Gas exchange and chlorophyll a fluorescence measurements as proxies of X-ray resistance in Phaseolus vulgaris L.

2019 ◽  
Vol 58 (4) ◽  
pp. 575-583
Author(s):  
C. R. Guadagno ◽  
M. Pugliese ◽  
S. Bonanno ◽  
A. M. Manco ◽  
N. Sodano ◽  
...  
Keyword(s):  
Phaseolus Vulgaris ◽  
Gas Exchange ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Phaseolus Vulgaris L ◽  
X Ray ◽  
Fluorescence Measurements

Leaf gas exchange and chlorophyll a fluorescence in soybean leaves infected by Phakopsora pachyrhizi

2017 ◽  
Vol 166 (2) ◽  
pp. 75-85 ◽  
Author(s):  
Vinícius Souza Rios ◽  
Jonas Alberto Rios ◽  
Carlos Eduardo Aucique-Pérez ◽  
Patrícia Ricardino Silveira ◽  
Aline Vieira Barros ◽  
...  
Keyword(s):  
Gas Exchange ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Leaf Gas Exchange ◽  
Phakopsora Pachyrhizi ◽  
Soybean Leaves

scholarly journals Chlorophyll a fluorescence as an indicator of water stress in Calophyllum brasiliense

2020 ◽  
Vol 48 (1) ◽  
pp. 210-220 ◽  
Author(s):  
Lucas C. REIS ◽  
Silvana P.Q. SCALON ◽  
Daiane DRESCH ◽  
Andressa Caroline FORESTI ◽  
Cleberton C. SANTOS ◽  
...  
Keyword(s):  
Water Deficit ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Stress Condition ◽  
Water Status ◽  
Photosynthetic Apparatus ◽  
Stress Indicator ◽  
Fluorescence Measurements ◽  
Calophyllum Brasiliense ◽  
And Function

The objective of this study was to evaluate chlorophyll a fluorescence as a stress indicator in Calophyllum brasiliense Cambess seedlings grown with different concentrations of abscisic acid (ABA) under intermittent water deficit condition: daily irrigation without ABA (I); daily irrigation + 10 μM ABA (I 10); daily irrigation + 100 μM ABA (I 100); suspension of daily irrigation without ABA (SI); suspension of daily irrigation + 10 μM ABA (SI 10) and  suspension of daily irrigation + 100 μM ABA (SI 100). The intermittent water deficit reduces water status and impairs the photochemical apparatus functioning and seedling quality. The fluorescence measurements helped identify the stress condition of water deficit in the cultivation of C. brasiliense and the beneficial effect of the application of 10 μM of ABA in minimizing stress and facilitating the recovery of seedlings after re-irrigation, while maintaining the integrity and function of the photosynthetic apparatus.

Comparative measurements of chlorophyll a fluorescence, acid accumulation and gas exchange in exposed and shaded plants of Clusia minor L. and Clusia multiflora H. B. K. in the field

Trees ◽  
1997 ◽  
Vol 11 (4) ◽  
pp. 240-247 ◽  
Author(s):  
T. E. E. Grams ◽  
A. Haag-Kerwer ◽  
Elizabeth Olivares ◽  
Erika Ball ◽  
Stefan Arndt ◽  
...  
Keyword(s):  
Gas Exchange ◽  
Chlorophyll A ◽  
Chlorophyll A Fluorescence ◽  
Acid Accumulation
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