Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/83264
Type of publication: Straipsnis kitose duomenų bazėse / Article in other databases (S4)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Juknevičienė, Živilė;Venskutonienė, Egidija;Pęksa, Anna
Title: High/low temperature and exposure time impact on potato tuber germination
Is part of: Zeszyty Problemowe Postępów Nauk Rolniczych Warszawa, 2010, z. 557
Extent: p. 111-118
Date: 2010
Keywords: Seed tubers;Apical dominance;Bud number;Germination percentage;High/low temperatures
Abstract: Laboratory experiments were carried out in the laboratory of Raw Materials for Food Agronomic and Livestock Research of Agronomy Faculty of the Lithuanian University of Agriculture in 2009. The investigation focused on Sola-num. tuberosum L. cv. 'Goda' and Solarium tuberosum L. cv. 'Solara'. The aim of this paper was to identify the effect of high/low temperatures on the potato tuber sprout initiation at the apical dominance stage. Potato tuners were exposed to different temperatures (-10°C, +5°C, + 30°C, +40°C, -f 50°C) and time (30, 60 and 90 min) regimes. Control potato tubers were stored in light, +18°C and photoperiod of 12 h. Before the test, the tubers were numbered, fixed eyes number on the upper, middle and lower parts of the tubers. After obtaining these conditions it was assessed that germinated eyes were numbered on the upper, middle and lower parts of the-tubers. The dynamics of tuber sprout was determined with an interval of 7-14-21 days after high / low temperatures effect, and all seed tubers were analyzed. The present study confirmed that high (+40, +50°C)/low (-10°C) temperatures broke the apical sprout and increasing of the quantity of sprouting eyes
Internet: https://hdl.handle.net/20.500.12259/83264
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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