Identification of QTL Controlling Flooding Tolerance in Reducing Soil Conditions in Maize (<i>Zea mays</i> L.) Seedlings

Mano, Yoshiro; Muraki, Masanori; Takamizo, Tadashi

doi:10.1626/pps.9.176

Cited by 40 publications

(44 citation statements)

References 16 publications

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“…Mano et al (2006a) found a QTL for flooding tolerance in reducing conditions on chromosome 1 in the yellow flint maize inbred line, F1649. Since the effect of the QTL found in F1649 was not large, further studies using additional genetic resources are required.…”

Section: Tolerance At Reducing Soil Conditionmentioning

confidence: 99%

Breeding for flooding tolerant maize using "teosinte" as a germplasm resource

Mano

Omori

2007

Plant Root

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Section: Tolerance At Reducing Soil Conditionmentioning

confidence: 99%

Breeding for flooding tolerant maize using "teosinte" as a germplasm resource

Mano

Omori

2007

Plant Root

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“…In addition, leaf injury is reliable for evaluating flooding tolerance and is used widely for QTL analyses in barley (Li et al 2008, Zhou 2011), maize (Mano et al 2006) and soybean (Cornelious et al 2005, Reyna et al 2003). However, the degree of leaf injury under flooded conditions can differ widely according to soil type.…”

Section: Introductionmentioning

confidence: 99%

Accurate evaluation and verification of varietal ranking for flooding tolerance at the seedling stage in barley (<i>Hordeum vulgare</i> L.)

Mano

Takeda

2012

Breed. Sci.

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Soil flooding or waterlogging is a major abiotic stress in upland crops. In barley, there have been several reported studies of selection for flooding-tolerant genotypes, but it is difficult to obtain varietal rankings that are consistent among researchers. Our objectives were to establish experimental conditions that could be applied by other research groups and to verify the varietal ranking conducted in an earlier study. We conducted greenhouse experiments on 14 barley varieties. At the 2.5-leaf stage, they were flooded with 0% or 0.1% soluble starch solution (mimicking reducing conditions). At 13 to 15 days after the start of treatment, the degree of leaf injury and the shoot dry weight ratio (treatment:control) were recorded. Reliable and highly repeatable results were obtained for the criterion of leaf injury under reducing conditions, whereas shoot dry weight ratio was unstable. The varieties OUJ820 and OUA301 were highly tolerant, whereas OUA002 and OUJ247 were sensitive; these results matched those of the earlier study. The experimental conditions that we developed here may be useful for selection testing and genetic analysis of flooding tolerance in other laboratories.

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“…Additionally, an interesting verification of the obtained results can be carried out after identification of QTLs of the described agronomic traits and comparing them with the results of research presented by Milczarski (2010) and Milczarski et al (2011). What is more, identification of QTLs of biometric traits of seedlings analyzed under both low and high level of nitrogen and potassium can be attempted, and the results can be compared to the QTLs described for root architecture of plants growing under conditions of different abiotic stresses by Tuberosa et al (2002), Mano et al (2006), Zhu et al (2005), Liu et al (2008), including the conditions of nitrogen deficiencies (Tuberosa and Salvi, 2007). crease in TGW might have resulted from adverse weather conditions (Miziak et al, 2011).…”

Section: Discussionmentioning

confidence: 64%

Agronomic Properties Assessed for Population of Recombinant Inbred Lines of Rye (Seceale cereale L.) with Known Responses to Nutrient Deficiency Stress at the Seedling Stage

Smolik

2013

Not Bot Hort Agrobot Cluj

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The experiment was established and carried out in light and slightly acidic soil in the years [2008][2009][2010]. The research material included one hundred thirty-eight RILs (F 8:10 ) of rye with known response to nutrient stress were determined at the seedling stage obtained in vitro in mature embryos cultures and in two parental inbred lines and F 1 . The following factors were determined in the full maturity stage of each RIL: plant height, spike length, plant tillering, spikelet number per spike, grain number per spike, spike fertility, grain weight per spike, grain weight per plant and 1000 grain weight. Differences in the examined traits were found between parental inbred lines, and the heterosis effect was observed in F 1 hybrid. The range of variability of the examined functional traits demonstrated in the population of RILs proved the transgression effect. The analyzed RILs were arranged into six groups and described with the use of Ward's agglomerative method and grouping variables: spike fertility, grain weight per spike and per plant, thousand grain weight. Significant differences were found among other things between spike morphology and fertility traits and yield per a plant. The possibility of selection of RILs with extreme traits described both in the field and laboratory experiments in comparison with known tolerance to nutrient stress was described. The obtained correlation coefficients for the examined functional traits of RILs were in accordance with those published in reference literature. The correlation coefficients determined for selected seedling traits from the laboratory experiment and for selected traits of a mature plant may prove the usefulness of the test in studies on selection of genotypes desired for sustainable agriculture or for research on heritability of traits of tolerance to nutrient stress.

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Identification of QTL Controlling Flooding Tolerance in Reducing Soil Conditions in Maize (Zea mays L.) Seedlings

Cited by 40 publications

References 16 publications

Breeding for flooding tolerant maize using "teosinte" as a germplasm resource

Breeding for flooding tolerant maize using "teosinte" as a germplasm resource

Accurate evaluation and verification of varietal ranking for flooding tolerance at the seedling stage in barley (<i>Hordeum vulgare</i> L.)

Agronomic Properties Assessed for Population of Recombinant Inbred Lines of Rye (Seceale cereale L.) with Known Responses to Nutrient Deficiency Stress at the Seedling Stage

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