EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS
Autor(a) principal: | |
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Data de Publicação: | 2005 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Ciência Florestal (Online) |
Texto Completo: | https://periodicos.ufsm.br/cienciaflorestal/article/view/1725 |
Resumo: | This work shows morphometric characteristics of Ilex paraguariensis St. Hil. pruned under reforestation. The study was carried out in Catanduvas, Santa Catarina State. All trees (about 14 years old) were cultivated in soil with similar characteristics. The experiment followed a randomized block design arranged in a factorial 3 x 3 corresponding to three distances between the rows of trees (3, 4, and 5 m) and three distances between trees within the rows (2, 3, and 4 m). The trees were divided into two groups. Each group was pruned in September or in January, when the crown was 24 or 28 months old, respectively. All trees were bifurcated near the ground, and, therefore, the perimeter at this level did not show a significant correlation with the crown biomass. The comparison of basal area and number of trunks per plant at the highs of 0.3, 0.6, and 0.9 m, showed that the ideal position to evaluate the trunk attributes was 0.60 m above the ground. The basal area of the trees at this position (g6) reduced with the reduction of the distance between the rows and between the trees within the rows (P < 0.05). The number of trunks per plant measured at 0.6 m above the ground (Nt6) was significantly affected by the distance between plants within the row, with the lowest value been observed when the distance between plants was 2 m. The crown diameter of the trees (Dc8) was higher on trees cultivated under higher spacing between the rows. Crown length and the total high of the trees (ht) were significantly affected by the distance between the rows and by the distance between the trees within the rows. Crown ratio (Cc/ht) was only affected by the distance between plants within the rows. The degree of coverage (Dc8/ht) was affected by the distance between rows. The crown shape (Dc8/Cc) values were close to unity, since the trees showed crown diameter proportional to the crown length. |
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EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDSInfluência do espaçamento e idade da brotação na morfometria de povoamentos de Ilex paraguariensis St. Hill.erva-matereforestationbiometricscrownpruning.erva-matereflorestamentobiometriacopapodaThis work shows morphometric characteristics of Ilex paraguariensis St. Hil. pruned under reforestation. The study was carried out in Catanduvas, Santa Catarina State. All trees (about 14 years old) were cultivated in soil with similar characteristics. The experiment followed a randomized block design arranged in a factorial 3 x 3 corresponding to three distances between the rows of trees (3, 4, and 5 m) and three distances between trees within the rows (2, 3, and 4 m). The trees were divided into two groups. Each group was pruned in September or in January, when the crown was 24 or 28 months old, respectively. All trees were bifurcated near the ground, and, therefore, the perimeter at this level did not show a significant correlation with the crown biomass. The comparison of basal area and number of trunks per plant at the highs of 0.3, 0.6, and 0.9 m, showed that the ideal position to evaluate the trunk attributes was 0.60 m above the ground. The basal area of the trees at this position (g6) reduced with the reduction of the distance between the rows and between the trees within the rows (P < 0.05). The number of trunks per plant measured at 0.6 m above the ground (Nt6) was significantly affected by the distance between plants within the row, with the lowest value been observed when the distance between plants was 2 m. The crown diameter of the trees (Dc8) was higher on trees cultivated under higher spacing between the rows. Crown length and the total high of the trees (ht) were significantly affected by the distance between the rows and by the distance between the trees within the rows. Crown ratio (Cc/ht) was only affected by the distance between plants within the rows. The degree of coverage (Dc8/ht) was affected by the distance between rows. The crown shape (Dc8/Cc) values were close to unity, since the trees showed crown diameter proportional to the crown length.Este trabalho apresenta aspectos da morfometria de erveiras reflorestadas. A área de estudos localiza- -se no estado de Santa Catarina, no município de Catanduvas. As plantas avaliadas apresentam idade aproximada de 14 anos, e estão dispostas em um arranjo fatorial com espaçamentos de 3, 4 e 5 m nas entrelinhas e 2, 3 e 4 m nas linhas. Dividiram-se as erveiras em dois grupos, sendo o primeiro podado em setembro, e o segundo, em janeiro respectivamente, quando as copas atingiram 24 e 28 meses de idade. A totalidade das erveiras avaliadas apresentam-se bifurcadas na proximidade da base, assim, o perímetro ao nível do solo apresenta-se com correlação não-significativa com a biomassa da copa. Pela comparação das áreas basais e número de troncos obtidos a 0,3, 06 e 0,9 m de altura, constatou-se que a altura ideal de avaliação do tronco é a 0,60 m de altura em relação ao nível do solo. A área basal por planta, a essa altura, foi positivamente influenciada pelos espaçamentos nas entrelinhas e nas linhas (Prob<0,05). O número de troncos à altura de 0,6 m (Nt6) da planta foi significativamente influenciado pela distância entre plantas na linha, na qual a de 2 m foi menor e divergente das demais. Os espaçamentos entre erveiras influenciaram as dimensões das copas, sendo o diâmetro da copa (Dc8) significativamente influenciado pelo espaçamento nas linhas, com superioridade para os maiores espaçamentos. O comprimento da copa (Cc) e a altura total (ht) foram significativamente influenciados pelas distâncias na linha e na entrelinha. O grau de copa (Cc/ht) só apresenta diferença significativa para o fator linha. Já o grau de cobertura (Dc8/ht) apresentou diferença significativa para o fator distância entrelinhas. O formal de copa (Dc8/Cc) atingiu valores próximos à unidade, pois as erveiras apresentam copas com diâmetro proporcional ao seu comprimento.Universidade Federal de Santa Maria2005-03-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/cienciaflorestal/article/view/172510.5902/198050981725Ciência Florestal; Vol. 13 No. 1 (2003); 73-88Ciência Florestal; v. 13 n. 1 (2003); 73-881980-50980103-9954reponame:Ciência Florestal (Online)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/cienciaflorestal/article/view/1725/994Fleig, Frederico DimasSchneider, Paulo RenatoFinger, César Augusto Guimarãesinfo:eu-repo/semantics/openAccess2017-05-19T17:10:45Zoai:ojs.pkp.sfu.ca:article/1725Revistahttp://www.ufsm.br/cienciaflorestal/ONGhttps://old.scielo.br/oai/scielo-oai.php||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br1980-50980103-9954opendoar:2017-05-19T17:10:45Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)false |
dc.title.none.fl_str_mv |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS Influência do espaçamento e idade da brotação na morfometria de povoamentos de Ilex paraguariensis St. Hill. |
title |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS |
spellingShingle |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS Fleig, Frederico Dimas erva-mate reforestation biometrics crown pruning. erva-mate reflorestamento biometria copa poda |
title_short |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS |
title_full |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS |
title_fullStr |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS |
title_full_unstemmed |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS |
title_sort |
EFFECTS OF SPACEMENT AND SHOOT AGE ON MORPHOMETRY OF Ilex paraguariensis St. Hill. STANDS |
author |
Fleig, Frederico Dimas |
author_facet |
Fleig, Frederico Dimas Schneider, Paulo Renato Finger, César Augusto Guimarães |
author_role |
author |
author2 |
Schneider, Paulo Renato Finger, César Augusto Guimarães |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Fleig, Frederico Dimas Schneider, Paulo Renato Finger, César Augusto Guimarães |
dc.subject.por.fl_str_mv |
erva-mate reforestation biometrics crown pruning. erva-mate reflorestamento biometria copa poda |
topic |
erva-mate reforestation biometrics crown pruning. erva-mate reflorestamento biometria copa poda |
description |
This work shows morphometric characteristics of Ilex paraguariensis St. Hil. pruned under reforestation. The study was carried out in Catanduvas, Santa Catarina State. All trees (about 14 years old) were cultivated in soil with similar characteristics. The experiment followed a randomized block design arranged in a factorial 3 x 3 corresponding to three distances between the rows of trees (3, 4, and 5 m) and three distances between trees within the rows (2, 3, and 4 m). The trees were divided into two groups. Each group was pruned in September or in January, when the crown was 24 or 28 months old, respectively. All trees were bifurcated near the ground, and, therefore, the perimeter at this level did not show a significant correlation with the crown biomass. The comparison of basal area and number of trunks per plant at the highs of 0.3, 0.6, and 0.9 m, showed that the ideal position to evaluate the trunk attributes was 0.60 m above the ground. The basal area of the trees at this position (g6) reduced with the reduction of the distance between the rows and between the trees within the rows (P < 0.05). The number of trunks per plant measured at 0.6 m above the ground (Nt6) was significantly affected by the distance between plants within the row, with the lowest value been observed when the distance between plants was 2 m. The crown diameter of the trees (Dc8) was higher on trees cultivated under higher spacing between the rows. Crown length and the total high of the trees (ht) were significantly affected by the distance between the rows and by the distance between the trees within the rows. Crown ratio (Cc/ht) was only affected by the distance between plants within the rows. The degree of coverage (Dc8/ht) was affected by the distance between rows. The crown shape (Dc8/Cc) values were close to unity, since the trees showed crown diameter proportional to the crown length. |
publishDate |
2005 |
dc.date.none.fl_str_mv |
2005-03-30 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufsm.br/cienciaflorestal/article/view/1725 10.5902/198050981725 |
url |
https://periodicos.ufsm.br/cienciaflorestal/article/view/1725 |
identifier_str_mv |
10.5902/198050981725 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.ufsm.br/cienciaflorestal/article/view/1725/994 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
dc.source.none.fl_str_mv |
Ciência Florestal; Vol. 13 No. 1 (2003); 73-88 Ciência Florestal; v. 13 n. 1 (2003); 73-88 1980-5098 0103-9954 reponame:Ciência Florestal (Online) instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Ciência Florestal (Online) |
collection |
Ciência Florestal (Online) |
repository.name.fl_str_mv |
Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br |
_version_ |
1799944126018355200 |