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Effects of pre-blossom temperatures on flower development and fruit set in apricot

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dc.creator Rodrigo García, Javier
dc.creator Herrero Romero, María
dc.date 2008-06-20T09:10:49Z
dc.date 2008-06-20T09:10:49Z
dc.date 2002-01
dc.date.accessioned 2017-01-31T01:44:38Z
dc.date.available 2017-01-31T01:44:38Z
dc.identifier Scientia Horticulturae, Volume 92, Issue 2, 31 January 2002, Pages 125-135
dc.identifier http://hdl.handle.net/10261/5208
dc.identifier 10.1016/S0304-4238(01)00289-8
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/5208
dc.description The definitive version is available at: http://www.sciencedirect.com/science/journal/03044238
dc.description The influence of pre-blossom temperatures on flower development and fruit set is ascertained in apricot (Prunus armeniaca L.), a species without previous records on the effect of pre-blossom temperature on fruit set, but that is particularly prone to erratic fruit set. A polyethylene cage was used during pre-blossom development of flower buds to increase maximum temperatures by 6–7 °C and mean temperatures by 3 °C in orchard conditions. This increase in temperature accelerated flower bud development, caused a hastening in flowering time and following hand-pollination, reduced fruit set. At anthesis, flowers that had developed in warmer conditions weighed less and showed less development of the pistil than control flowers. Pistil growth of flowers under warm conditions did not differ from that of the control flowers when both the populations were compared on a real time scale in spite of the fact that warmed buds were at an advanced external phenological stage. Thus, hastening of external floral development by warm pre-blossom temperatures was not accompanied by advance in pistil development. This lack of synchrony resulted in premature flowering of flowers with underdeveloped pistils that had a reduced capability to set fruit. The results are discussed in terms of flower quality and its implications in fruit set and subsequent crop load
dc.description Project grant 98-049 and CONSID (Project grant PO-067/99-AV
dc.description Peer reviewed
dc.format 143725 bytes
dc.format application/pdf
dc.language eng
dc.publisher Elsevier
dc.rights openAccess
dc.subject Apricot
dc.subject Temperature
dc.subject Prunus armeniaca
dc.subject Flower development
dc.subject Fruit set
dc.subject Pistil
dc.subject Anthesis
dc.title Effects of pre-blossom temperatures on flower development and fruit set in apricot
dc.type Artículo

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