| 1. |
- Johansson, Mikael, et al.
(författare)
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Monitoring seasonal bud set, bud burst, and cold hardiness in populus
- 2022
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Ingår i: Plant circadian networks. - New York, NY : Humana Press. - 9781071619117 - 9781071619124 ; , s. 215-226
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Bokkapitel (refereegranskat)abstract
- Using a perennial model plant allows the study of reoccurring seasonal events in a way that is not possible using a fast-growing annual such as A. thaliana (Arabidopsis). In this study, we present a hybrid aspen (Populus tremula × P. tremuloides) as our perennial model plant. These plants can be grown in growth chambers to shorten growth periods and manipulate day length and temperature in ways that would be impossible under natural conditions. In addition, the use of growth chambers allows easy monitoring of height and diameter expansion, accelerating the collection of data from new strategies that allow evaluation of promoters or inhibitors of growth. Here, we describe how to study and quantify responses to seasonal changes (mainly using P. tremula × P. tremuloides) by measuring growth rate and key events under different photoperiodic cycles.
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| 2. |
- Johansson, Mikael, et al.
(författare)
-
The perennial clock is an essential timer for seasonal growth events and cold hardiness
- 2022
-
Ingår i: Plant circadian networks. - New York, NY : Humana Press. - 9781071619117 - 9781071619124 ; , s. 227-242
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Bokkapitel (refereegranskat)abstract
- Over the last several decades, changes in global temperatures have led to changes in local environments affecting the growth conditions for many species. This is a trend that makes it even more important to understand how plants respond to local variations and seasonal changes in climate. To detect daily and seasonal changes as well as acute stress factors such as cold and drought, plants rely on a circadian clock. This chapter introduces the current knowledge and literature about the setup and function of the circadian clock in various tree and perennial species, with a focus on the Populus genus.
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