Effects of water and temperature stresses on radiation use efficiency in a semi-arid grassland

Bat-Oyun, Tserenpurev; Shinoda, Masato; Tsubo, Mitsuru

doi:10.1080/17429145.2011.564736

Cited by 20 publications

(5 citation statements)

References 50 publications

(51 reference statements)

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“…This circumstance was also described by Jamieson et al (1995), where leaf senescence is the main cause of decreased radiation intercepted while causing biomass production to decrease. Bat-Oyun et al (2011) reported that water stress caused the senescence of plants and brought a reduction in canopy photosynthetic capacity; such a situation also occurred in this experiment, where rice plants planted in saturated soil conditions had a lower net photosynthetic rate compared to flooded soil conditions.…”

Section: Resultssupporting

confidence: 66%

Growth and Yield Comparison of Rice Plants Treated with Encapsulated Trichoderma asperellum (UPM 40) in Response to Drought Stress

Yusup¹,

Yusoff²,

Ismail³

et al. 2023

JTAS

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During low rainfall periods, rice plants often face drought stress, which would significantly affect rice yield. One of the methods to mitigate the problem is incorporating rice plants with fungi such as Trichoderma. This study evaluated the effects of encapsulated Trichoderma asperellum (UPM 40) on the growth and yield of rice plants planted in saturated and flooded soil conditions in response to drought stress. A randomized complete block factorial design was implemented with four replications and two factors. The first factor was encapsulated T. asperellum (UPM 40) concentration of 0 and 5 g. The second factor was the soil condition: saturated and flooded soil. The drought stress was imposed by halting watering during early anthesis for 14 days and resumed afterward. One of the significant interaction effects detected was on the relative water content of rice plants planted in flooded soil conditions and treated with T. asperellum (UPM 40), where the value was 78.51%, higher than the control of 72.09%, which showed the ability of the fungus to help rice plants alleviate detrimental effects of drought stress and delay the onset of adverse effects of drought stress. Thus, it contributed to the crop’s simultaneous improvement in rice yield compared to untreated plants in saturated soil. Applying 5 g encapsulated T. asperellum (UPM 40) to the rice plants would perform best in flooded soil conditions during drought stress.

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Section: Resultssupporting

confidence: 66%

Growth and Yield Comparison of Rice Plants Treated with Encapsulated Trichoderma asperellum (UPM 40) in Response to Drought Stress

Yusup¹,

Yusoff²,

Ismail³

et al. 2023

JTAS

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“…Variations in TDM based RUE attributed to change in radiation interception which is a key function for the production of dry biomass (Scott et al, 2003). In current study, a progressive reduction in RUETDM was ascribed with drought stress, as decrease in RUETDM might be due to decline in canopy photosynthetic efficiency as a result of leaf senescence by means of drought stress (Bat-Oyun et al, 2011). Integrated use of inorganic NPK and FYM caused a positive change in RUETDM because of increased dry matter production through quick leaf area development by maximum interception of incoming PAR.…”

Section: Discussionmentioning

confidence: 54%

Light Interception, Radiation Use Efficiency and Biomass Accumulation Response of Maize to Integrated Nutrient Management Under Drought Stress Conditions

Randhawa¹,

Maqsood²,

Shehzad³

et al. 2017

Turkish Journal of Field Crops

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In order to alleviate the drought adversities on maize (Zea mays L.)biomass accumulation and radiation use efficiency (RUE), a field study was conducted under drought stress levels of D1 = well-watered, D2 = drought stress at blister stage, D3 = drought stress at blister and dough stages; and integrated nutrition levels, N0 = control, N1 = NPK, 125-60-62 kg ha-1 , N2 = NPK, 125-60-62 kg ha-1 + FYM at 10 t ha-1 , N3 = NPK, 125-60-62 kg ha-1 + FYM at 15 t ha-1 , N4 = NPK, 250-120-125 kg ha-1 , N5 = NPK, 250-120-125 kg ha-1 + FYM at 10 t ha-1 , N6 = NPK, 250-120-125 kg ha-1 + FYM at 15 t ha-1. Drought stress caused a significant decline in growth traits, interception of photosynthetically active radiation (PAR), RUE and finally biomass production. The highest leaf area index, leaf area duration, crop growth rate, net assimilation rate, interception of PAR and dry matter accumulation was recorded in plants applied with NPK (250-120-125 kg ha-1) in combination with FYM (15 t ha-1), whereas only NPK application did not significantly improve light interception and dry biomass production. Fraction of intercepted (Fi) radiation was significantly improved by integrated nutrient management under well-watered as well as drought stress conditions. A substantial decrease in total dry matter and grain yield basis RUE was recorded from higher to lower plant nutrition rates, as the highest value of RUE was found with treated plants of 250-120-125 kg NPK ha-1 + FYM at 15 t ha-1. Thus, our study demonstrates that supplemental NPK with FYM is an effective strategy to boost the drought tolerance through improved RUE and biomass accumulation in maize.

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“…The spatial and temporal variations of ANPP may be analyzed using the Monteith model (1972): ANPP = PARi × fAPAR × RUE, where PARi is incident photosynthetically active radiation, fAPAR is the fraction of absorbed photosynthetically active radiation, and RUE is the above‐ground radiation use efficiency: the conversion of absorbed radiation into above‐ground dry matter (Running et al, 2000). fAPAR may be estimated from satellite spectral indices (Baret & Guyot, 1991; Box et al, 1989; DiBella et al, 2004; Goward et al, 1985; Paruelo et al, 1997; Piñeiro et al, 2006; Prince, 1991; Sellers et al, 1992; Tucker et al, 1985), PARi is obtained from weather stations, and RUE is generally estimated by field measurement (Bat‐Oyun et al, 2011; Oyarzabal et al, 2010; Sinclair & Muchow, 1999). The difficulty in estimating RUE generates uncertainty on ANPP estimates and limits the use of Monteith’s model (Nouvellon et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

“…Differences in species composition or functional types among plant communities are examples of interactive controls (Guido et al, 2014). Finally, examples of direct controls on RUE are variations in the availability of nutrients and soil water (Bat‐Oyun et al, 2011; Hunt & Miyake, 2006; Nouvellon et al, 2000; Zhang et al, 2006), and seasonal fluctuations in light and temperature (Piñeiro et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Radiation use efficiency of the herbaceous layer of dry Chaco shrublands and woodlands: Spatial and temporal patterns

Blanco

Paruelo

Oesterheld

et al. 2022

Applied Vegetation Science

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Aims Monitoring rangeland above‐ground net primary production (ANPP) requires information on the variation of radiation use efficiency (RUE). We studied the spatial and temporal variations of RUE of the herbaceous layer (RUEH) in woodlands and shrublands and its association with grazing regime, environmental, and vegetation variables. Location We worked in the Arid Chaco (Argentina), an ecotone region between the Chaco and Monte phytogeographic provinces. Woody and herbaceous species coexist in variable proportions in relation to a regional precipitation gradient and local edaphic variations. Methods and results Over eight growing seasons, we estimated RUEH at 12 sites, each with two contrasting grazing regimes (moderate and severe). To do this, we related estimated ANPPH from biomass harvests and APARH (absorbed photosynthetically active radiation of the herbaceous layer) calculated from the MODIS normalized difference vegetation index (NDVI). Then we linked the RUEH with precipitation, physiognomy, soil, and landscape data. Most of the spatial variability of RUEH was accounted for by the grazing regime. Moderately grazed areas had a three times greater RUEH than severely grazed ones (0.507 and 0.180 g MJ−1 respectively). They also exhibited different proportions of herbaceous functional types. Physiognomic characteristics of the woody layer explained a significant proportion of the spatial variation of RUEH not explained by grazing regime. RUEH was between 30 and 150% greater in woodlands than in shrublands depending on whether the sites were under moderate or severe grazing respectively. Conclusion Grazing regime and woody physiognomy accounted for most of the variation in herbaceous radiation use efficiency. Our results show that RUEH may be predicted with greater accuracy from a combination of vegetation maps and information on grazing regime. Thus, our models could be incorporated into web platforms that provide ANPPH (forage) monitoring services based on satellite data, in order to improve their estimates in woodlands, shrublands and savanna ecosystems.

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Effects of water and temperature stresses on radiation use efficiency in a semi-arid grassland

Cited by 20 publications

References 50 publications

Growth and Yield Comparison of Rice Plants Treated with Encapsulated Trichoderma asperellum (UPM 40) in Response to Drought Stress

Growth and Yield Comparison of Rice Plants Treated with Encapsulated Trichoderma asperellum (UPM 40) in Response to Drought Stress

Light Interception, Radiation Use Efficiency and Biomass Accumulation Response of Maize to Integrated Nutrient Management Under Drought Stress Conditions

Radiation use efficiency of the herbaceous layer of dry Chaco shrublands and woodlands: Spatial and temporal patterns

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