Pecan cultivation: general aspects

Abstract

Given the increasing investment in the pecan production in southern Brazil, it becomes necessary researches, assisting in solve problems and proposition of technical and methodology to enhance this production chain. Thus, the present review aimed to survey the existing information about the culture, both on the world and the Brazilian scene. Issues related to botany, climate and soil requirements, alignment and planting density, cultivars, pests and diseases, among other technical aspects of this culture will be addressed. Pecan nut presents nutraceutical properties that are beneficial to human health, which has increased its demand from consumers. However, there are few research results with pecan nut in Brazil and there are many gaps in scientific knowledge about this culture, especially as regards the management of pests and diseases control, irrigation and nutrition, in Brazilian conditions.

First Report of Gymnandrosoma aurantianum (Lepidoptera: Tortricidae) in Pecan in Brazil

“…K. Koch (Juglandaceae), in Brazil started in the 1870s, but significant expansion occurred only during the 1960s and 1970s due to governmental stimuli aiming to bring in new investments for forestation (Backes & Irgang 2004;Ortiz & Camargo 2005). Economic exploration of pecan cultivation garnered attention in Brazil in the 21st century due to its high revenue, crop nutritional value, use of lands with irregular (sloping) surfaces, and the development of integrated systems with pastures for animal production, or the cultivation of pecan along with other crops (Fronza et al 2013(Fronza et al , 2018Martins et al 2017). In 2017, harvested areas were concentrated in the southeastern (21%) and southern (79%) regions of Brazil.…”

Collection period and indolebutyric acid on the rooting of adult pecan plant cuttings

“…In addition, when propagated by this method, the species presents slow growth and a long juvenility period. For these reasons, the propagation system currently used commercially consists of grafting with seed rootstocks (Fronza et al, 2018). However, rootstocks derived from pecan seeds of open-pollinated plants also show a great variability, causing differences in grafting, growth, and performance between plants (Cao et al, 2019).…”

Resposta floral e crescimento das nogueiras-pecã ‘Barton’ e ‘Shawnee’ pelo posicionamento cardeal

“…K. Koch] é uma espécie frutífera de clima temperado pertencente à família Juglandaceae (Atanasov et al, 2018). Sua árvore Research, Society and Development, v. 9, n. 7, e352974231, 2020 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i7.4231 distingue-se pela longevidade do seu período reprodutivo, que pode chegar até cem anos, produzindo frutos de elevado valor comercial (Hurrell et al, 2011;Fronza et al, 2018).…”

“…A Shawnee é uma das cultivares polinizadoras da Barton (Raseira,1990;Fronza & Hammann,2016;Andersen,2019).Com o decorrer do tempo, diversas cultivares de nogueira-pecã foram sendo introduzidas no Brasil, onde há atualmente o registro de 42 cultivares (Poletto et al, 2016). A Barton e a Shawnee estão entre as principais cultivares produzidas na Região Sul do país (Fronza et al, 2018). A escolha da cultivar deve ser um dos principais fatores a ser considerado antes da implantação de um pomar de nogueira-pecã, pois poderá influenciar a produção e rendimento para o produtor, velocidade de desenvolvimento da árvore, maior resistência a doenças, precocidade de produção, características do fruto e forma de polinização (United States Department of Agriculture, 2015; Bilharva et al, 2018).…”