Anthocyanin content in cultivated<i>Fragaria vesca</i>berries under high temperature and water deficit stress

Rugienius, R.; Bendokas, Vidmantas; Kazlauskaitė, E.; Šikšnianas, T.; Stanys, V.; Kazanavičiūtė, Vaiva; Sasnauskas, A.

doi:10.17660/actahortic.2016.1139.110

Cited by 6 publications

(8 citation statements)

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“…The results of our study show that WD has a positive effect on anthocyanin accumulation in Fragaria berries only at moderate air temperatures of around 20 °C. Similar results were obtained in our other study, in which anthocyanin accumulation did not increase under WD at elevated temperatures [ 25 ]. In the current experiment, we observed a substantial decrease in the anthocyanin content in berries starting on 13 May, when the air temperature inside the greenhouse increased to over 30 °C.…”

Section: Discussionsupporting

confidence: 92%

“…The rise in temperature before 8 May further accelerated the ripening of berries in all studied irrigation regimes. An increase in berry yield due to elevated air temperature was also observed in our other experiment [ 25 ]. In both cases, berry weight and yield decreased at the end of harvest, especially when plants were grown under WD.…”

Section: Discussionsupporting

confidence: 86%

“…Mild WD was found to increase apple yield [ 24 ]. An increase in berry yield per plant of a strawberry hybrid was observed in our other experiment [ 25 ]. This indicates that the dehydration stress-induced increase in strawberry yield, at least during certain growth stages, is not coincidental.…”

Section: Discussionsupporting

confidence: 70%

“…It is known that the accumulation of anthocyanins and other polyphenols in plants is influenced by many factors, including light and temperature [ 29 ]. Interestingly, anthocyanin accumulation had two peaks in our other experiment [ 25 ]. The influence of temperature on anthocyanin biosynthesis is ambiguous according to different investigators.…”

Section: Discussionmentioning

confidence: 76%

“…Differences among genotypes have been observed by other authors investigating the response of strawberry plants to WD [20][21][22][23][24][25][26][27]. The reaction to water deficit stress in plants of different genotypes has been related to the ratio between carbon fixation and water loss [20] or differences in the response to jasmonic acid and stomatal closure speed [28].…”

Section: Discussionmentioning

confidence: 97%

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Characteristics of Fragaria vesca Yield Parameters and Anthocyanin Accumulation under Water Deficit Stress

Rugienius

Bendokas

Šikšnianas

et al. 2021

Plants

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Plants exposed to drought stress conditions often increase the synthesis of anthocyanins—natural plant pigments and antioxidants. However, water deficit (WD) often causes significant yield loss. The aim of our study was to evaluate the productivity as well as the anthocyanin content and composition of berries from cultivated Fragaria vesca “Rojan” and hybrid No. 17 plants (seedlings) grown under WD. The plants were grown in an unheated greenhouse and fully irrigated (control) or irrigated at 50% and 25%. The number of berries per plant and the berry weight were evaluated every 4 days. The anthocyanin content and composition of berries were evaluated with the same periodicity using HPLC. The effect of WD on the yield parameters of two evaluated F. vesca genotypes differed depending on the harvest time. The cumulative yield of plants under WD was not less than that of the control plants for 20–24 days after the start of the experiment. Additionally, berries accumulated 36–56% (1.5–2.3 times, depending on the harvest time) more anthocyanins compared with fully irrigated plants. Our data show that slight or moderate WD at a stable air temperature of about 20 °C positively affected the biosynthesis of anthocyanins and the yield of F. vesca berries.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 86%