Browsing NIBIO Brage by Author "Spetz, Carl"
Now showing items 1-15 of 15
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A Novel Recombined Potato virus Y Isolate in China
Han, Shuxin; Gao, Yanling; Fan, Guoquan; Zhang, Wei; Qiu, Cailing; Zhang, Shu; Bai, Yanju; Zhang, Junhua; Spetz, Carl (Journal article; Peer reviewed, 2017)This study reports the findings of a distinct Potato virus Y (PVY) isolate found in Northeast China. One hundred and ten samples (leaves and tubers) were collected from potato plants showing mosaic symptoms around the city ... -
Base-Editing-Mediated Artificial Evolution of OsALS1 In Planta to Develop Novel Herbicide-Tolerant Rice Germplasms
Kuang, Yongjie; Li, Shaofang; Ren, Bin; Yan, Fang; Spetz, Carl; Li, Xiangju; Zhou, Xueping; Zhou, Huanbin (Peer reviewed; Journal article, 2020-04-06)Recently developed CRISPR-mediated base editors, which enable the generation of numerous nucleotide changes in target genomic regions, have been widely adopted for gene correction and generation of crop germplasms containing ... -
Begrenset kartlegging av virusoverførende bladlus i potet i Norge i 2011
Klingen, Ingeborg; Eklo, Toril; Spetz, Carl (Bioforsk rapport;7(105) 2012, Research report, 2012-02-02)Bladlusoverført virus er et problem i potet i Norge. Hvert år er det settepotetpartier i den sertifiserte avlen som ikke kan godkjennes fordi innholdet av PVY/PVA er for høye. For høyt virusinnhold i potetprodusentenes ... -
Comparative transcriptome analysis in Triticum aestivum infecting wheat dwarf virus reveals the effects of viral infection on phytohormone and photosynthesis metabolism pathways
Liu, Yu; Liu, Yan; Spetz, Carl; Li, Li; Wang, Xifeng (Peer reviewed; Journal article, 2020-01-16)Wheat dwarf virus (WDV), a mastrevirus transmitted by the leafhopper Psammotettix alienus, causes a severe disease in cereal crops. Typical symptoms of wheat plants infected by WDV are yellowing and severe dwarfing. In ... -
EAPR 2010. 14th triennial meeting of the Virology Section of the European Association for Potato Research (EAPR) Hamar, Norway 4th — 9th July 2010. Book of abstracts
Spetz, Carl; Blystad, Dag-Ragnar (Bioforsk FOKUS;5(5) 2010, Research report, 2010) -
In vitro therapies for virus elimination of potato-valuable germplasm in Norway
Zhang, Zhibo; Wang, Qiao-Chun; Spetz, Carl; Blystad, Dag-Ragnar (Journal article; Peer reviewed, 2019-01-25)Potato (Solanum tuberosum L.) is one of the most important crops grown in Norway, and virus-free plants are required for commercial potato production and for preservation of potato germplasm. The present study evaluates ... -
ISVDOP 13. The 13th International Symposium on Virus Diseases of Ornamental Plants Norway, June 24-29, 2012. Book of abstracts
Blystad, Dag-Ragnar; Spetz, Carl (Bioforsk FOKUS;7(9) 2012, Research report, 2012-06) -
Kartlegging av virus i jordbær 2017 og 2018. Resultater fra OK-programmet.
Blystad, Dag-Ragnar; Spetz, Carl (NIBIO Rapport;5(51) 2019, Research report, 2019-05)Det ble sommeren 2017 og 2018 gjennomført et artleggingsprogram for å undersøke om plantemateriale av jordbær som var nylig importert, kunne være infisert av virus. Det ble tatt ut stikkprøver i jordbærfeltene hos utvalgte ... -
Kartlegging for pospiviroid i 2011
Spetz, Carl; Øystein, Ruden; Blystad, Dag-Ragnar (Bioforsk rapport;7(39) 2012, Research report, 2012-02-10)Det ble våren 2011 igangsatt et overvåkingsprogram for viroider i prydplanter i søtvierfamilien. Det ble analysert i alt 158 prøver av ulike arter og sorter. Prøvene ble først analysert med en PCRmetode som påviser alle ... -
A New Era in Herbicide-Tolerant Crops Development by Targeted Genome Editing
Gosavi, Gokul; Ren, Bin; Li, Xiangjiu; Zhou, Xueping; Spetz, Carl; Zhou, Huanbin (Peer reviewed; Journal article, 2022)Weeds are one of the biggest problems that modern agriculture is facing worldwide due to the impact they have on crop productivity. Thus, there is a necessity to develop crop varieties with herbicide resistance or tolerance, ... -
Next generation sequencing as a method to verify virus elimination using heat treatment and meristem tip culture in the five most widely used sweet potato varieties in Ethiopia
Buko, Dereje Haile; Spetz, Carl; Hvoslef-Eide, Anne Kathrine (Peer reviewed; Journal article, 2020-07-31)Sweet potato (Ipomoea batatas L. Lam) has become one of the staple crops in Africa in the last 20 years. In Ethiopia, sweet potato is the second most widely grown root crop and is the first regarding the production per ... -
SpRY greatly expands the genome editing scope in rice with highly flexible PAM recognition
Xu, Ziyan; Kuang, Yongjie; Ren, Bin; Yan, Daqi; Yan, Fang; Spetz, Carl; Sun, Wenxian; Wang, Guirong; Zhou, Xueping; Zhou, Huanbin (Peer reviewed; Journal article, 2021-01-04)Background Plant genome engineering mediated by various CRISPR-based tools requires specific protospacer adjacent motifs (PAMs), such as the well-performed NGG, NG, and NNG, to initiate target recognition, which notably ... -
An update of sweet potato viral disease incidence and spread in Ethiopia
Buko, Dereje Haile; Gedebo, A.; Spetz, Carl; Hvoslef-Eide, Anne Kathrine (Peer reviewed; Journal article, 2020-08-31)Sweet potato (Ipomoea batatas (L.) Lam.) is an important root crop for poor farmers in developing countries. Since the late 1980s, viral diseases have increasingly become a threat to sweet potato production in Ethiopia. ... -
Viroid-sjukdommer i tomat
Blystad, Dag-Ragnar; Brurberg, May Bente; Fløistad, Erling; Spetz, Carl (Bioforsk TEMA;7(8) 2012, Research report, 2012)Tomato chlorotic dwarf viroid ble nylig påvist i et tomatgartneri i Rogaland. Påvisning av viroid som skadegjører i tomat representerer noe nytt for plantehelsesituasjonen i Norge. Til tross for at dette viroidet ikke står ... -
Virus i jordbær 2017. Resultater fra OK-programmet.
Blystad, Dag-Ragnar; Spetz, Carl (NIBIO Rapport;, Research report, 2018-05-11)Det ble sommeren 2017 gjennomført et kartleggingsprogram for å undersøke om importert plantemateriale av jordbær kunne være infisert av virus. Det ble tatt ut stikkprøver i jordbærfeltene hos utvalgte bærprodusenter som ...