Baraldi, N. Bagni

Keywords

Full text

https://doi.org/10.17660/ActaHortic.1984.149.22

Online Articles (27)

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M.J. Grochowska | A. Karaszewska | B. Jankowska | A. Mika

4. FLOWER-BUD FORMATION IN APPLE AS AFFECTED BY AIR AND ROOT TEMPERATURE, AIR HUMIDITY, LIGHT INTENSITY, AND DAY LENGTH

J. Tromp

5. EFFECT OF TEMPERATURE ON FORMATION OF FLOWER BUDS IN TWO APPLE CULTIVARS

H. Jonkers

6. PHENOLOGY OF FLOWERING IN CITRUS AND AVOCADO AND ITS SIGNIFICANCE

E. Salomon

7. VEGETATIVE VIGOR CONTROL OVER LOCATION AND FATE OF FLOWER BUDS, IN FRUIT TREES

J.J. Crabbé

8. THE FLOWERING PROCESS AND ITS CONTROL

R. Marcelle

9. CROSS POLLINATION OF FIVE SOUR CHERRY CULTIVARS

G. Redalen

10. CHARACTERISTICS AND PERFORMANCE OF SEVERAL POLLINIZERS FOR NAPOLEON CHERRY

V.M. Guerrero-Prieto | P.B. Lombard

11. FLOWER MORPHOLOGY OF 23 CULTIVARS OF APRICOT

R. Quarta | R. Brunialti

12. THE EFFECT OF TEMPERATURE ON POLLEN TUBE GROWTH AND FRUIT SET ON PLUM TREES

J. Keulemans

13. RESULTS OF FIVE YEARS OF POLLINATION EXPERIMENTS ON SWEET CHERRIES.

J. Keulemans

14. THE EFFECT OF REPEATED OR MIXED CROSS/AND SELF-POLLINATION ON FRUIT AND SEED SET OF APPLE AND PEAR

T. Visser

15. THE INFLUENCE OF STORAGE AND OF ORGANIC NUTRIENTS ON THE GERMINATION OF POLLEN AND FRUIT SET OF APPLE AND PEAR

M. Clara Marcucci

16. INFLUENCE OF THE TEMPERATURE ON POLLEN GERMINATION OF DIFFERENT CULTIVARS OF APPLE AND PEAR : TRIALS IN VITRO

T. Deckers | W. Porreye

17. COMPETITION AMONG FRUITS IN OLIVE II. INFLUENCE OF INFLORESCENCE OR FRUIT THINNING AND CROSS-POLLINATION ON FRUIT SET COMPONENTS AND CROP EFFICIENCY

Ma. Paz Suarez | R. Fernandez-Escobar | L. Rallo

18. FRUIT SET AND GROWTH REACTIONS OF PEAR TREES, CV. DOYENNE DU COMICE ON QUINCE A, PRUNED AT DIFFERENT RATIOS OF VEGETATIVE ON GENERATIVE BUDS

J. Helsen | J.C. Deckers

19. FLOWER BUD QUALITY IN THE PEAR CULTIVAR DOYENNE DU COMICE : 1982–1983 TRIALS

L. De Maeyer | J.C. Deckers

20. FACTORS AFFECTING HORMONE-ASSISTED SETTING OF COX’S APPLE

G.K. Goldwin

21. UPTAKE, TRANSLOCATION AND METABOLISM OF ALIPHATIC POLYAMINES IN LEAVES AND FRUITLETS OF MALUS DOMESTICA (CV. RUBY SPUR)

N. Bagni | R. Baraldi | G. Costa

22. INFLUENCE OF GROWTH REGULATORS ON FRUIT DEVELOPMENT

F. Fankhauser | R. Schumacher

23. INFLUENCE OF PUTRESCINE ON FRUIT-SET OF APPLE (CV “RUBY SPUR”)

G. Costa | R. Baraldi | N. Bagni

24. DELAYING FLOWERING AND IMPROVING THE YIELDS OF VICTORIA PLUM WITH PLANT GROWTH REGULATOR SPRAYS

A.D. Webster

25. THE EFFECT OF PLANT GROWTH REGULATOR SPRAYS AND SUMMER SHOOT TIPPING ON THE FRUIT SET AND YIELD OF YOUNG PLUM TREES

A.D. Webster

26. EFFECT OF TIME OF GA₃ TREATMENT ON ‘AGUA DE ARANJUEZ’ PEAR FRUIT SET

M. Herrero

27. THE EFFECT OF SETTING MIXTURES ON THE CROPPING, FLOWERING AND VEGETATIVE GROWTH OF SWEET CHERRY

A.D. Webster | G.K. Goldwin