Effects of High Air Temperature in Summer of 1999 on Ripening and Grain Quality of Rice.

Terashima, Kazuo; Saito, Yuko; Sakai, Nagao; Watanabe, Takaoki; Ogata, Takefumi; Akita, Shigemi

doi:10.1626/jcs.70.449

Cited by 50 publications

(40 citation statements)

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“…Since the high-temperature during the ripening period deteriorates grain quality (Terashima et al, 2001), we will examine the grain quality and palatability of cooked rice produced in TGC.…”

Section: Effect Of High Temperature On Yield Componentmentioning

confidence: 99%

Effects of High Temperature on Growth, Yield and Dry-Matter Production of Rice Grown in the Paddy Field

Oh-e

Saitoh

Kuroda

2007

Plant Production Science

151

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: The effect of high temperatures on growth, yield and dry-matter production of rice growing in the paddy field was examined during the whole growth period in a temperature gradient chamber (TGC) from 2002 to 2006. Experimental plots, TG1 (control), TG2, TG3 and TG4, were arranged along the temperature gradient (from low to high temperature) in TGC. The mean and maximum air-temperatures in TG4 were 2.0 −3.6ºC and 4.0−7.0ºC higher, respectively, than those in TG1. The plant height was taller and the maximum tillering stage was earlier in TG2, TG3 and TG4 than in TG1. Plant dry weight at maturity in TG2 and TG3 was 12.8−16.4% heavier than that in TG1. In TG4, the increase in the panicle dry weight during the ripening period was smallest and plant dry weight at maturity was 11−16% heavier than that in TG1. The increase in plant drymatter during the ripening period was smallest in TG4. The decrease in the dry weight of stem and leaf during the ripening period, which represents the amount of assimilate translocation to the panicle, was also larger in TG2-4 than in TG1. The increase in the dry weight of stem in TG2-4 at maturity was also larger than that in TG1. The photosynthetic rate in TG2-4 was up to 35.6% lower than that in TG1 because of the acceleration of leaf senescence. Brown rice yield in TG4 was 6.6−39.1% lower than that in TG1. This yield decline was due to the decrease in the percentage of ripened grains and increase in the percentage of sterile spikelets. The relation between brown rice yield and mean air-temperature during 20 days after heading showed that the brown rice yield declined when mean air-temperature exceeded 28ºC.

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Section: Effect Of High Temperature On Yield Componentmentioning

confidence: 99%

Effects of High Temperature on Growth, Yield and Dry-Matter Production of Rice Grown in the Paddy Field

Oh-e

Saitoh

Kuroda

2007

Plant Production Science

151

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“…High temperature increases respiration rate, affects the translocation of photosynthates to grains, resulting in a decrease in grain weight, an increase in the number of sterility and partially fi lled grains, and consequently the decrease in grain quantity and quality (Matsushima and Wada, 1958;Morita, 2000;Zakaria et al, 2002). According to Terashima et al (2001), the percentage of the fi rst grade rice in Iwate prefecture in 1999 was signifi cantly lower than that in normal years because of the high temperature during the early ripening stage. In our experiments, during the fi rst 20 days of August 1999, the average temperature was higher than 27 C, but during the following 10 days and 30 days, solar radiation was 8.8 and 10.1 MJ m -2 day -1 , respectively, (65% and 82% of that in normal years, respectively) (Fig.…”

Section: Effects Of Weather Conditions On Yield Andmentioning

confidence: 99%

Varietal Differences in Tillering and Yield Responses of Rice Plants to Nitrogen-Free Basal Dressing Accompanied withSparse Planting Density in the Tohoku Region of Japan

Duy

Hirano

Sagawa

et al. 2004

Plant Production Science

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“…Rice quality has been decreasing in the last two decades in western Japan, and this decrease is now being seen in middle and northern Japan as well (Terashima et al, 2001;Morita, 2008). One of the most typical defects, milky white rice kernel, is caused by inadequate starch accumulation in whole grains (Hoshikawa, 1989;Terashima et al, 2001).…”

mentioning

confidence: 99%

“…One of the most typical defects, milky white rice kernel, is caused by inadequate starch accumulation in whole grains (Hoshikawa, 1989;Terashima et al, 2001). Grains with a white base or back side of grains and cracked grains are also observed in immature grains.…”

mentioning

confidence: 99%

“…A high temperature during the grainfilling period causes the occurrence of milky white rice kernels (MWK), but the high temperature alone is not considered to directly increase MWK Morita, 2008). A lack of assimilate supply to grains plays a dominant role in increasing MWK, because the rate of MWK is higher in low radiant years (Terashima et al, 2001), plant thinning to increase assimilate supply to grains signifi cantly reduces the rate of MWK and defoliation or shading to reduce the assimilate supply increases the rate of MWK (Nagato and Ebata, 1965;Nakagawa et al, 2008).…”

mentioning

confidence: 99%

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High Risk of the Formation of Milky White Rice Kernels in Cultivars with Higher Potential Grain Growth Rate under Elevated Temperatures

Kobata¹,

Miya²,

Anh³

2011

Plant Production Science

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Effects of High Air Temperature in Summer of 1999 on Ripening and Grain Quality of Rice.

Cited by 50 publications

References 1 publication

Effects of High Temperature on Growth, Yield and Dry-Matter Production of Rice Grown in the Paddy Field

Effects of High Temperature on Growth, Yield and Dry-Matter Production of Rice Grown in the Paddy Field

Varietal Differences in Tillering and Yield Responses of Rice Plants to Nitrogen-Free Basal Dressing Accompanied withSparse Planting Density in the Tohoku Region of Japan

High Risk of the Formation of Milky White Rice Kernels in Cultivars with Higher Potential Grain Growth Rate under Elevated Temperatures

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