Results 21 to 30 of about 32,187 (262)

Root architecture of provenances, seedlings and cuttings of Melia volkensii: implications for crop yield in dryland agroforestry [PDF]

open access: yes, 2002
Melia volkensii (Gürke) is being increasingly promoted as an on-farm tree in Kenya. Researchers’ and farmers’ views on its competitiveness with crops differ; research station studies have found it to be highly competitive whereas farmers do not consider ...
Deans, J.D.   +4 more
core   +1 more source

Effect of site and provenance on the length of transfusion parenchyma of Douglas-fir needles [PDF]

open access: yesGlasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2019
Douglas-fir has been the most common introduced conifer species in European plantations since 1825. The analysis of the characteristics of the introduced tree species by conducting genetic tests may predict the success of transfer of Douglas-fir
Lavadinović Vera   +4 more
doaj   +1 more source

Altitudinal Genetic Variation of Pinus oocarpa Seedling Emergence in the Southern Mountains, Oaxaca, Mexico

open access: yesSeeds, 2023
Pinus oocarpa is the most important conifer for resin production in Mexico, so superior resin trees were selected in the Southern Mountains of Oaxaca, Mexico.
Mario Valerio Velasco-García   +1 more
doaj   +1 more source

Genetic diversity and structure among four provenances of Gelam (Melaleuca cajuputi subsp. cumingiana) and implications for gene conservation and rehabilitation of degraded peat swamp forest in Indonesia

open access: yesForest Science and Technology, 2022
Gelam (Melaleuca cajuputi subsp. cumingiana) is an important pioneer species of tropical peat swamp forests in Indonesia. We collected 95 DNA of dry leaf samples in four provenances in Indonesia (South Sumatera, Bangka, South Kalimantan, Papua) and 8 SSR
Yayan Hadiyan   +5 more
doaj   +1 more source

Catalonia-Italy round trip: Documentary contamination in the funds of some scholars, booksellers and antiquarians

open access: yesBibliothecae.it, 2023
The study of private documentary complexes, with a strong collecting characterisation, becomes a stimulus to fathom the deep links that exist between different and geographically distant institutional contexts.
Lorenzo Sergi
doaj   +1 more source

Selection of Elms Tolerant to Dutch Elm Disease in South-West Romania

open access: yesDiversity, 2022
Ophiostoma novo-ulmi continues to be one of the most dangerous invasive fungi, destroying many autochthonous elm forests and cultures throughout the world.
Dănuț Chira   +10 more
doaj   +1 more source

Relacja mowa–pismo, czyli próba analizy językowej wybranych niemieckich adnotacji w najstarszej księdze miejskiej Zgorzelca (1305–1343)

open access: yesZ Badań nad Książką i Księgozbiorami Historycznymi, 2022
This article is dedicated to the study of the history of the Cyrillic Four Gospels BJ 941 from the manuscript section of the Department of Special Collections of the Jagiellonian Library in Krakow.
Stanisław Wołoszczenko
doaj   +1 more source

High-Throughput 1H-Nuclear Magnetic Resonance-Based Screening for the Identification and Quantification of Heartwood Diterpenic Acids in Four Black Pine (Pinus nigra Arn.) Marginal Provenances in Greece

open access: yesMolecules, 2019
A high-throughput quantitative Nuclear Magnetic Resonance 1H-NMR method was developed and applied to screen the quantity of the diterpenic resin acids in the heartwood of black pine, due to the renewed scientific interest in their medicinal properties ...
Kostas Ioannidis   +2 more
doaj   +1 more source

Understanding the evolution of native pinewoods in Scotland will benefit their future management and conservation [PDF]

open access: yes, 2010
Scots pine (Pinus sylvestris L.) is a foundation species in Scottish highland forests and a national icon. Due to heavy exploitation, the current native pinewood coverage represents a small fraction of the postglacial maximum.
Barton   +22 more
core   +1 more source

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