Abstract
A regular pruning cycle (RPC) reduces costs when implementing crop treatments and facilitates semi-mechanized harvesting. However, there is information on plant development under this system. Thus, this study aimed to assess the new branch growth of 22 genotypes of Coffea canephora (conilon) after a regular pruning cycle. The assay was conducted at Cachoeiro de Itapemirim, Southern Espírito Santo State, Brazil. Measurements of 12 morphoagronomic traits were performed, and their relationships with temperature and rainfall were studied. The branch vegetative growth rates varied seasonally throughout the assessment period, with higher growth rates and higher temperatures, even not extreme, during rainy periods and lower growth rates and milder temperatures during the dry season. The logistic model with best fit to describe pattern of cumulative growth by genotypes following RPC was sigmoid for all the studied traits. Key words: Coffea canephora, growth curve, seasonality, temperature.
Highlights
Coffee stands out as a worldwide product of great importance and is cultivated in more than 80 countries, with approximately 143.4 million of 60-kg bags production in 2015
That’s why this study aimed to examine growth, assessing 12 morphoagronomic traits in 22 genotypes of C. canephora and relating these traits to climate conditions temperature and rainfall conditions
All plants were submitted to a regular pruning cycle (RPC), maintaining two of five orthotropic stems of plants and removing plagiotropic branches that had produced grains in more than 50% of their rosettes, after completing fourth harvest (September 2010)
Summary
Coffee stands out as a worldwide product of great importance and is cultivated in more than 80 countries, with approximately 143.4 million of 60-kg bags production in 2015. 35% of total production was Coffea canephora (conilon or robusta) (ICO, 2016). Brazil is the largest coffee producer and exporter, having harvested 43.24 million bags in 2015 on. 1.99 thousand hectares with the planted species C. arabica (Arabica) and C. canephora. Conilon coffee accounts for approximately 26% of coffee produced in country and has been used for many years in mixtures with Arabica coffee to enhance flavour of drink and to prepare soluble coffee (CONAB, 2016).
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
