Investigations on the cause and control of alternate bearing of Unshu orange trees. III.

Ogaki, C.; Fujita, K.; Ito, H.

doi:10.2503/jjshs.32.13

Cited by 2 publications

(1 citation statement)

References 4 publications

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“…On one hand, the extreme depletion of carbohydrate reserves is of major significance (Goldschmidt and Golomb, 1982) and seems to be the critical factor underlying the collapse of 'Murcott' trees following an "on" year (Smith, 1976). But, on the other hand, the onset of the alternate bearing cycle might be related to an inability to form flowers on fruit-bearing twigs (Moss, 1981;Ogaki et al, 1963), presumably due to high levels of gibberellins produced by the seed (Plummer et al, 1989;Saidha et al, 1983) as in deciduous fruit trees ( Hoad, 1978;Pharis and King, 1985). Interestingly, some recently released seedless C. reticulata hybrid strains exhibit an extreme alternate bearing habit (Y. Kanonich, personal communication).…”

Section: The Dilemma: Hormones Vs Carbohydratesmentioning

confidence: 99%

Carbohydrate Supply as a Critical Factor for Citrus Fruit Development and Productivity

Goldschmidt¹

1999

HortSci

120

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Section: The Dilemma: Hormones Vs Carbohydratesmentioning

confidence: 99%

Carbohydrate Supply as a Critical Factor for Citrus Fruit Development and Productivity

Goldschmidt¹

1999

HortSci

120

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Annual Fluctuatlons of Sapfrults Productlon and S5rnchronlzatlon wtthtn and lnter Specles ln a Warm Temperate Forest on Yakushlma Island

直彦¹

1996

Tropics

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Eight years' fluctuations of fruit production were studied in a warn temperate broadleaved forest on Yakushima Island, southern Japan. Eight tree species characterized by sapfruits or capsules were studied, and all of them were regarded as animal dispersal Kelly, 1988) and predator avoidance hypothesis (Jarlzen,1971;Silvertown, 1980) are applicable for many species.The iesource matching hypothesis and the predator avoidance hypothesis belong to the different categories of explanation: the former is based on a proximate factor and the latter on an ultimate factor.Resource matching hypothesis mentions that climate is a primary factor: the good photosynthetic condition of a tree leads to mast fruiting and unusual weather restricts the level of investments to fruits, so that the fluctuation of rich or poor harvest becomes uniform within many individuals. Biennial fruiting is well known in the fruit horticulture (Hoblyn et al., !936), and the fluctuation of fruit production in orchards synchronizes entirely regional, or more widely, often in all Japan (Ito er al ', 1956)' For an aim to reduce annual harvest fluctuation, physiological mechanism offruit trees has been studied well (Nakagawa, t982). In cases of various fruit trees, the accumulation of starch is related to the decision of flower bud quantity (Davis, 1931; ogaki et al., !963; Sobajima, 1967).Predator avoidance hypothesis explains that the steep fluctuation of fruiting is an adaptation as many plants avoid seed predators in mast year by controlling predator's number low in poor harvest

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Investigations on the cause and control of alternate bearing of Unshu orange trees. III.

Cited by 2 publications

References 4 publications

Carbohydrate Supply as a Critical Factor for Citrus Fruit Development and Productivity

Carbohydrate Supply as a Critical Factor for Citrus Fruit Development and Productivity

Annual Fluctuatlons of Sapfrults Productlon and S5rnchronlzatlon wtthtn and lnter Specles ln a Warm Temperate Forest on Yakushlma Island

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