Identification of Endodormancy Release for Cherries (Prunus Avium L.) by Abscisic Acid and Sugars

Fm, Chmielewski; Kp, Götz; Homann, Thomas; Huschek, Gerd; Rawel, Harshadrai M.

doi:10.4172/2376-0354.1000210

Cited by 17 publications

(11 citation statements)

References 21 publications

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“…The lowest values were found for the phase TC-OC of the ontogenetic development. These results confirm our findings which were based on 5 seasons 2011/12-2015/16 [34] and also the course of ABA concentration in peach buds (Prunus persica L.) during the dormancy phases [9]. The role of ABA in context of bud dormancy has been often implied but is not yet completely clear [9,35].…”

Section: Targeted Phytohormone Analysissupporting

confidence: 91%

Abscisic Acid Related Metabolites in Sweet Cherry Buds (Prunus avium L.)

Fm¹,

Baldermann²,

Kp³

et al. 2018

J Hortic

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Section: Targeted Phytohormone Analysissupporting

confidence: 91%

Abscisic Acid Related Metabolites in Sweet Cherry Buds (Prunus avium L.)

Fm¹,

Baldermann²,

Kp³

et al. 2018

J Hortic

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“…Temperate woody plants present maximum levels of reserves during endo-dormancy establishment (process b.4 in Figure 3) [67,100]. This pattern has been described in buds [112,113], as well as in storage organs such as twigs [101]. High sugar concentrations in the cytoplasm and an ABA-mediated rise in dehydrin concentrations prevent freezing injuries by facilitating osmotic regulation [114].…”

Section: Physiological Processes During Endo-dormancymentioning

confidence: 89%

A Conceptual Framework for Winter Dormancy in Deciduous Trees

et al. 2020

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The perennial life strategy of temperate trees relies on establishing a dormant stage during winter to survive unfavorable conditions. To overcome this dormant stage, trees require cool (i.e., chilling) temperatures as an environmental cue. Numerous approaches have tried to decipher the physiology of dormancy, but these efforts have usually remained relatively narrowly focused on particular regulatory or metabolic processes, recently integrated and linked by transcriptomic studies. This work aimed to synthesize existing knowledge on dormancy into a general conceptual framework to enhance dormancy comprehension. The proposed conceptual framework covers four physiological processes involved in dormancy progression: (i) transport at both whole-plant and cellular level, (ii) phytohormone dynamics, (iii) genetic and epigenetic regulation, and (iv) dynamics of nonstructural carbohydrates. We merged the regulatory levels into a seasonal framework integrating the environmental signals (i.e., temperature and photoperiod) that trigger each dormancy phase.

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“…This is consistent with a study in Japanese apricot (Prunus mume), which found that soluble sugars such as glucose and sucrose were at low levels at the beginning of dormancy, and gradually increased until dormancy release . Sugar transportation and synthesis are important to budbreak in Japanese pear, Japanese apricot, and cherry (Marafon et al, 2011;Zhuang et al, 2015;Chmielewski et al, 2017;Fadón et al, 2018a). Dormant cherry buds accumulate starch throughout endodormancy and chilling induces the increase of starch and sucrose concentrations in Japanese pear buds (Marafon et al, 2011;Fadón et al, 2018a).…”

Section: The Degs Located In Qtl Regions May Be Involved In Dormancy mentioning

confidence: 99%

“…In Prunus, winter buds were originally considered to be in a resting state and thus this state was termed "dormancy." However, both endodormant and ecodormant Prunus buds are now known to have unique and changing transcriptional profiles, continued metabolic activities including starch accumulation and hormone fluctuations, and ongoing floral structure differentiation (Reinoso et al, 2002;Zhu et al, 2015;Chmielewski et al, 2017;Zhang et al, 2018). This differs from other species such as pear, which have a true resting state at endodormancy (Saito et al, 2015b).…”

Section: Introductionmentioning

confidence: 99%