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Heritable variation in tree growth and needle vegetation indices of slash pine (Pinus elliottii) using unmanned aerial vehicles (UAVs)
Pinus elliottii Heritable variation UAVs
2023/6/2
Vegetation indices (VIs) are mainly associated with plant yield, and yield-related physiological traits can assist in breeding selection. Tree breeding programs require a rapid assessment of a large n...
Needle water potential of selected pine species during the off-season: A case study
water stress Pinus global radiation climatic changes stomatal closure transpiration
2017/4/6
In this study we investigated the needle water potential of different pine species using a pressure chamber during winter months. Totally, seven pine species Pinus jeffreyi Greville & Balfour, Pinus p...
Needle longevity as a criterion of response to a climatic fluctuation (so called heat wave) in Scots pine populations at early phases of ontogeny
Scots pine Pinus sylvestris number of needle age classes needle retention climatic episode of heat wave
2015/4/14
The paper presents results of an assessment of needle age classes in Scots pine partial populations in the period of three and five years after outplanting in a lowland site in relation to conditions ...
The host spectrum of Dothistroma needle blight Mycosphaerella pini E. Rostrup – new hosts of Dothistroma needle blight observed in the Czech Republic
Dothistroma needle blight Dothistroma septospora
2015/3/3
Dothistroma needle blight Mycosphaerella pini E. Rostrup and its anamorphic stage Dothistroma septospora
(Dorog.) Morelet was detected for the first time in the territory of the Czech Republic...
Picea pungens Engelm. – a new host of Dothistroma needle blight Mycosphaerella pini E. Rostrup detected in the Czech Republic
Dothistroma needle blight Mycosphaerella pini Picea pungens quarantine pests
2015/2/2
Dothistroma needle blight Mycosphaerella pini is an important pathogen of pine needles. In addition to different species of pine, M. pini was found in blue spruce Picea pungens in the proximity of inf...
Modifying the elastomechanics of the stem and the crown needle mass distribution to affect the diameter increment distribution: A field experiment on 20-year old Abies grandis trees
Abies grandis elastomechanics field experiment stress strain diameter increment distribution
2015/2/2
In the spring of 2000, field experiments were begun on three 20-year old grand fir (Abies grandis) to influence the elasto-mechanical behavior of the stem, as well as the distribution of the assimilat...
Dothistroma needle blight Mycosphaerella pini E. Rostrup, a new quarantine pathogen of pines in the CR
Dothistroma needle blight Mycosphaerella pini Dothistroma septospora Pinus needle cast quarantine pests Picea pungens
2015/2/2
Dothistroma needle blight caused by Mycosphaerella pini E. Rostrup was observed for the first time in the Czech Republic on an imported Pinus nigra Arnold in 1999. In 2000, it was also found in the op...
Needle traces as indicators of growing conditions in Scots pine (Pinus sylvestris L.)
needle retention needle density environmental and anthropogenic impacts
2015/1/29
Needle retention (number of needle sets) and needle density (number of needle pairs per centimeter of shoot) were surveyed on Scots pines in five forest regions of Slovakia. The Needle Trace Method (N...
Mountain Norway spruce forests: Needle supply and its nutrient content
Š umava Mts. (Bohemian Forest) Mountain Norway spruce forest
2015/1/29
Soon after bark-beetle attack as well as after clear cutting, grown-up mountain Norway spruce forest cast the following mass of needles: 50–60 kg of dry matter per tree, or 18–20 tons per hectare, con...
Spatial Variations in Needle Nitrogen Content in Sugi (Cryptomeria japonica D. Don) Plantations across Japan
Cryptomeria japonica Gi*(d) statistics needle nitrogen content spatial variation temperature
2009/8/24
For a general assessment of the nitrogen status of sugi plantations in Japan, we measured nitrogen content in the needles of sugi (Cryptomeria japonica D. Don) trees growing at 531 sites across the co...