scholarly journals Special issue in honour of Prof. Reto J. Strasser - Influence of Cuscuta campestris Yunck. on the photosynthetic activity of Ipomoea tricolor Cav. - in vivo chlorophyll a fluorescence assessment

2020 ◽  
Vol 58 (SPECIAL ISSUE) ◽  
pp. 422-432
Author(s):  
L. ZAGORCHEV ◽  
A. TRAIANOVA ◽  
D. TEOFANOVA ◽  
J. LI ◽  
M. KOUZMANOVA ◽  
...  
Keyword(s):  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Photosynthetic Activity ◽  
Special Issue ◽  
Ipomoea Tricolor ◽  
Cuscuta Campestris

scholarly journals Special issue in honour of Prof. Reto J. Strasser - Photosynthetic activity as assessed via chlorophyll a fluorescence suggests a role of potassium channels in root to shoot signaling

2020 ◽  
Vol 58 (SPECIAL ISSUE) ◽  
pp. 608-621
Author(s):  
O.V. VOITSEKHOVSKAJA ◽  
V.I. APOLLONOV ◽  
A.V. MURTUZOVA ◽  
C.K. RABADANOVA ◽  
M.A. CHARNYSH ◽  
...  
Keyword(s):  
Potassium Channels ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Photosynthetic Activity ◽  
Special Issue

scholarly journals SENSITIVITY TO ENVIRONMENTAL STRESS OF PRATA,JAPIRA AND VITÓRIA BANANA CULTIVARS PROVEN BY CHLOROPHYLL a FLUORESCENCE

2017 ◽  
Vol 39 (2) ◽  
Author(s):  
PRISCILA NOBRES DOS SANTOS ◽  
DIOLINA MOURA SILVA ◽  
CAMILLA ZANOTTI GALLON ◽  
JOSÉ AIRES VENTURA
Keyword(s):  
Environmental Stress ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Physiological Responses ◽  
Fluorescence Emission ◽  
Conservation Of Energy ◽  
Post Harvest ◽  
Mda Content ◽  
Two Stages

ABSTRACT This study aimed to evaluate the physiological responses to environmental stress during pre- and post-harvest of the following banana cultivars: Prata (AAB), Japira (AAAB) and Vitoria (AAAB). Analyses were carried out on young plants at vegetative stage (daughter-plant) and adult plants at reproductive stage (motherplant). The experimental design was completely randomized. In the in vivo pre-harvest analysis were used seven replications, in a factorial scheme (3x2x2), three cultivars and two stages (vegetative and reproductive) and two collection periods (March and June). For the analysis of post-harvest quality were used five replications in a factorial design (3x2x5), corresponding to three cultivars, two development stages and five periods of post-harvest analysis, carried out every two days from stage 4 of fruit ripening. The chlorophyll a fluorescence emission kinetics showed low photochemical performance of the three cultivars in June, a period characterized by lower temperatures and water deficit. Prata was the cultivar with the lowest tolerance to abiotic physiological behavior changes, which also reflected in fruit quality, because there was a change in physical and physicochemical parameters. Japira and Vitoria cultivars showed similar physiological responses in the pre- and post-harvest periods, according to their phylogenetic proximity. The total performance index, i.e., the conservation of energy absorbed by PSII up to the reduction of the final PSI acceptors (PItotal) and the di-malonic aldehyde (MDA) content were significantly higher in Japira and Vitoria cultivars compared to Prata cultivar in the reproductive phase. There was no significant change in the potential quantum efficiency of PSII (FV / FM = jP0) among the three cultivars. It was concluded that Japira and Vitoria cultivars showed greater plasticity to tolerate or even adapt to abiotic variations keeping higher fruit yield. PItotal is the most sensitive parameter during the banana life cycle and important tool for distinguishing different cultivars yields.

scholarly journals In Vivo Assessment of Cold Tolerance through Chlorophyll-a Fluorescence in Transgenic Zoysiagrass Expressing Mutant Phytochrome A

PLoS ONE ◽  
2015 ◽  
Vol 10 (5) ◽  
pp. e0127200 ◽  
Author(s):  
Mayank Anand Gururani ◽  
Jelli Venkatesh ◽  
Markkandan Ganesan ◽  
Reto Jörg Strasser ◽  
Yunjeong Han ◽  
...  
Keyword(s):  
Cold Tolerance ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Phytochrome A ◽  
In Vivo Assessment

Chlorella fusca (Chlorophyta) grown in thin-layer cascades: Estimation of biomass productivity by in-vivo chlorophyll a fluorescence monitoring

2016 ◽  
Vol 17 ◽  
pp. 21-30 ◽  
Author(s):  
Celia G. Jerez ◽  
José R. Malapascua ◽  
Magda Sergejevová ◽  
Jiří Masojídek ◽  
Félix L. Figueroa
Keyword(s):  
Thin Layer ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Biomass Productivity ◽  
Chlorella Fusca

scholarly journals Special issue in honour of Prof. Reto J. Strasser - A comparative chlorophyll a fluorescence study on isolated cells and intact leaves of Bouteloua gracilis (blue grama grass)

2020 ◽  
Vol 58 (SPECIAL ISSUE) ◽  
pp. 262-274 ◽  
Author(s):  
B. JIMENEZ-FRANCISCO ◽  
A. STIRBET ◽  
H. CAMPOS ◽  
F.V. CONDE-MARTINEZ ◽  
D. PADILLA-CHACON ◽  
...  
Keyword(s):  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Bouteloua Gracilis ◽  
Special Issue ◽  
Fluorescence Study ◽  
Isolated Cells ◽  
Blue Grama ◽  
Intact Leaves
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