scholarly journals Combining field performance with controlled environment plant imaging to identify the genetic control of growth and transpiration underlying yield response to water-deficit stress in wheat

2015 ◽  
Vol 66 (18) ◽  
pp. 5481-5492 ◽  
Author(s):  
Boris Parent ◽  
Fahimeh Shahinnia ◽  
Lance Maphosa ◽  
Bettina Berger ◽  
Huwaida Rabie ◽  
...  
Keyword(s):  
Genetic Control ◽  
Water Deficit ◽  
Field Performance ◽  
Yield Response ◽  
Water Deficit Stress ◽  
Controlled Environment ◽  
Response To Water

Relationships between physiological traits and productivity of sugarcane in response to water deficit

2012 ◽  
Vol 152 (1) ◽  
pp. 104-118 ◽  
Author(s):  
M. DE A. SILVA ◽  
J. L. JIFON ◽  
J. A. G. DA SILVA ◽  
C. M. DOS SANTOS ◽  
V. SHARMA
Keyword(s):  
Water Deficit ◽  
Field Studies ◽  
Water Deficit Stress ◽  
Chlorophyll Contents ◽  
Physiological Variables ◽  
Drought Tolerant ◽  
Relative Water ◽  
Leaf Relative Water Content ◽  
Sugarcane Productivity ◽  
Response To Water

SUMMARYThe relationships between physiological variables and sugarcane productivity under water deficit conditions were investigated in field studies during 2005 and 2006 in Weslaco, Texas, USA. A total of 78 genotypes and two commercial varieties were studied, one of which was drought-tolerant (TCP93-4245) and the other drought-sensitive (TCP87-3388). All genotypes were subjected to two irrigation regimes: a control well-watered treatment (wet) and a moderate water-deficit stress (dry) treatment for a period of 90 days. Maximum quantum efficiency of photosystem II (Fv/Fm), estimated chlorophyll content (SPAD index), leaf temperature (LT), leaf relative water content (RWC) and productivity were measured. The productivity of all genotypes was, on average, affected negatively; however, certain genotypes did not suffer significant reduction. Under water deficit, the productivity of the genotypes was positively and significantly correlated with Fv/Fm, SPAD index and RWC, while LT had a negative correlation. These findings suggest that genotypes exhibiting traits of high RWC values, high chlorophyll contents and high photosynthetic radiation use efficiency under low moisture availability should be targeted for selection and variety development in programmes aimed at improving sugarcane for drought prone environments.

Physio-morphological traits and osmoregulation strategies of hybrid maize (Zea mays) at the seedling stage in response to water-deficit stress

PROTOPLASMA ◽  
2021 ◽  
Author(s):  
Piyanan Pipatsitee ◽  
Cattarin Theerawitaya ◽  
Rujira Tiasarum ◽  
Thapanee Samphumphuang ◽  
Harminder Pal Singh ◽  
...  
Keyword(s):  
Zea Mays ◽  
Water Deficit ◽  
Morphological Traits ◽  
Seedling Stage ◽  
Water Deficit Stress ◽  
Hybrid Maize ◽  
Response To Water

Field Crop Response to Water Deficit Stress: Assessment Through Crop Models

2018 ◽  
pp. 287-315
Author(s):  
Rajkumar Dhakar ◽  
M. A. Sarath Chandran ◽  
Shivani Nagar ◽  
V. Visha Kumari ◽  
A. V. M. Subbarao ◽  
...  
Keyword(s):  
Water Deficit ◽  
Water Deficit Stress ◽  
Field Crop ◽  
Crop Response ◽  
Stress Assessment ◽  
Crop Models ◽  
Response To Water

scholarly journals Trigonelline Accumulation in Leaves of Panicum virgatum Seedlings

2014 ◽  
Vol 9 (8) ◽  
pp. 1934578X1400900 ◽  
Author(s):  
Lauren M. Schwartz ◽  
Andrew J. Wood ◽  
David J. Gibson
Keyword(s):  
Water Deficit ◽  
Tallgrass Prairie ◽  
Panicum Virgatum ◽  
Water Deficit Stress ◽  
Significant Difference ◽  
Moisture Treatment ◽  
Relative Water ◽  
Tallgrass Prairies ◽  
Response To Water ◽  
Physiological Markers

Panicum virgatum is a dominant, native, perennial species found in the tallgrass prairie. In this study, we report the biosynthesis and accumulation of trigonelline (TRG) in leaves of P. virgatum in response to water-deficit stress. Once established, half of the seedlings underwent a drought stress treatment while the other half were watered daily (control). Relative water content (RWC) and trigonelline (TRG) concentrations were determined. RWC showed an interaction between moisture treatment and time, in which upland cultivars had the highest mean RWC compared with the lowland cultivars. The moisture treatments showed a significant difference in TRG concentration across all P. virgatum cultivars, which ranged from 0.5–31.8 μg/gFW−1. There was a divergence in TRG accumulation between upland and lowland cultivars in relation to RWC. This study is the first to report TRG accumulation in the grass P. virgatum, and to test for differences in TRG with respect to water-deficit stress among cultivars. The effect of soil moisture levels on cultivars may be important in making an informed selection and the response of P. virgatum and other dominant grasses should be considered as a potential filter in tallgrass prairies for restoration. Physiological markers such as TRG and RWC can aid in this decision making process.

scholarly journals Yield Response of Soybean (Glycine max L.) Genotypes to Water Deficit Stress

2017 ◽  
Vol 19 (2) ◽  
pp. 51-60 ◽  
Author(s):  
Afsana Mimi ◽  
MA Mannan ◽  
QA Khaliq ◽  
MA Baset Mia
Keyword(s):  
Water Stress ◽  
Water Deficit ◽  
Yield Components ◽  
Dry Matter ◽  
Research Field ◽  
Yield Response ◽  
Water Deficit Stress ◽  
Dry Matter Accumulation ◽  
Soybean Genotypes ◽  
Glycine Max L

An experiment was carried out at research field of Agronomy, Department of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur from December 2013 to April 2014. Four soybean genotypes viz. i) G 00022 ii) Galarsum iii) BARI Soybean-5 and iv) G 00197 were grown in the field to evaluate the effects of water deficit stress on dry matter accumulation and yield. Plants were subjected to water stress that is irrigation was withdrawn at Blooming stage (R1) and Full Pod (R4 stages up to maturity. Dry matter accumulation, yield and yield components were reduced by the soil water deficit stress and reduction was higher at R1 stage than R4 stage of water stress. Among the genotypes, G 00022 showed the highest tolerance, while G 00197 was highly susceptible in all the water stress conditions. It was found that higher water deficit stress tolerance in G 00022 was associated with higher accumulation of leaf, stem, root and total dry matter under water stress condition.Bangladesh Agron. J. 2016 19(2): 51-60

scholarly journals Identification of differential expressed transcripts of almond (Prunus dulcis ‘Sefied’) in response to water-deficit stress by cDNA-AFLP

2015 ◽  
Vol 20 (4) ◽  
pp. 403-410 ◽  
Author(s):  
Maryam Shirani Bidabadi ◽  
Behrouz Shiran ◽  
Hossein Fallahi ◽  
Fariba Rafiei ◽  
Fazileh Esmaeili ◽  
...  
Keyword(s):  
Water Deficit ◽  
Prunus Dulcis ◽  
Water Deficit Stress ◽  
Response To Water
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