Differential Physiological Response and Antioxidant Activity Relative to High-Power Micro-Waves Irradiation and Temperature of Tomato Sprouts

Audrius Radzevičius, Sandra Sakalauskienė, Mindaugas Dagys, Rimantas Simniškis, Rasa Karklelienė, Danguolė Juškevičienė, Roma Račkienė and Aušra Brazaitytė
Additional contact information
Audrius Radzevičius: Lithuanian Research Centre for Agriculture and Forestry, Institute of Horticulture, Kaunas St. 30, Babtai, LT-54333 Kaunas, Lithuania
Sandra Sakalauskienė: Lithuanian Research Centre for Agriculture and Forestry, Institute of Horticulture, Kaunas St. 30, Babtai, LT-54333 Kaunas, Lithuania
Mindaugas Dagys: Centre for Physical Science and Technology, A. Goštauto 11, LT-01108 Vilnius, Lithuania
Rimantas Simniškis: Centre for Physical Science and Technology, A. Goštauto 11, LT-01108 Vilnius, Lithuania
Rasa Karklelienė: Lithuanian Research Centre for Agriculture and Forestry, Institute of Horticulture, Kaunas St. 30, Babtai, LT-54333 Kaunas, Lithuania
Danguolė Juškevičienė: Lithuanian Research Centre for Agriculture and Forestry, Institute of Horticulture, Kaunas St. 30, Babtai, LT-54333 Kaunas, Lithuania
Roma Račkienė: Faculty of Electrical and Electronics Engineering, Kaunas University of Technology, Donelaičio St. 73, LT-44249 Kaunas, Lithuania
Aušra Brazaitytė: Lithuanian Research Centre for Agriculture and Forestry, Institute of Horticulture, Kaunas St. 30, Babtai, LT-54333 Kaunas, Lithuania

Agriculture, 2022, vol. 12, issue 3, 1-10

Abstract: Among the various types of stress, microwaves and temperature can induce major impacts on plant growth. There is information describing the thermal impact of microwaves on living organisms, but it is necessary to segregate the warming effect and direct impact of microwaves irradiation on plants. It was detected that High Power Microwaves (HPM) (9.3 GHz) and elevated temperature exposure upon tomato seeds and sprouts in primary ontogenetic stages showed a slightly incentive effect on plant-growing indicators such as dry mass, fresh mass, plants height, and assimilation area. Such a positive effect on plant growing parameters could be related to saccharides distribution by microwaves in seeds or plants and nutrients mobilization. Moreover, tomato plants (+R) and seeds (R) irradiation significantly reduced the content of non-structural carbohydrates (raphinose, glucose, fructose, and sucrose). Obtained results confirm that a common plant acclimatization response to various environmental elements is the concentration of secondary metabolites and antioxidants.

Keywords: antioxidant activities; leaf assimilation; chlorophylls; irradiation; microwaves; response; tomato (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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