High-Temperature Effects on Rice Growth, Yield, and Grain Quality

Krishnan, P.; Ramakrishnan, B.; Reddy, K. Raja; Reddy, V. R.

doi:10.1016/b978-0-12-387689-8.00004-7

Cited by 356 publications

(245 citation statements)

References 231 publications

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“…The direct effects include the implications of higher temperatures and changes in ambient carbon dioxide concentrations on the growth, development, and yield of rice plants [20,21]. Additionally in this category are the impacts of changes in rainfall patterns, humidity, solar radiation, and average wind speeds, which influence rice growth and grain yields [22][23][24][25].…”

Section: Climate Change and Rice Productionmentioning

confidence: 99%

“…Higher temperatures already impact rice production in tropical areas, resulting in smaller yields and lower grain quality [21]. The higher temperatures and increases in vapor pressure deficit that will accompany climate change can increase chalkiness, thus reducing head rice yields, particularly during the wet season, when humidity is high [43].…”

Section: Direct Effectsmentioning

confidence: 99%

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Managing Water and Soils to Achieve Adaptation and Reduce Methane Emissions and Arsenic Contamination in Asian Rice Production

Wichelns

2016

Water

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Rice production is susceptible to damage from the changes in temperature and rainfall patterns, and in the frequency of major storm events that will accompany climate change. Deltaic areas, in which millions of farmers cultivate from one to three crops of rice per year, are susceptible also to the impacts of a rising sea level, submergence during major storm events, and saline intrusion into groundwater and surface water resources. In this paper, I review the current state of knowledge regarding the potential impacts of climate change on rice production and I describe adaptation measures that involve soil and water management. In many areas, farmers will need to modify crop choices, crop calendars, and soil and water management practices as they adapt to climate change. Adaptation measures at the local, regional, and international levels also will be helpful in moderating the potential impacts of climate change on aggregate rice production and on household food security in many countries. Some of the changes in soil and water management and other production practices that will be implemented in response to climate change also will reduce methane generation and release from rice fields. Some of the measures also will reduce the uptake of arsenic in rice plants, thus addressing an important public health issue in portions of South and Southeast Asia. Where feasible, replacing continuously flooded rice production with some form of aerobic rice production, will contribute to achieving adaptation objectives, while also reducing global warming potential and minimizing the risk of negative health impacts due to consumption of arsenic contaminated rice.

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Section: Climate Change and Rice Productionmentioning

confidence: 99%

Section: Direct Effectsmentioning

confidence: 99%

Managing Water and Soils to Achieve Adaptation and Reduce Methane Emissions and Arsenic Contamination in Asian Rice Production

Wichelns

2016

Water

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“…The response to heat stress involves physiological adaptations that are required to protect the cellular functions (compatible osmolytes such as glycinebetaine, g-aminobutyric acid), changes in photosynthesis and assimilate partitioning, hormonal changes (ABA and ethylene) and accumulation of secondary metabolites (carotenoids, phenolics, isoprenoids; for reviews, see Kotak et al 2007;Wahid et al 2007;Barnabás et al 2008;Krishnan et al 2011). As with other abiotic stresses, heat stress induces a response to oxidative stress to protect against the damaging effect of activated oxygen species.…”

Section: Heat Stressmentioning

confidence: 99%

Yield stability for cereals in a changing climate

Powell

Ravash

et al. 2012

Functional Plant Biol.

131

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Abstract. The United Nations Food and Agriculture Organisation (FAO) forecasts a 34% increase in the world population by 2050. As a consequence, the productivity of important staple crops such as cereals needs to be boosted by an estimated 43%. This growth in cereal productivity will need to occur in a world with a changing climate, where more frequent weather extremes will impact on grain productivity. Improving cereal productivity will, therefore, not only be a matter of increasing yield potential of current germplasm, but also of improving yield stability through enhanced tolerance to abiotic stresses. Successful reproductive development in cereals is essential for grain productivity and environmental constraints (drought, cold, frost, heat and waterlogging) that are associated with climate change are likely to have severe effects on yield stability of cereal crops. Currently, genetic gains conferring improved abiotic stress tolerance in cereals is hampered by the lack of reliable screening methods, availability of suitable germplasm and poor knowledge about the physiological and molecular underpinnings of abiotic stress tolerance traits.

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“…An increase in atmospheric CO2, has a fertilization effect on rice, promoting its growth and productivity. The effect of global warming would have negative influence on rice production due to increased respiration that resulted into shortened vegetative and grain-filling period (Krishnan et al, 2011). Further, increases in temperature might have both positive and negative effects on crop yields, in general, temperature increases have been found to reduce yields and quality of many crops, most importantly cereal and food grains.…”

Section: Introductionmentioning

confidence: 99%

PRODUCTIVITY OF RAINFED RICE (Oryza sativa L.) AS INFLUENCED BY CROP GEOMETRY IN THE CONTEXT OF CLIMATE CHANGE

Saveipune¹,

Abraham²,

Tripathi³

et al. 2018

JEBAS

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On Farm Adaptive Research experiment was conducted during the Kharif season 2013 to assess the effect of crop geomerty in the context of climate change on productivity of rainfed rice (Oryza sativa L). Experiment was laid out in Randomized Block Design (RBD) with 3 treatments viz., 20 cm x 20 cm + Matka khad; 20 cm x 20 cm + neem and tobacco extract and 20 cm x 15 cm + inorganic fertilizers, conventional practice, each treatment replicated 9 times. Results of study revealed that significantly higher grain yield (7.78 t/ha), straw yield (17.06 t/ha), test weight (24.99 g) panicle length of (21.12 cm) were recorded in the treatment with 20 cm x 20 cm spacing + neem and tobacco extract. Further, this treatment has higher grain yield (15.17%), test weight (2.96%) and panicle length (17.66%) over the 20 cm x 15 cm spacing + inorganic fertilizers. Also this treatment has 12 and 32.65 % higher straw yield as compared to 20 cm x 20 cm spacing + Matka khad and 20 cm x 15 cm spacing + inorganic fertilizers respectively. Number of tillers/panicle in treatment containing 20 cm x 20 cm spacing + neem and tobacco extract (17.06) was statistically not different than the 20 cm x 20 cm spacing + Matka khad (17.89). The panicle length (20.54 cm) and test weight (24.83 g) at spacing 20 cm x 15 cm + inorganic fertilizers was found to be statistically at par with 20 cm x 20 cm spacing + neem and tobacco extract (24.99 g). Further, highest CGR (7.88 g/m 2 /day) and RGR (0.041 g/g/day) were recorded in treatment with 20 cm x 15 cm spacing + inorganic and 20 cm x 20 cm + Matka khad.. While maximum number of grains/panicle (136.67) was recorded in the treatment having 20 cm x 20 cm spacing + neem and tobacco extract.

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High-Temperature Effects on Rice Growth, Yield, and Grain Quality

Cited by 356 publications

References 231 publications

Managing Water and Soils to Achieve Adaptation and Reduce Methane Emissions and Arsenic Contamination in Asian Rice Production

Managing Water and Soils to Achieve Adaptation and Reduce Methane Emissions and Arsenic Contamination in Asian Rice Production

Yield stability for cereals in a changing climate

PRODUCTIVITY OF RAINFED RICE (Oryza sativa L.) AS INFLUENCED BY CROP GEOMETRY IN THE CONTEXT OF CLIMATE CHANGE

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