THE "PHOTOSYNTHESIS–GROWTH–STRESS MEMORY" RELATIONSHIP IN PLANTS UNDER CONDITIONS OF MOISTURE FLUCTUATION AND RECURRENT DROUGHT: MANAGEMENT OPTIONS

The effect of co-activation of the stress-memory formation potential under repeated drought of Glycine max (Merr.) L. plants was recorded using cytokinin (CK), thiourea (TH) and, especially, complex preparation Polyel. Glycine max plants (Merr.) L. of Moldovitsa, Nadejda and Magia varieties, exposed...

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Veröffentlicht in:Journal of Applied Life Sciences and Environment 2023-05, Vol.55/2022 (4(192)), p.457-472
Hauptverfasser: Anastasia ŞTEFÎRŢĂ, Anastasia, BULHAC, Ion, BRÎNZĂ, Lilia, VOLOȘCIUC, Leonid, COROPCEANU, Eduard, COCU, Maria
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Sprache:eng
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Zusammenfassung:The effect of co-activation of the stress-memory formation potential under repeated drought of Glycine max (Merr.) L. plants was recorded using cytokinin (CK), thiourea (TH) and, especially, complex preparation Polyel. Glycine max plants (Merr.) L. of Moldovitsa, Nadejda and Magia varieties, exposed to two cycles of "drought–rehydration" at the "first trifoliate leaf" and "flowering - pods formation” phases served as test subjects. The tolerance-inducing effect manifests itself by maintaining the content of assimilatory pigments, photosynthesis and growth processes at a significantly higher level. After the restoration of the optimal moisture background, plants pre-treated with CK, TH and the preparation Polyel, which endured moderate stress in the initial stages of ontogenesis, had restored functional processes. The information obtained in this work certainly opens the management perspective of the ability to form stress memory, adaptation and tolerance of plants to the unfavourable fluctuation of humidity and recurrent drought. The management possibilities of plant adaptation and tolerance are discussed.
ISSN:2784-0379
2784-0360
DOI:10.46909/alse-554076