Alterações bioquímicas de plantas e morfológicas de gemas de cafeeiro associadas a eventos do florescimento em resposta a elementos meteorológicos

Nascimento, Marilza Neves do; Alves, José Donizeti; Soares, Ângela Maria; Castro, Evaristo Mauro de; Magalhães, Marcelo Murad; Alvarenga, Amauri Alves de; Silva, Guilherme Henrique

doi:10.1590/s0103-84782008000500015

Cited by 5 publications

(3 citation statements)

References 15 publications

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“…Avelino et al noted that climate is a potential factor that can change the qualitative standard of coffee. Very high temperatures can lead to poor bud formation, followed by poor flowering with low‐quality flowers; according to Silva, such development tends to impair the end quality of the coffee.…”

Section: Resultsmentioning

confidence: 99%

Mapping the potential beverage quality of coffee produced in the Zona da Mata, Minas Gerais, Brazil

et al. 2015

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Section: Resultsmentioning

confidence: 99%

Mapping the potential beverage quality of coffee produced in the Zona da Mata, Minas Gerais, Brazil

et al. 2015

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“…Para a escolha correta dos tratamentos propostos foram realizadas observações de campo e pesquisas científicas na literatura, (OLIVEIRA et al, 2012;SILVA et al, 2009;COELHO et al, 2009;NASCIMENTO et al, 2008;GOMES et al, 2007;SOARES et al, 2005;ALVES et al, 1983), confrontando com o histórico meteorológico do local (Figura 1). Irriga, Botucatu, v. 20, n. 1, p. 177-192, janeiro-março, 2015 Figura 1.…”

Section: Methodsunclassified

Qualidade Do Café Sob Manejos De Irrigação, Faces De Exposição Solar E Posições Na Planta

Paiva¹,

Lemos²,

Mingotte

et al. 2015

R_I

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Coffee is one of the most important non alcoholic beverages harvested in the field, exported under different ways and considered one of the most important commodities in the global market. The objective of this study was to investigate the effect of different irrigation management on some qualitative features of fruits and grains of coffee plants in two sides of exposure to solar radiation (SPESR) and three positions in the plant in the first harvest after pruning. The experiment was conducted using randomized blocks in a split-plot design with four replicates. It was developed in Matão (SP), Brazil, in the 2010/2011 harvest season. The primary treatments were six different types of irrigation management: NI = no irrigation; CI = continuous irrigation all over the year; CI 14 A-19 M = CI, except from . Secondary treatments were the SPESR: southeast and northwest. Ternary treatments were the position in the plant: upper third, mid third and lower third. The stages of fruit ripening and coffee rating by bean size, defects and tasting quality were evaluated. The irrigated and non irrigated coffee promoted the same increase in fruit ripening, however, the advance in maturation is observed from the upper to the lower third. Non irrigated and irrigated coffee plants promoted the same increase in total defects. Greater grains are obtained with sieve 16 in irrigated coffee plants and above the value in SPESR northwest over the mocha grain.In southeast SPESR, a higher increase in cherry fruit is observed, providing better quality of the beverage over total defects.

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“…Drought conditions significantly limit the growth and development of Coffea plants (Matta et al, 2008), which leads to reduced yield (Kobayashi et al, 2008;Nascimento et al, 2008). Nevertheless, the losses caused by this stress factor can be minimized by the development of cultivars tolerant to lack of water (Vadez et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Water stress in germination, growth and development of coffee cultivars

Almeida

Azevedo

Salomon³

et al. 2018

J. Seed Sci.

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The aim of this study was to evaluate the effect of water stress on the germination of Coffea arabica seeds and the growth and development of plants from these seeds. Seeds of the cultivars Bourbon Vermelho, Mundo Novo, and BA-10 were placed to germinate in the dark at 30 ºC in the presence and absence of 100 g/L of polyethylene glycol 6000. The water stress applied delayed the beginning of seed germination by seven days in relation to seeds of the control, which had achieved responses of up to 50%, but there were no differences between the treatments at the end of the experiment. Furthermore, the length of the primary root in seeds germinated under water stress was less than in the control treatment, especially for the cultivar Mundo Novo. Plants of the cultivars Bourbon Vermelho and Mundo Novo developed from seeds previously germinated under water stress exhibited reduced height and fewer leaf pairs than those from the control, whereas ‘BA-10’ responded in a similar way in both treatments. Thus, the cultivars Bourbon Vermelho and Mundo Novo were more sensitive to the water stress applied in the germination phase than ‘BA-10’.

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Alterações bioquímicas de plantas e morfológicas de gemas de cafeeiro associadas a eventos do florescimento em resposta a elementos meteorológicos

Cited by 5 publications

References 15 publications

Mapping the potential beverage quality of coffee produced in the Zona da Mata, Minas Gerais, Brazil

Mapping the potential beverage quality of coffee produced in the Zona da Mata, Minas Gerais, Brazil

Qualidade Do Café Sob Manejos De Irrigação, Faces De Exposição Solar E Posições Na Planta

Water stress in germination, growth and development of coffee cultivars

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