Effect of chilling on the water balance of rice seedlings.

Kabaki, Nobuyuki; Tajima, Koichi

doi:10.1626/jcs.50.489

Cited by 12 publications

(14 citation statements)

References 5 publications

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“…There are some reports that plant growth of indica genotypes is more strongly restricted under low temperature conditions than that of other genotypes, and that there is a greater incidence of chilling injuries (Kabaki and Tajima, 1981;Mackill and Lei, 1997;Andaya and Mackill, 2003), irreversible root damage and poor water absorption (Kabaki and Tajima, 1981), decreased leaf development (Hiraoka et al, 1987), and suppression of shoot elongation (Hiraoka et al, 1987;Redona and Mackill, 1996). In the present study, there was a strong positive correlation between the varietal differences in shoot dry weights at 18 DAT and those in shoot lengths in ET in both years (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Taken together, the low biomass production in indica genotypes at low temperatures could be partly due to the feedback inhibition of photosynthesis (Bagnall et al, 1988). This warrants an examination of the relative importance of sink capacity for carbohydrate accumulation, leaf photosynthesis, and water absorption (Kabaki and Tajima, 1981) as factors infl uencing genotypic variation in biomass productivity at low temperatures.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Varietal Differences in Biomass Production of Rice Early After Transplanting at Low Temperatures

Ohsumi¹,

Furuhata²,

Matsumura³

2012

Plant Production Science

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Varietal Differences in Biomass Production of Rice Early After Transplanting at Low Temperatures

Ohsumi¹,

Furuhata²,

Matsumura³

2012

Plant Production Science

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“…1989;Wightman 1979). The amelioration of chilling injury by exogenously applied ABA (Kabaki & Tajima 1981;Lee et al 1991;Rikin etal. 1975Rikin etal.…”

Section: Introductionmentioning

confidence: 99%

“…, 1976 strengthens the evidence for a role for ABA in chilling toierance. However, although limited work has shown that exogenously applied ABA could relieve rice seedlings from chilling injury (Kabaki & Tajima 1981;Lee et al 1991), there is little evidence revealing whether internal ABA is involved in regulating the chilling tolerance of rice seedlings, especially from the point of view of whole plant responses.…”

Section: Introductionmentioning

confidence: 99%

Role of abscisic acid in chilling tolerance of rice (Oryza sativa L.) seedlings. I. Endogenous abscisic acid levels

Lee

Lur

Cai

1993

Plant Cell & Environment

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Changes of ABA levels in chilled rice {Oryza sativa L.) seedlings of two varieties were determined. On exposure to chilling, ABA concentration rapidly increased in the chilling-tolerant cultivar (cv. Tainung 67, TNG.67) but not in the chilling-sensitive cultivar (cv. Taichung Native 1, TN.l). Both detached shoots and roots of TNG.67 seedlings showed a significant ABA increase after exposure to chilling. TN.l seedlings could not accumulate ABA under low temperature but well-watered status. Exogenous application of the ABA biosynthetic inhibitor, fluridone, reduced ABA accumulation, as well as survival ratio of chilled TNG.67 seedlings. Electrolyte leakage and leaf conductance were also increased by the inhibitor and the effects could be reversed by exogenously applied ABA. ABA concentrations in xylem sap of TNG.67 seedlings increased within 4 h after chilling, and this was temporally coincident with the reduction of leaf conductance. The roles of endogenous ABA in the tolerance of rice seedlings to chilling on a whole plant basis are discussed and suggested.

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“…An influence of brassinosteroids on the growth recovery of maize and cucumber seedlings after cold stress has also been reported.10) ABA was suggested to be a stress hormone and related closely to the adaptation of plants to stressful conditions.ll-15) It was known that ABA treatment before cold stress ameliorated cold injury of rice seedlings. 16,17) There was also a reported attempt to protect rice plants against the cold stress using an ABA analogue.18) In addition, it was shown that endogenous ABA levels were higher in cold-tolerant rice seedlings than in cold-sensitive rice seedlings after exposure to low temperatures. 19,20) Our results also demonstrated that ABA reduced the ratio of leaf rolling (Tables 1 and 2) and the electrolyte leakage (Fig.…”

Section: Discussionmentioning

confidence: 99%

Improvement of Cold Resistance in Rice Seedlings by 5-Aminolevulinic Acid

Hotta¹,

Tanaka²,

Luo

et al. 1998

J. Pestic. Sci.

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5-Aminolevulinic acid (ALA) at low concentrations increased cold resistance in rice seedlings. The pretreatment of rice seedlings by root-soaking with ALA solution at 0.1-1 ppm reduced the ratio of leaf rolling and electrolyte leakage from leaf tissue after cold treatment. Thirty days after cold treatment at 5C for 5 days, the plants treated with 1 ppm ALA resulted in 85% survival ratio, 6.1 leaves per plant and 111.8 mg dry weight per aerial part of seedling, while 65%, 5.9 and 65.0 mg respectively in the control plants. The dry weight of seedlings treated with ALA increased 1.7 folds as compared to the control plants. These results are the first evidence that ALA has protective effects against cold stress in rice seedlings. Abscisic acid (ABA) and brassinolide (BR) also increased the cold resistance in our bioassay system. Protective effect of BR at 0.001 ppm against cold stress was similar to that of ALA. However, protective effect of ABA was different from that of ALA in terms of the ratio of leaf rolling after cold stress. ABA protected young leaves rather than old ones, while ALA and BR were more effective on the protection of old leaves.

show abstract

Effect of chilling on the water balance of rice seedlings.

Cited by 12 publications

References 5 publications

Varietal Differences in Biomass Production of Rice Early After Transplanting at Low Temperatures

Varietal Differences in Biomass Production of Rice Early After Transplanting at Low Temperatures

Role of abscisic acid in chilling tolerance of rice (Oryza sativa L.) seedlings. I. Endogenous abscisic acid levels

Improvement of Cold Resistance in Rice Seedlings by 5-Aminolevulinic Acid

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