NDLI: Flower bud differentiation and development in fruiting and non-fruiting shoots in relation to fruit set in apricot (Prunus armeniaca L.)

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Flower bud differentiation and development in fruiting and non-fruiting shoots in relation to fruit set in apricot (Prunus armeniaca L.)

Content Provider	Springer Nature Link
Author	Julian, Carme Herrero, Maria Rodrigo, Javier
Copyright Year	2010
Abstract	Situations of high flower bud drop and low fruit set without apparent causes are common in fruit trees. The term flower quality has been coined to explain differences among flowers in their capacity to set fruit, but the causes underpinning these differences are largely unknown. This lack of knowledge is based on the fact that these differences are established a posteriori and there are no criteria to determine a priori what will make a flower to set a fruit or to drop. In this work, we profit from the empirical knowledge that there are fruiting and non-fruiting shoots to explore to which extent flower bud differentiation and bud development will affect the subsequent fruit set. For this purpose, the processes from flower bud differentiation to fruit set were sequentially analyzed in both types of shoots, over 2 years. More than half of the buds from long shoots aborted development and dropped before flowering. At anthesis, most of the remaining flowers showed underdeveloped pistils that failed to sustain pollen germination or pollen tube growth along the pistil. This unsuccessful development resulted in clear differences in fruit set between both types of branches. These results highlight that flower bud differentiation and development play an important role for fruit set and that developmental timing appears critical to reach anthesis with a fully developed pistil.
Starting Page	833
Ending Page	841
Page Count	9
File Format	PDF
ISSN	09311890
Journal	Trees
Volume Number	24
Issue Number	5
e-ISSN	14322285
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-06-18
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bud drop Flower bud development Fruit set Pistil Pollen grains Pollen tubes Plant Physiology Plant Pathology Plant Anatomy/Development Agriculture Plant Sciences Forestry
Content Type	Text
Resource Type	Article
Subject	Ecology Physiology Plant Science Forestry

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Flower bud differentiation and development in fruiting and non-fruiting shoots in relation to fruit set in apricot (Prunus armeniaca L.)

Flower bud differentiation in apricot

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Flower bud drop and pre-blossom frost damage in apricot (prunus armeniaca l.).

Pistil abortion in Japanese apricot (Prunus mume Sieb. et Zucc.): isolation and functional analysis of PmCCoAOMT gene

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Flower bud differentiation and development in fruiting and non-fruiting shoots in relation to fruit set in apricot (Prunus armeniaca L.)

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