2010
DOI: 10.1590/s0103-84782010005000045
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Plastocrono e rendimento de feijão-de-vagem cultivado sob ambiente protegido e no ambiente externo em semeadura tardia no outono

Abstract: O feijão-de-vagem (Phaseolus vulgaris L.), ou feijão-vagem, é uma hortaliça que, durante o outono no Estado do Rio Grande do Sul, pode ser favorecida pelo cultivo no interior de estufa plástica (cultivo protegido). A determinação do intervalo de tempo entre a emissão de dois nós consecutivos em dicotiledôneas, denominada plastocrono, é importante em estudos de modelagem e para o manejo dessa hortaliça. O objetivo deste estudo foi determinar o plastocrono e o rendimento da cultura de feijão-de-vagem em cultivo … Show more

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Cited by 22 publications
(21 citation statements)
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“…These models simulate plant development as a function of the required thermal sum and have been adopted, for example, by Martins et al (2007) for seedlings of two species of eucalyptus (Eucalyptus saligna Sm. and Eucalyptus grandis W.Hill), by Erpen et al (2013) In addition to base temperature, the thermal sum is a measure used to observe the effect of temperature on vegetative development and growth, in °C day (Heldwein et al, 2010;Lucas et al, 2012). The thermal sum has a strong relationship with the emission of vegetative structures in tomatoes; therefore, the concept of plastochron (ºC day by node), which is the period of time between the emergence of two successive nodes on the stem, allows estimating the number of nodes as a function of air temperature (Pivetta et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…These models simulate plant development as a function of the required thermal sum and have been adopted, for example, by Martins et al (2007) for seedlings of two species of eucalyptus (Eucalyptus saligna Sm. and Eucalyptus grandis W.Hill), by Erpen et al (2013) In addition to base temperature, the thermal sum is a measure used to observe the effect of temperature on vegetative development and growth, in °C day (Heldwein et al, 2010;Lucas et al, 2012). The thermal sum has a strong relationship with the emission of vegetative structures in tomatoes; therefore, the concept of plastochron (ºC day by node), which is the period of time between the emergence of two successive nodes on the stem, allows estimating the number of nodes as a function of air temperature (Pivetta et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…by Streck et al (2008), cotton (Gossypium hirsutum L.) by Pereira et al (2010), crambe (Crambe abyssinica Hochst.) by Toebe et al (2010), snap beans (Phaseolus vulgaris L.) by Heldwein et al (2010), watermelon by Lucas et al (2010), sunflower (Helianthus annuus L.) by Souza et al (2016), grapevine (Vitis vinifera L.) by Zeist et al (2016Zeist et al ( , 2017, and even tomato by Pivetta et al (2007). However, as is this case with base temperature, no studies using this concept are known for wild tomato species and interspecific hybrids.…”
Section: Introductionmentioning
confidence: 99%
“…However, an even more attractive way to identify vegetative development as affected by climatic conditions is through the plastochron index (PI), measured in ºC day per node. This index consists of the amount of required thermal accumulation for the appearance of successive nodes on the main stem of the plant (Streck et al, 2005(Streck et al, , 2008Paula & Streck, 2008;Heldwein et al, 2010;Lucas et al, 2012) or, in the case of grapevines, on each cane (Zeist et al, 2016).…”
Section: Introductionmentioning
confidence: 99%
“…The concept of plastochron was used to evaluate various cropped species such as tomato (Coleman & Greyson, 1976), melon (Streck et al, 2005), soybean (Streck et al, 2008), cotton (Pereira et al, 2010), crambe (Toebe et al, 2010), snap bean (Heldwein et al, 2010), watermelon (Lucas et al, 2012), and sunflower (Souza et al, 2016). These works allowed understanding the phenological behavior of these species, verifying their means of adaptation, defining the most appropriate management practices, and aiding in agricultural zoning through plant growth and development simulation models.…”
Section: Introductionmentioning
confidence: 99%
“…Devido à crescente importância dessa cultura, diversas pesquisas vêm sendo realizadas com ela tanto em ambiente protegido como não protegido, visando à identificação de cultivares e estratégias de cultivo que possibilitem aumento na produtividade e na sustentabilidade do seu cultivo (PEREIRA et al, 2003;ABREU et al, 2004;HELDWEIN et al, 2010 Diante disso, é importante que sejam realizados trabalhos que possibilitem uma redução da variância residual e tornem mais precisos e confiáveis os resultados dessas pesquisas.…”
Section: Introductionunclassified