Relation between Cool Temperature Damage at Booting Stage and Water Depth in Dwarf Lines of Rice.

Murai, Masayuki; Hirose, Shohei; Kusutani, Akihito; Shinbashi, N.; NISHIKAWA, Yuichiro

doi:10.1270/jsbbs1951.41.581

Cited by 8 publications

(17 citation statements)

References 6 publications

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“…The treated panicles in each line were grouped in accordance with the number of days before flowering from the final day of the CA or DW treatment, and the mean value of each day-group was calculated for spikelet fertility, SN-T/C and FS-T/C, in order to examine the relation between cool susceptibility and panicle development stages. In previous papers (Murai et al 1991a, 1991b, Murai et al 2003, the L 5 , viz. the mean value of the lowest five spikelet fertilities on five consecutive days in each line/cultivar, was used for evaluating the cool tolerances of lines and cultivars.…”

Section: Evaluation Of Cool Tolerancementioning

confidence: 99%

“…Moreover, spikelet degeneration can be induced by cool temperature at the booting stage (Terao et al 1940, Kiyosawa and Aimi 1954, Matsuzaki and Matsushima 1971. In northern Japan, the deep water irrigation at a depth of 20 cm is the most effective cultural method to reduce the cool weather damage: developing panicles are protected almost under the surface of the deep irrigation water which is ordinarily warmer than the air above it (Sakai 1949, Kobayashi 1974, Kobayashi and Satake 1979, Satake et al 1988, Murai et al 1991b.…”

Section: Introductionmentioning

confidence: 99%

“…the increase of differentiated pollen grain number per anther and the decrease of cool-temperature injury to pollen development (Murai et al 1991a(Murai et al , 1991b(Murai et al , 2003. Moreover, d18-k produces the characteristic panicle type with fewer secondary branches (Murai andKinoshita 1983b, Murai 1999), resulting in less cool-temperature damage in spikelet number per panicle (Murai et al 2003).…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, d18-k produces the characteristic panicle type with fewer secondary branches (Murai andKinoshita 1983b, Murai 1999), resulting in less cool-temperature damage in spikelet number per panicle (Murai et al 2003). On the other side, d18-k enables to protect developing panicles with shallower irriga-tion water owing to the dwarfness (Murai et al 1991b.…”

Section: Introductionmentioning

confidence: 99%

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Effect of the Dwarfing Gene d18-k on Cool Tolerance at Booting Stage under the Genetic Background of an Extremely Cool-tolerant Rice Line Norin-PL11, and its Relation with Water Depth

Murai

Yoshida

2003

Breed. Sci.

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Norin-PL11 (PL11) is a highly cool-tolerant line which contains genes for cool tolerance introduced from 'Padi Labou Alumbis', a landrace of Borneo. We investigated whether the dwarfing gene d18-k (kotaketamanishiki dwarf) exerts its pleiotropic effect of enhancing the cool tolerance at the booting stage under the genetic background of PL11, using the d18-k isogenic line of the recurrent parent PL11 (D11). During the booting stage, two cool-air treatments at 12°C for five days with and without deep water of 15 cm depth (DW and CA treatments, respectively) were conducted in growth chambers illuminated at about 600 Omol PAR m −2 s −1 . Besides spikelet fertility, the ratio (%) of the fertilized-spikelet number of each treated panicle to the varietal mean of fertilized-spikelet number per panicle in the control, viz. FS-T/C was adopted in order to estimate the extent of cool damage including the factor of spikelet degeneration. The CA treatment induced notable spikelet degeneration in PL11, but not in D11. The parameter L 5 , which is the average of the lowest five FS-T/C values (or spikelet fertilities) on five consecutive days in each line, was used for evaluating the cool tolerances of the lines. In the CA treatment, D11 had a higher L 5 in FS-T/C than PL11, indicating that D11 is more cool-tolerant than PL11. D11 showed a significantly higher L 5 of FS-T/C in the DW treatment than in the CA treatment, but PL11 showed no significant difference of L 5 between the CA and DW treatments. Similar results were obtained for spikelet fertility. In D11, almost the whole panicle at the most susceptible stage was under the surface of the deep water. On the other hand, the whole panicle was above the water surface at that stage in PL11. Consequently, D11 almost eluded the damage from the severe cool-air treatment when combined with the deep water. D11 exceeded PL11 not only in ripened pollen grain number per anther in the control but also in an indicator of pollen fertility after the CA treatment, owing to the effects of d18-k. It is concluded that d18-k may be useful for developing super-highly cool-tolerant cultivars for cool-weather areas.

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Section: Evaluation Of Cool Tolerancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of the Dwarfing Gene d18-k on Cool Tolerance at Booting Stage under the Genetic Background of an Extremely Cool-tolerant Rice Line Norin-PL11, and its Relation with Water Depth

Murai

Yoshida

2003

Breed. Sci.

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“…The other isogenic line regarding sd1, which was developed after 12 backcrosses with 'Shiokari' (Murai et al 1991), was used; it was denoted by "S d ". 'Shiokari' and S d were grown at a single fertilizer level with three replications in 1996.…”

Section: Experiments Of the Isogenic Line Of 'Shiokari'mentioning

confidence: 99%

Effects of the Dwarfing Gene Originating from ‘Dee-geo-woo-gen’ on Yield and its Related Traits in Rice

et al. 2002

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Effects of the dwarfing gene sd1 originating from the Taiwanese rice variety 'Dee-geo-woo-gen' on yield, yield components and other traits were investigated using two isogenic lines, T d and S d , and their respective parental varieties, 'Taichung 65' (T65) and 'Shiokari'. At Kochi University, T d and T65 were grown at three fertilizer levels in 1998, and at one fertilizer level in 1995. S d and 'Shiokari' were grown at one fertilizer level at Hokkaido University in 1996. Yields of T d and T65 increased as the fertilizer level was increased in 1998. The yield of T d was lower than that of T65 under all four growing conditions. Similarly, the yield of S d was lower than that of 'Shiokari'. In spikelet number per panicle, T d and S d were significantly smaller than their respective parental varieties under all growing conditions. In panicle number per m 2 , differences between T d and T65 were nonsignificant under all growing conditions. In this trait, S d was larger than 'Shiokari'. In ripenedgrain percentage, T d was higher than T65. In 1000 grain weight, on the other hand, T d was smaller than T65 under all growing conditions except that in 1995. In these two traits, however, S d and 'Shiokari' were similar to each other. T d and T65 were similar to each other in length and width of spikelet. To sum up, the lower yields of T d and S d were mainly due to their small numbers of spikelets per panicle in comparison with their respective parental varieties. In spikelet number per m 2 and in sink size, T d and S d were smaller than their respective parental varieties, indicating that sd1 decreases sink size. In LAI and leaf weight per m 2 at the 80 %-heading stage, T d and T65 were similar to each other, indicating that sd1 has almost no effect on the total amount of photosynthetic organ.

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Pleiotropic effect of the dwarfing gene d18‐k on cool tolerance at booting stage under the genetic background of an extremely cool‐tolerant line Norin‐PL8 in rice

Murai¹,

Kc²,

Gima³

et al. 2003

Plant Breeding

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Norin-PL8 (ÔPL8Õ) is an extremely cool-tolerant line of rice in Japan that contains genes for cool tolerance originating from a javanica landrace. It was investigated to see whether the dwarfing gene d18-k (kotaketamanishiki dwarf) exerts its pleiotropic effect on enhancing the cool tolerance at the booting stage in the genetic background of PL8. The d18-k isogenic line of the recurrent parent PL8 (D8), PL8, and two commercial cultivars ÔHayayukiÕ and ÔKirara 397Õ were used. For each line/cultivar, the 12°C-5-day treatment was conducted at various times during the booting stage. In addition to spikelet fertility, the ratio (%) of the fertilized-spikelet number of each treated panicle to the varietal mean of fertilized-spikelet number per panicle in the control (FS-T/C) was adopted to estimate cool temperature damage. For FS-T/C, the lines-cultivars ranked in the order of D8 > PL8 > ÔHayayukiÕ ‡ ÔKirara 397Õ, reflecting their cool tolerances. D8 exceeded PL8 in both pollen grain number per anther in the control and as an indicator of pollen fertility after the treatment, as a result of the effects of d18-k. Consequently, d18-k can be used to develop super-highly cool-tolerant cultivars for cool-weather areas.

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Relation between Cool Temperature Damage at Booting Stage and Water Depth in Dwarf Lines of Rice.

Cited by 8 publications

References 6 publications

Effect of the Dwarfing Gene d18-k on Cool Tolerance at Booting Stage under the Genetic Background of an Extremely Cool-tolerant Rice Line Norin-PL11, and its Relation with Water Depth

Effect of the Dwarfing Gene d18-k on Cool Tolerance at Booting Stage under the Genetic Background of an Extremely Cool-tolerant Rice Line Norin-PL11, and its Relation with Water Depth

Effects of the Dwarfing Gene Originating from ‘Dee-geo-woo-gen’ on Yield and its Related Traits in Rice

Pleiotropic effect of the dwarfing gene d18‐k on cool tolerance at booting stage under the genetic background of an extremely cool‐tolerant line Norin‐PL8 in rice

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Relation between Cool Temperature Damage at Booting Stage and Water Depth in Dwarf Lines of Rice.

Cited by 8 publications

References 6 publications

Effect of the Dwarfing Gene d18-k on Cool Tolerance at Booting Stage under the Genetic Background of an Extremely Cool-tolerant Rice Line Norin-PL11, and its Relation with Water Depth

Effect of the Dwarfing Gene d18-k on Cool Tolerance at Booting Stage under the Genetic Background of an Extremely Cool-tolerant Rice Line Norin-PL11, and its Relation with Water Depth

Effects of the Dwarfing Gene Originating from &lsquo;Dee-geo-woo-gen&rsquo; on Yield and its Related Traits in Rice

Pleiotropic effect of the dwarfing gene d18‐k on cool tolerance at booting stage under the genetic background of an extremely cool‐tolerant line Norin‐PL8 in rice

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Product

Resources

About

Effects of the Dwarfing Gene Originating from ‘Dee-geo-woo-gen’ on Yield and its Related Traits in Rice