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Heat unit accumulation and inflorescence and fruit development in ‘Ubá’ mango trees grown in Visconde do Rio Branco-MG Rev. Bras. Frutic.
Lemos,Lorena Moreira Carvalho; Salomão,Luiz Carlos Chamhum; Siqueira,Dalmo Lopes de; Pereira,Olinto Liparini; Cecon,Paulo Roberto.
Abstract There are little information in the scientific literature on flowering and fruiting of ‘Ubá’ mango trees. These information enables to know the proportion of hermaphrodite flowers in inflorescence, fruit set percentage and developmental stages of the fruit. In this study evaluations on inflorescence and fruit development of the ‘Ubá’ mango tree (Mangifera indica L.) were carried out, as well as the determination of the required number of heat units for full fruit development. Thirty branches whose terminal buds were swollen were selected from five mango trees. With the aid of a camera and a caliper, the panicle and fruit development were evaluated weekly until full fruit development. A digital thermometer was used to record ambient temperatures...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mangifera indica L.; Heat units; Anthesis; Phenological phases.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452018000200703
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Comparison of methodologies for degree-day estimation using numerical methods - doi: 10.4025/actasciagron.v33i3.6018 Agronomy
Souza, Adilson Pacheco de; UNESP - Faculdade de Ciências Agronômicas; Ramos, Clóvis Manoel Carvalho; UNESP - Faculdade de Ciências Agronômicas; Lima, Adriano Dawison de; UNESP - Faculdade de Ciências Agronômicas; Florentino, Helenice de Oliveira; UNESP - Instituto de Biociências; Escobedo, João Francisco; UNESP - Faculdade de Ciências Agronômicas.
The development of projects related to the yield of various crops has been greatly enhanced with the incorporation of mathematical models as well as essential and more consistent equations which enable a prediction and greater approximation to their actual behavior, thus reducing error in estimate. Among the operations requiring further investigation are those related to crop growth, characterized by the ideal temperature for addition of dry matter. Due to the wide use of mathematical methods for representing, analyzing and attaining degree-day estimation as well as the great importance of sugarcane in the Brazilian economy, we carried out an evaluation of the mathematical models and numerical integration methods commonly used for estimating the...
Palavras-chave: 5.01.05.00-0 vegetative development; Heat units; Numerical integration methods; Sugar cane Agrometeorologia vegetative development; Heat units; Numerical integration methods; Sugar cane Agrometeorologia.
Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/6018
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