Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/91255
Type of publication: conference paper
Type of publication (PDB): Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Klimas, Evaldas;Leliūnienė, Jolanta;Baležentienė, Ligita
Title: Vernalisation impact on biometrical parameters of new Festulolium varieties
Is part of: Rural Development 2017 [elektroninis išteklius]: Bioeconomy Challenges : The 8th International Scientific Conference, 23-24th November, 2017, Aleksandras Stulginskis University : Abstracts Book. Akademija : Aleksandras Stulginskis University, 2017
Extent: p. 48-49
Date: 2017
Keywords: Festulolium;vernalisation;photoperiod;morphometry
ISBN: 9786094491238
Abstract: Many plants, including Festulolium, grown in temperate climates require vernalization and must experience a period of low winter temperature to initiate or accelerate the flowering process.The aim of research was to investigate impact of vernalisation thermoinduction on growth and development parameters of Festulolium two varieties ’Vėtra’ and ’Punia’.Investigations were carried out in Lithuanian Research Centre for Agriculture and Forestry Institute of Horticulture,Plant Physiology Laboratory of phytotron complex in 2011-2012. The aim of research is to investigate some peculiarities of growth and development of Festulolium. Festulolium varieties ’Vėtra’ and ’Punia’ were investigated. 5 plants were sown in each 5 liter pot in neutral peat substrate (pH 6-6.5).The plants were grown in greenhouse till the tillering phase at the temperature of 20±2°C at daytime and 16±2°C at night. Later plants were moved to low temperature chambers for 90, 110 and 130 days for passing of vernalisation processes, where the 8 and 16 hour photoperiod were maintained at 4°C temperature. After vernalisation periods plants were removed to a greenhouse for additional 20 days. Biometric parameters, namely plant height, shoot number, and dry mass were measured after each period in greenhouse and climatic chambers. The data revealed different response of Festulolium new varieties ’Vėtra’ and ’Punia’to vernalisation conditions.According to our data ’Vėtra’ plant height was 6% higher than the ’Punia’ after 130+20 days of vernalisation. Nonetheless, vernalisation temperature conditions have no significant impact on shoot number. 110 and 130 long-day photoperiod significantly impacted on shoot number of Festulolium ʽVėtraʼ.Otherwise, 90 days vernalisation of both photoperiod induced significantly the highest length of ʽPuniaʼ shoots. [...]
Internet: http://www.ruraldevelopment.lt/doc/SANTRAUKOS_%20GERAS.pdf
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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