000 02534nab a2200313 i 4500
003 BR-BrBNA
005 20241004175831.0
008 241004b2024 bl.qr|pooa||| 00| 0 eng |
040 _aBR-BrBNA
_beng
072 _aF50
072 _aF40
100 _aPacheco, Fernanda Ventorim
100 _aTrancoso, Ana Clara Reis
100 _aAlvarenga, Ivan Caldeira Almeida
100 _aAlvarenga, Amauri Alves
100 _aLira, Marinês Ferreira Pires
245 _aAnatomical changes in leaves of Piper aduncum L. under diff erent irradiances
500 _aPublicação on-line; 34 ref.; 3 tables; 1 illus.; Summary (En)
520 _a ABSTRACT The aim of the study was to evaluate the effect of different light conditions on the internal structure of Piper aduncum L. leaves. P.aduncum seedlings were grown for 4 months under different light conditions achieved with shading nets (50, 70, and 100% of luminosity) and with photoconversion nets in red (RN) and blue (BN) colors. Two fully expanded leaves located at the third node were collected from five plants per treatment for paradermal and transverse sections. In the paradermal sections, stomatal density, polar and equatorial diameters, the ratio between polar and equatorial diameters, and trichome density on the abaxial and adaxialsurfaces of the epidermis were evaluated. In the transverse sections, the thickness of the adaxial and abaxial epidermis, cuticle of the adaxial surface, palisade and spongy parenchyma, and leaf blade were assessed. The vessel elements parameters were also evaluated and Carlquist vulnerability index were measured. The results show that P. aduncum changes the internal structure of its leaf when grown under different radiation conditions. It presented greater epidermis thickness, greater stomatal density and smaller diameters of vessel elements, anatomical characteristics favorable to its growth under high irradiances. Keywords: Monkey pepper, Ecological anatomy, Luminosity, mesophyll.
650 _aPIMENTA DE MACACO
650 _aANATOMIA VEGETAL
650 _aRADIAÇÃO LUMINOSA
650 _aMESOFILO
650 _aPLANTA MEDICINAL
773 0 _03543
_9345108
_dBotucatu-SP Instituto de Biociências - Departamento de Química e Bioquímica 1998
_o2024-5539
_tRevista Brasileira de Plantas Medicinais (Brazil)
_x1516-0572
_gv. 26(1) p. 27-34; (2024)
_wBR2024002651
856 _uhttps://www.sbpmed.org.br/admin/files/papers/file_gZjFov137kce.pdf
942 _cANA
999 _c327947
_d327947