1989
DOI: 10.1007/bf01045897
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Agroclimatic modeling for the simulation of phenology, yield and quality of crop production

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1989
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Cited by 31 publications
(39 citation statements)
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“…Previous studies demonstrated a negative influence of high temperatures on fruit yield of 'Pêra' sweet orange occurred in these months in the Limeira region (Paulino, 2000;Paulino & Volpe, 2001). Climatic conditions of the pre-flowering period affect fruit set, since they determine the time of flowering (early or late) and its duration (extended or concentrated) (Ben Mechlia & Carrol, 1989). Therefore, the occurrence of stress conditions due to water deficit, high temperatures and high evaporative demands during those months (much earlier than the normal flowering period, in October/November), probably leads to the anticipation of flowering to a period when meteorological conditions are less adequate for pollination and fruit set (Lomas & Burd, 1983).…”
Section: Influence Of Meteorological Variables On the Crop Cyclementioning
confidence: 99%
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“…Previous studies demonstrated a negative influence of high temperatures on fruit yield of 'Pêra' sweet orange occurred in these months in the Limeira region (Paulino, 2000;Paulino & Volpe, 2001). Climatic conditions of the pre-flowering period affect fruit set, since they determine the time of flowering (early or late) and its duration (extended or concentrated) (Ben Mechlia & Carrol, 1989). Therefore, the occurrence of stress conditions due to water deficit, high temperatures and high evaporative demands during those months (much earlier than the normal flowering period, in October/November), probably leads to the anticipation of flowering to a period when meteorological conditions are less adequate for pollination and fruit set (Lomas & Burd, 1983).…”
Section: Influence Of Meteorological Variables On the Crop Cyclementioning
confidence: 99%
“…Therefore, the occurrence of high temperatures and high evaporative demands, as well as rainfall and water excess during flowering and initial fruit set, reduce the fruit production per plant. Fruit set depends on the rainfall during the flowering period, while the effect of rainfall on flowering and fruit set may be due to direct mechanical injuries of the flowers and pollination restrictions (Ben Mechlia & Carrol, 1989). Anthesis and pollination are negatively affected by high relative air humidity.…”
Section: Influence Of Meteorological Variables On the Crop Cyclementioning
confidence: 99%
“…O modelo "conceitual", o mais complexo, requer grande número de informações dos processos físicos e biológicos envolvidos, como é o de simulação de crescimento, maturação e produtividade para a cultura da laranja, proposto por Ben Mechlia & Carrol (1989). Neste trabalho, foi utilizado o modelo "matemático-mecanístico": mais simples que o conceitual, descreve matematicamente a casualidade ou a relação entre os processos envolvidos durante o ciclo da cultura, possuindo menores restrições em relação à extrapolação de resultados do que o empírico--estatístico (Acock & Acock, 1991).…”
Section: Introductionunclassified
“…O efeito depressivo da má disponibilidade hídrica no estabelecimento da frutificação foi analisado por Ben Mechlia & Carrol (1989), em vista da influência do estresse causando por valores elevados da evapotranspiração e da deficiência hídrica durante as fases de florescimento e pegamento dos frutos. Sequeira (1990) estudou balanços hídricos específicos para citros em cinco localidades paulistas, e determinou a freqüência de decêndios com deficiências hídricas coincidentes com as fases de repouso, do florescimento, do crescimento inicial e do final dos frutos.…”
Section: Introductionunclassified