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Anatomia foliar de plantas de alfavaca-cravo cultivadas sob malhas coloridas Leaf anatomy of alfavaca-cravo plants cultivated under colored nets

No presente trabalho, foi avaliado o efeito do controle espectral da luz sobre características anatômicas de folhas em Ocimum gratissimum L. As plantas foram cultivadas por quatro meses sob malhas de 50% de sombreamento nas cores preta, vermelha e azul e a pleno sol. Plantas submetidas a pleno sol a...

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Published in:Ciência rural 2009-02, Vol.39 (1), p.82-87
Main Authors: Joeferson Reis Martins, Amauri Alves Alvarenga, Evaristo Mauro de Castro, Ana Paula Oliveira da Silva, Cynthia Oliveira, Eduardo Alves
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container_title Ciência rural
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creator Joeferson Reis Martins
Amauri Alves Alvarenga
Evaristo Mauro de Castro
Ana Paula Oliveira da Silva
Cynthia Oliveira
Eduardo Alves
description No presente trabalho, foi avaliado o efeito do controle espectral da luz sobre características anatômicas de folhas em Ocimum gratissimum L. As plantas foram cultivadas por quatro meses sob malhas de 50% de sombreamento nas cores preta, vermelha e azul e a pleno sol. Plantas submetidas a pleno sol apresentaram maior espessura foliar, maior densidade estomática e maior densidade de tricomas tectores e glandulares na face adaxial. As plantas cultivadas sob malhas coloridas não exibiram diferenças quanto à espessura e à área foliar. As plantas mantidas sob malha vermelha tiveram a menor densidade estomática na face adaxial, já as plantas mantidas sob malhas azul e vermelha exibiram maior área foliar total. As plantas mantidas sob malha vermelha apresentaram a menor densidade estomática e as menores densidades de tricomas tectores e glandulares na face adaxial. Tais resultados mostram que tanto a intensidade como a qualidade espectral da luz pode ser modulada durante o cultivo de Ocimum gratissimum L. a fim de serem obtidas características anatômicas desejáveis.In the present research, the effect of spectral control of light was evaluated on anatomical characteristics of Ocimum gratissimum L. leaves. The plants were cultivated during four months under black, red and blue nets with 50% of shade, and full sunlight. Plants grown under full sunlight showed higher leaf thickness, higher stomatal density and higher density of no-glandular and glandular trichomes on the adaxial epidermis. Plants cultivated under colored nets did not show differences in leaf thickness or leaf area. Plants maintained under red net had the lowest stomatal density in adaxial epidermis, as the plants cultivated under blue and red nets exhibited the largest leaf area. The plants maintained under red net showed the smallest stomatal density and the smallest non-glandular and glandular trichomes density in the adaxial epidermis. Such results show that the spectral quality and intensity of light can be modulated during the cultivation of Ocimum gratissimum L. plants in order to obtain desirable anatomical characteristics.
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As plantas foram cultivadas por quatro meses sob malhas de 50% de sombreamento nas cores preta, vermelha e azul e a pleno sol. Plantas submetidas a pleno sol apresentaram maior espessura foliar, maior densidade estomática e maior densidade de tricomas tectores e glandulares na face adaxial. As plantas cultivadas sob malhas coloridas não exibiram diferenças quanto à espessura e à área foliar. As plantas mantidas sob malha vermelha tiveram a menor densidade estomática na face adaxial, já as plantas mantidas sob malhas azul e vermelha exibiram maior área foliar total. As plantas mantidas sob malha vermelha apresentaram a menor densidade estomática e as menores densidades de tricomas tectores e glandulares na face adaxial. Tais resultados mostram que tanto a intensidade como a qualidade espectral da luz pode ser modulada durante o cultivo de Ocimum gratissimum L. a fim de serem obtidas características anatômicas desejáveis.In the present research, the effect of spectral control of light was evaluated on anatomical characteristics of Ocimum gratissimum L. leaves. The plants were cultivated during four months under black, red and blue nets with 50% of shade, and full sunlight. Plants grown under full sunlight showed higher leaf thickness, higher stomatal density and higher density of no-glandular and glandular trichomes on the adaxial epidermis. Plants cultivated under colored nets did not show differences in leaf thickness or leaf area. Plants maintained under red net had the lowest stomatal density in adaxial epidermis, as the plants cultivated under blue and red nets exhibited the largest leaf area. The plants maintained under red net showed the smallest stomatal density and the smallest non-glandular and glandular trichomes density in the adaxial epidermis. Such results show that the spectral quality and intensity of light can be modulated during the cultivation of Ocimum gratissimum L. plants in order to obtain desirable anatomical characteristics.</description><identifier>ISSN: 0103-8478</identifier><identifier>EISSN: 1678-4596</identifier><language>eng</language><publisher>Universidade Federal de Santa Maria</publisher><subject>chloroplast ; cloroplasto ; colored nets ; malhas coloridas ; Ocimum gratissimum ; shading ; sombreamento ; trichomes ; tricomas</subject><ispartof>Ciência rural, 2009-02, Vol.39 (1), p.82-87</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Joeferson Reis Martins</creatorcontrib><creatorcontrib>Amauri Alves Alvarenga</creatorcontrib><creatorcontrib>Evaristo Mauro de Castro</creatorcontrib><creatorcontrib>Ana Paula Oliveira da Silva</creatorcontrib><creatorcontrib>Cynthia Oliveira</creatorcontrib><creatorcontrib>Eduardo Alves</creatorcontrib><title>Anatomia foliar de plantas de alfavaca-cravo cultivadas sob malhas coloridas Leaf anatomy of alfavaca-cravo plants cultivated under colored nets</title><title>Ciência rural</title><description>No presente trabalho, foi avaliado o efeito do controle espectral da luz sobre características anatômicas de folhas em Ocimum gratissimum L. As plantas foram cultivadas por quatro meses sob malhas de 50% de sombreamento nas cores preta, vermelha e azul e a pleno sol. Plantas submetidas a pleno sol apresentaram maior espessura foliar, maior densidade estomática e maior densidade de tricomas tectores e glandulares na face adaxial. As plantas cultivadas sob malhas coloridas não exibiram diferenças quanto à espessura e à área foliar. As plantas mantidas sob malha vermelha tiveram a menor densidade estomática na face adaxial, já as plantas mantidas sob malhas azul e vermelha exibiram maior área foliar total. As plantas mantidas sob malha vermelha apresentaram a menor densidade estomática e as menores densidades de tricomas tectores e glandulares na face adaxial. Tais resultados mostram que tanto a intensidade como a qualidade espectral da luz pode ser modulada durante o cultivo de Ocimum gratissimum L. a fim de serem obtidas características anatômicas desejáveis.In the present research, the effect of spectral control of light was evaluated on anatomical characteristics of Ocimum gratissimum L. leaves. The plants were cultivated during four months under black, red and blue nets with 50% of shade, and full sunlight. Plants grown under full sunlight showed higher leaf thickness, higher stomatal density and higher density of no-glandular and glandular trichomes on the adaxial epidermis. Plants cultivated under colored nets did not show differences in leaf thickness or leaf area. Plants maintained under red net had the lowest stomatal density in adaxial epidermis, as the plants cultivated under blue and red nets exhibited the largest leaf area. The plants maintained under red net showed the smallest stomatal density and the smallest non-glandular and glandular trichomes density in the adaxial epidermis. Such results show that the spectral quality and intensity of light can be modulated during the cultivation of Ocimum gratissimum L. plants in order to obtain desirable anatomical characteristics.</description><subject>chloroplast</subject><subject>cloroplasto</subject><subject>colored nets</subject><subject>malhas coloridas</subject><subject>Ocimum gratissimum</subject><subject>shading</subject><subject>sombreamento</subject><subject>trichomes</subject><subject>tricomas</subject><issn>0103-8478</issn><issn>1678-4596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNqtzEFOwzAQBVALUYnQcgdfIJJTO3W6RAgEEkv21sQegysnU9lupN6CI5MG2LBmNX_-aN4Vq5qd7mrV7nfXrBKNkHWndHfDbnM-CLHVUqmKfd6PUGgIwD3FAIk75McIY4F8iRA9TGChtgkm4vYUS5jAzcdMPR8gfszRUqQULuUrguewiGdO_u_7AudfpaDjp9Fh-gbmbcSSN2zlIWa8-5lr9vL0-PbwXDuCgzmmMEA6G4JgloLSu4FUgo1odIdCKo_Si1bJve63otWNlp1sHPTo5X9aXyaAces</recordid><startdate>20090201</startdate><enddate>20090201</enddate><creator>Joeferson Reis Martins</creator><creator>Amauri Alves Alvarenga</creator><creator>Evaristo Mauro de Castro</creator><creator>Ana Paula Oliveira da Silva</creator><creator>Cynthia Oliveira</creator><creator>Eduardo Alves</creator><general>Universidade Federal de Santa Maria</general><scope>DOA</scope></search><sort><creationdate>20090201</creationdate><title>Anatomia foliar de plantas de alfavaca-cravo cultivadas sob malhas coloridas Leaf anatomy of alfavaca-cravo plants cultivated under colored nets</title><author>Joeferson Reis Martins ; Amauri Alves Alvarenga ; Evaristo Mauro de Castro ; Ana Paula Oliveira da Silva ; Cynthia Oliveira ; Eduardo Alves</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-doaj_primary_oai_doaj_org_article_78e034fe3f054397b2057173831dabef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>chloroplast</topic><topic>cloroplasto</topic><topic>colored nets</topic><topic>malhas coloridas</topic><topic>Ocimum gratissimum</topic><topic>shading</topic><topic>sombreamento</topic><topic>trichomes</topic><topic>tricomas</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Joeferson Reis Martins</creatorcontrib><creatorcontrib>Amauri Alves Alvarenga</creatorcontrib><creatorcontrib>Evaristo Mauro de Castro</creatorcontrib><creatorcontrib>Ana Paula Oliveira da Silva</creatorcontrib><creatorcontrib>Cynthia Oliveira</creatorcontrib><creatorcontrib>Eduardo Alves</creatorcontrib><collection>Open Access: DOAJ - Directory of Open Access Journals</collection><jtitle>Ciência rural</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Joeferson Reis Martins</au><au>Amauri Alves Alvarenga</au><au>Evaristo Mauro de Castro</au><au>Ana Paula Oliveira da Silva</au><au>Cynthia Oliveira</au><au>Eduardo Alves</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Anatomia foliar de plantas de alfavaca-cravo cultivadas sob malhas coloridas Leaf anatomy of alfavaca-cravo plants cultivated under colored nets</atitle><jtitle>Ciência rural</jtitle><date>2009-02-01</date><risdate>2009</risdate><volume>39</volume><issue>1</issue><spage>82</spage><epage>87</epage><pages>82-87</pages><issn>0103-8478</issn><eissn>1678-4596</eissn><abstract>No presente trabalho, foi avaliado o efeito do controle espectral da luz sobre características anatômicas de folhas em Ocimum gratissimum L. As plantas foram cultivadas por quatro meses sob malhas de 50% de sombreamento nas cores preta, vermelha e azul e a pleno sol. Plantas submetidas a pleno sol apresentaram maior espessura foliar, maior densidade estomática e maior densidade de tricomas tectores e glandulares na face adaxial. As plantas cultivadas sob malhas coloridas não exibiram diferenças quanto à espessura e à área foliar. As plantas mantidas sob malha vermelha tiveram a menor densidade estomática na face adaxial, já as plantas mantidas sob malhas azul e vermelha exibiram maior área foliar total. As plantas mantidas sob malha vermelha apresentaram a menor densidade estomática e as menores densidades de tricomas tectores e glandulares na face adaxial. Tais resultados mostram que tanto a intensidade como a qualidade espectral da luz pode ser modulada durante o cultivo de Ocimum gratissimum L. a fim de serem obtidas características anatômicas desejáveis.In the present research, the effect of spectral control of light was evaluated on anatomical characteristics of Ocimum gratissimum L. leaves. The plants were cultivated during four months under black, red and blue nets with 50% of shade, and full sunlight. Plants grown under full sunlight showed higher leaf thickness, higher stomatal density and higher density of no-glandular and glandular trichomes on the adaxial epidermis. Plants cultivated under colored nets did not show differences in leaf thickness or leaf area. Plants maintained under red net had the lowest stomatal density in adaxial epidermis, as the plants cultivated under blue and red nets exhibited the largest leaf area. The plants maintained under red net showed the smallest stomatal density and the smallest non-glandular and glandular trichomes density in the adaxial epidermis. Such results show that the spectral quality and intensity of light can be modulated during the cultivation of Ocimum gratissimum L. plants in order to obtain desirable anatomical characteristics.</abstract><pub>Universidade Federal de Santa Maria</pub><oa>free_for_read</oa></addata></record>
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source SciELO Brazil; Alma/SFX Local Collection
subjects chloroplast
cloroplasto
colored nets
malhas coloridas
Ocimum gratissimum
shading
sombreamento
trichomes
tricomas
title Anatomia foliar de plantas de alfavaca-cravo cultivadas sob malhas coloridas Leaf anatomy of alfavaca-cravo plants cultivated under colored nets
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