Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.5/8311
Título: Efeito do frio artificial na quebra da dormência e produtividade do mirtilo (Vaccinium corymbosum)
Autor: Parente, Catarina Susana de Oliveira
Orientador: Oliveira, Cristina Maria Moniz Simões
Oliveira, Pedro Nogueira Brás
Palavras-chave: blueberry
chilling hours
growing cycle
NHB
SHB
Data de Defesa: 2014
Editora: ISA/UL
Citação: Parente, C.S.O. - Efeito do frio artificial na quebra da dormência e produtividade do mirtilo (Vaccinium corymbosum). Lisboa: ISA, 2014, 70 p.
Resumo: The anticipation or the delay of the harvest season of blueberry may have impact on the valuation of production. With the aim of anticipating for mid-May, the production the cultivars Paloma, Star and O'Neal of the Southern Highbush (SHB) type were subjected to the chilling treatments E1 – (648 hours) and E2 (480 hours). With the goal of delaying production for mid-September, in addition to the above mentioned cultivars, 'Legacy', 'Elizabeth' and 'Duke', Northern Highbush (NHB) type were exposed to S1-2904, S2-3288, S3-3648 and S4-4008 chilling hours. The consumption of starch in roots during the dormancy period was analysed. Compared to plants not subjected to artificial chilling (greenhouse or outdoors treatments), the chilling treatments E1 and E2 did not allow the anticipation of harvest and had distinct results in the concentration of the harvest period of the different cultivars. The artificial chilling was unable to delay the production, although had a positive effect on the concentration of the harvest period. With the S1 treatment the production of 'Duke' (2.6 kg per plant) was higher (P<0.05) compared to greenhouse production. The concentration of starch in roots of 'Elizabeth' and 'Star' differed (P0<0.05) between entrance and removals of the plants from the cold chamber (S3 and S4)
Descrição: Mestrado em Engenharia Agronómica - Hortofruticultura e viticultura - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/8311
Aparece nas colecções:BISA - Dissertações de Mestrado / Master Thesis

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