Results 1 to 10 of about 79,388 (238)

Herbicide selectivity on teak seedlings (Tectona grandis L.f)

Diversitas Journal, 2023
One of the factors that interfere in the productivity of a forest culture, the knowledge of the selectivity of the product to the culture is essential to eliminate or limit the injuries caused by the product to the species of interest.
Antônio José Plácido de Mello Mello, Cicero Jacinto da Silva Neto   +1 more
doaj   +3 more sources

Physiological and molecular responses to drought stress in teak (Tectona grandis L.f.). [PDF]

PLoS ONE, 2019
Drought stress is an increasingly common and worrying phenomenon because it causes a loss of production in both agriculture and forestry. Teak is a tropical tree which needs alternating rainy and dry seasons to produce high-quality wood.
Esteban Galeano, Tarcísio Sales Vasconcelos, Perla Novais de Oliveira, Helaine Carrer   +3 more
doaj   +5 more sources

In Vitro Skin Penetration of 5α-Reductase Inhibitors from <i>Tectona grandis</i> L.f. Leaf Extracts. [PDF]

Molecules
The leaf extract of Tectona grandis L.f. has shown potential as a 5α-reductase inhibitor, with two bioactive markers, namely (+)-eperua-8,13-dien-15-oic acid (1) and (+)-eperua-7,13-dien-15-oic acid (2), used for extract standardization.
Insumrong K, Waranuch N, Ingkaninan K, Tanuphol N, Mishra AP, Wisuitiprot W, Wongwad E, Ngamdokmai N, Suphrom N.   +8 more
europepmc   +2 more sources

Geographic Influence and Metabolomics-Driven Discovery of 5-Alpha Reductase Inhibitors in <i>Tectona grandis</i> L.f. (Teak) Leaves. [PDF]

Molecules
The inhibition of steroid 5-alpha reductase (S5AR), a key mechanism for managing dihydrotestosterone-dependent conditions, has been demonstrated in teak (Tectona grandis L.f.) leaf extracts. Our recent clinical study confirmed the effectiveness of a hair
Tanuphol N, Girard C, Temkitthawon P, Suphrom N, Nuengchamnong N, Saesong T, Insumrong K, Wadeng A, Khangkhachit W, Zedet A, Intayot R, Jungsuttiwong S, Plubrukarn A, Senejoux F, Ingkaninan K.   +14 more
europepmc   +2 more sources

Comprehensive Evaluation of <i>Tectona grandis</i> L.f.: Integrated <i>In Vitro</i> and <i>In Silico</i> Analysis of Steroid 5α-Reductase Inhibition and Anti-Inflammatory Properties. [PDF]

ACS Omega
The extract of Tectona grandis L.f. leaves along with its major bioactive constituents, (+)-Eperua-8,13-dien-15-oic acid (1) and (+)-Eperua-7,13-dien-15-oic acid (2), has demonstrated moderate inhibitory activity against the steroid 5α-reductase enzyme ...
Timjan S, Hengphasatporn K, Inprasit J, Ingkaninan K, Shigeta Y, Tanuphol N, Temkitthawon P.   +6 more
europepmc   +2 more sources

Isolation and HPLC Quantitative Determination of 5α-Reductase Inhibitors from Tectona grandis L.f. Leaf Extract [PDF]

Molecules, 2022
Steroid 5α-reductase plays a crucial role in catalyzing the conversion of testosterone to dihydrotestosterone, which is involved in many androgen-dependent disorders. Leaf-hexane extract from Tectona grandis L.f.
Kamonlak Insumrong, Kornkanok Ingkaninan, Neti Waranuch, Nutchaninad Tanuphol, Wudtichai Wisuitiprot, Trinop Promgool, Nungruthai Suphrom   +6 more
doaj   +2 more sources

AVALIAÇÃO SILVICULTURAL DE Tectona grandis L.f., EM CÁCERES – MT, BRASIL: RESULTADOS PRELIMINARES [PDF]

Ciência Florestal, 2006
O presente trabalho reporta à avaliação técnica de um povoamento de teca (Tectona grandis L. f.), instalado em Cáceres, MT. As árvores de teca foram plantadas em oito espaçamentos cujas densidades iniciais variaram de 833 a 2.000 plantas por hectare, em ...
Maria Rosa Gonçalves, Leopoldo Bufulin Junior, Carlos Aberto Moraes Passos   +2 more
doaj   +4 more sources

Traslación nutrimental e incremento medio anual en teca (Tectona grandis L.f.), en Tabasco, México

Colombia Forestal
La traslación nutrimental es la cantidad de nutrientes que son movilizados desde las hojas senescentes a otros tejidos de los árboles. El objetivo de este estudio fue estimar la traslación nutrimental y el incremento medio anual (IMA) en diámetro, altura
José Jesús Obrador Olán, Alberto Cordova Sanchez, Eustolia García López, Mepivoseth Castelán Estrada, David Jesús Palma López, Gilverto Villanueva López, Guillermina Pascual Cordova, José Francisco Juarez López   +7 more
doaj   +2 more sources

Plant species diversity and structure in tree plantations at Téné Protected Forest (Côte d’Ivoire)

Annals of Silvicultural Research, 2022
This study assessed flora establishment in the exotic tree plantations. The old and young Tectona grandis L.f. plantations, mixed-species plantations (Tectona grandis, Gmelina arborea Roxb., Cedrela odorata L.) and a neighbouring unmanaged forest were ...
Bi Tra Aimé Vroh, Youssouf Kone, Victor Awé Djongmo   +2 more
doaj   +1 more source

A 177 Years Extended of Teak Chronology Revealing to the Climate Variability in Phrae Province, Northern of Thailand

Applied Environmental Research, 2020
Teak ring-width is one of the promising paleoclimate proxies in the tropical region. Tree-ring chronology spanning from 1840 to 2016 (177 years) was derived from seventy-six trees from Phrae Province, northern Thailand.
Kanokrat Buareal, Supaporn Buajan , Sineenart Preechamart, Chotika Muangsong, Nathsuda Pumijumnong   +4 more
doaj   +7 more sources