Article
Forestry
Johanna Riikonen, Hanna Ruhanen, Jaana Luoranen
Summary: The frequency of warm spells in boreal areas during late fall and winter is expected to increase due to climate change. This study aimed to investigate the effects of warm spells in late fall and winter on the deacclimation of Norway spruce seedlings, their ability to reacclimate during subsequent cold periods, and the impact of short-day treatment in a nursery on their responses to temperature fluctuations during the non-growing season. The results showed that warm spells reduced frost hardiness in needles and increased the probability of bud damage in January and March, but not in October and November. Needles were able to reacclimate from November to January, and buds in early March. Seedlings that received the SD2 treatment retained the ability to reacclimate after a warm spell in March, unlike those in other photoperiod treatments. The timing and use of SD treatment may therefore affect the survival of fall-planted seedlings and seedlings overwintering outdoors in nurseries, particularly in snowless winters.
FOREST ECOLOGY AND MANAGEMENT
(2023)
Article
Forestry
Jouni Partanen, Risto Hakkinen, Sirkka Sutinen, Anneli Vihera-Aarnio, Rui Zhang, Heikki Hanninen
Summary: The study found that chilling helps release endodormancy in Norway spruce grafts, with almost all grafts releasing endodormancy by mid-November. The bud burst percentage and days to bud burst were not dependent on the age of the scion. However, younger scions showed more advanced internal bud development during early ecodormancy release.
Article
Forestry
Camilo Chiang, Marcos Viejo, Oda Toresdatter Aas, Katharina T. Hobrak, Christian Bianchi Stromme, Inger Sundheim Floistad, Jorunn E. Olsen
Summary: Light and temperature play critical roles in the annual growth rhythm of tree seedlings. This study found that increasing temperature under extended red light delayed/prevented bud set and resulted in faster bud burst, indicating less deep dormancy compared to lower temperatures. Additionally, sustained shoot elongation under blue light treatment demonstrated an irradiance-dependent effect of day extension with blue light.
Article
Biochemistry & Molecular Biology
Kanako Matsuse, Mostafa Abdelrahman, Nur Aeni Ariyanti, Fumitada Tsuji, Sho Hirata, Tetsuya Nakajima, Muneo Sato, Masami Yokota Hirai, Benya Manochai, Masayoshi Shigyo
Summary: This study applied targeted metabolome analysis to identify discriminative metabolites between Indonesian shallot landraces, Japanese long-day onion (LDO) varieties, and Japanese short-day onion (SDO) varieties. The results showed that shallot and LDO genotypes have a distinct metabolite profile compared to SDO varieties, with amino acids and organosulfur compounds being the key characteristic metabolites. The analysis also revealed that shallots have higher accumulation of S-alk(en)yl-L-cysteine sulfoxide (ACSO) compounds, explaining their stronger pungency and odor. Additionally, LDO varieties exhibited higher ACSO content compared to SDO varieties, indicating that long-day cultivation enhances sulfur assimilation in Japanese onions. The findings suggest that LDO varieties and shallot landraces with higher ACSO content can be used for Allium breeding to improve onion flavor and stress tolerance.
Article
Plant Sciences
Pavel P. Pashkovskiy, Radomira Vankova, Ilya E. Zlobin, Petre Dobrev, Alexander V. Kartashov, Alexandra I. Ivanova, Valery P. Ivanov, Sergey I. Marchenko, Dmitry I. Nartov, Yury V. Ivanov, Vladimir V. Kuznetsov
Summary: Water stress has different effects on spruce and pine trees, with long-term water deficit impacting spruce more and short-term deficit impacting pine more. Both species showed increased levels of ABA under long-term water deficit. The content of jasmonates and salicylic acid decreased during the short-term water deficit period and was correlated with a decrease in phenolic compounds in pine trees.
ENVIRONMENTAL AND EXPERIMENTAL BOTANY
(2022)
Article
Forestry
Jaana Luoranen, Johanna Riikonen, Timo Saksa
Summary: Snowless winters and varying temperature conditions are becoming more common in boreal and temperate forest zones due to climate change. Factors such as long storage duration and planting seedlings packed in a closed package after the middle of June increase the risk of winter damage in Norway spruce seedlings, while good-quality site preparation and planting improve recovery.
FOREST ECOLOGY AND MANAGEMENT
(2022)
Article
Forestry
Tetiana Svystun, Jenny Lundstromer, Mats Berlin, Johan Westin, Anna Maria Jonsson
Summary: The annual growth cycle of boreal trees is affected by warmer climate, leading to earlier bud burst and increased frost damage risk. Provenance specific temperature sum requirements for bud burst were correlated with origin, and earlier bud burst timing was linked to higher frost damage risk. Assessments of frost risk under climate change can aid in selecting appropriate seed sources for Swedish forestry.
FOREST ECOLOGY AND MANAGEMENT
(2021)
Article
Plant Sciences
Ximena Noriega, Sebastian Rubio, Francisco J. Perez
Summary: The study demonstrated that the shortening of the photoperiod regulates the accumulation of sucrose in grapevine buds, with sucrose playing an important role in bud development by delaying bud swelling and sprouting.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2022)
Article
Biotechnology & Applied Microbiology
Carlos Trujillo-Moya, Andrea Ganthaler, Wolfgang Stoeggl, Erwann Arc, Ilse Kranner, Silvio Schueler, Reinhard Ertl, Ana Espinosa-Ruiz, Maria Angeles Martinez-Godoy, Jan-Peter George, Stefan Mayr
Summary: This study investigated the defense and metabolic processes of resistant and susceptible genotypes of Norway spruce against needle rust disease. The key genes and metabolic pathways involved in spruce defense were identified, and the resistant genotype showed higher levels of resistance-related compounds.
Article
Plant Sciences
Samuel W. Wilkinson, Lars S. Dalen, Thomas O. Skrautvol, Jurriaan Ton, Paal Krokene, Melissa H. Mageroy
Summary: Treating Norway spruce with methyl jasmonate can enhance the tree's resistance to pests and this resistance lasts for a long time. This study found that methyl jasmonate treatment induces a transient upregulation of genes associated with jasmonic acid, salicylic acid, and ethylene biosynthesis, while repressing genes related to growth in Norway spruce.
PLANT CELL AND ENVIRONMENT
(2022)
Article
Forestry
Christian Brischke, Kira Wippermann
Summary: Windthrow and other calamities pose challenges for forestry companies, and solutions for storage are needed to counteract oversupply and falling prices. Foil piles offer a viable option, especially when wet storage is not possible. A case study conducted on Norway spruce wood showed that quality losses in stored wood were related to the atmosphere inside the pile and damage to the foil. Quick action, careful sealing, and support for monitoring and repairs are essential to prevent quality losses.
Article
Plant Sciences
Marcos Viejo, Torstein Tengs, Igor Yakovlev, Hugh Cross, Paal Krokene, Jorunn E. Olsen, Carl Gunnar Fossdal
Summary: Norway spruce, a long-lived gymnosperm, uses an epigenetic memory of temperature experienced during embryogenesis as part of its climatic adaptation strategy. This memory has lasting effects on bud phenology and frost tolerance and is associated with changes in DNA methylation.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Plant Sciences
Ina Zavadilova, Justyna Szatniewska, Peter Petrik, Oldrich Mauer, Radek Pokorny, Marko Stojanovic
Summary: Under ongoing climate change, the effect of long-term water reduction in soil on the water use and growth dynamics of Norway spruce was assessed. The study found that the trees' response to drought and recovery after drought were not significantly affected by water loss adjustment.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Plant Sciences
Shunfu Li, Sohel Rana, Lisha Fang, Huimin Wang, Xiaoxue Zhang, Yanmei Wang, Xiaodong Geng, Zhi Li, Qifei Cai, Zhen Liu
Summary: Paulownia is known for its wood production and is called the tree of the future. The death of terminal buds in autumn leads to the large crown and short stem, which is a significant limitation of Paulownia cultivation. Short day results in the death of terminal buds, while long day results in sustained growth. The molecular mechanism of different photoperiods inducing terminal bud growth and death in Paulownia species was elucidated through RNA-Seq analysis.
SOUTH AFRICAN JOURNAL OF BOTANY
(2023)
Article
Forestry
Vaclav Simunek, Jan Stejskal, Jaroslav Cepl, Jiri Korecky, Zdenek Vacek, Stanislav Vacek, Lukas Bilek, Michal Svanda
Summary: As a result of climate change, Norway spruce is dying across Europe due to the cultivation of unsuitable ecotypes. This study found that the medium-elevation ecotype has the highest carbon sequestration potential, while the high-elevation ecotype has the lowest radial growth. All ecotypes showed a significant negative correlation with seasonal temperature and precipitation. Selecting the appropriate ecotypes is crucial for the stability and productivity of future stands.
Article
Plant Sciences
Micael Wendell, Linda Ripel, YeonKyeong Lee, Odd Arne Rognli, Sissel Torre, Jorunn E. Olsen
PLANT AND CELL PHYSIOLOGY
(2017)
Article
Forestry
Christian Bianchi Stromme, Riitta Julkunen-Tiitto, Jorunn Elisabeth Olsen, Line Nybakken
Article
Plant Sciences
YeonKyeong Lee, Chithra Karunakaran, Rachid Lahlali, Xia Liu, Karen K. Tanino, Jorunn E. Olsen
FRONTIERS IN PLANT SCIENCE
(2017)
Article
Plant Sciences
Christian B. Stromme, Riitta Julkunen-Tiitto, Jorunn E. Olsen, Line Nybakken
ENVIRONMENTAL AND EXPERIMENTAL BOTANY
(2018)
Article
Forestry
Camilo Chiang, Oda Toresdatter Aas, Marianne Rindedal Jetmundsen, YeonKyeong Lee, Sissel Torre, Inger Sundheim Floistad, Jorunn E. Olsen
Article
Forestry
Christian B. Stromme, Elisabeth Schmidt, Jorunn E. Olsen, Line Nybakken
TREES-STRUCTURE AND FUNCTION
(2019)
Article
Plant Sciences
Dajana Blagojevic, YeonKyeong Lee, Dag A. Brede, Ole Christian Lind, Igor Yakovlev, Knut Asbjorn Solhaug, Carl Gunnar Fossdal, Brit Salbu, Jorunn E. Olsen
Article
Forestry
Camilo Chiang, Jorunn E. Olsen, David Basler, Daniel Bankestad, Gunter Hoch
Article
Agronomy
Hazel Navidad, Inger Sundheim Floistad, Jorunn E. Olsen, Sissel Torre
Article
Plant Sciences
Meseret Tesema Terfa, Jorunn Elisabeth Olsen, Sissel Torre
FRONTIERS IN PLANT SCIENCE
(2020)
Article
Plant Sciences
Li Xie, Knut Asbjorn Solhaug, You Song, Bjorn Johnsen, Jorunn Elisabeth Olsen, Knut Erik Tollefsen
Article
Agronomy
Naoya Fukuda, Tomohiro Suenaga, Erika Miura, Atsuko Tsukamoto, Jorunn E. Olsen
Article
Plant Sciences
Jun Liu, Ian R. Willick, Hayato Hiraki, Ariana D. Forand, John R. Lawrence, George D. W. Swerhone, Yangdou Wei, Supratim Ghosh, Yeon Kyeong Lee, Jorunn E. Olsen, Bjoern Usadel, Alexandra Wormit, Markus Guenl, Chithra Karunakaran, James J. Dynes, Karen K. Tanino
Summary: Cold acclimated plants can enhance freezing survival by reducing cell wall porosity through de-methyl esterification of homogalacturonan and subsequent cross-linking with Ca(2+).
JOURNAL OF EXPERIMENTAL BOTANY
(2022)
Article
Biochemistry & Molecular Biology
Dajana Blagojevic, YeonKyeong Lee, Li Xie, Dag A. Brede, Line Nybakken, Ole Christian Lind, Knut Erik Tollefsen, Brit Salbu, Knut Asbjorn Solhaug, Jorunn E. Olsen
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
(2019)
Article
Biochemistry & Molecular Biology
Sheona N. Innes, Louise E. Arve, Boris Zimmermann, Line Nybakken, Tone I. Melby, Knut Asbjorn Solhaug, Jorunn E. Olsen, Sissel Torre
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
(2019)