Different characteristics of high yield formation between inbred japonica super rice and inter-sub-specific hybrid super rice

Wei, Haiyan; Zhang, Hongcheng; Blumwald, Eduardo; Li, Hongliang; Cheng, Jinqiu; Dai, Qigen; ZhongYang, Huo; Xu, Ke; Guo, Baowei

doi:10.1016/j.fcr.2016.09.009

Cited by 53 publications

(37 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Some researchers have reported that IJHR cultivars have strong biomass production and greater yield potential than JIR cultivars or indica hybrid rice cultivars (Wei et al, 2017(Wei et al, , 2016Yuan, 2017), and our results have confirmed the findings of earlier reports ( Table 5). The present study determined that, compared to CF, the AWSD irrigation regimen reduced the irrigation input and induced a reduction in grain yield of 23.5%-28.1% in the JIR cultivars; however, the reduction was only 14.8%-16.6% in the IJHR cultivars (Table 5), and the WUE was not significantly different between the CF and AWSD irrigation regimens for the JIR cultivars.…”

Section: Agronomic and Physiological Traits For Indica-japonica Hybsupporting

confidence: 93%

“…Varietal improvement and crop management are two important ways to increase NUE in rice production. Previous studies indicated that the IJHR cultivars had higher grain yield and NUE than the main locally grown cultivars (Wei et al, 2017(Wei et al, , 2016. Whether AWD-based irrigation could increase N uptake and NUE is still debatable.…”

Section: Physiological Mechanism Involved In Higher Grain Yield Andmentioning

confidence: 98%

See 1 more Smart Citation

The effect of alternate wetting and severe drying irrigation on grain yield and water use efficiency of Indica‐japonica hybrid rice (Oryza sativa L.)

Chu

Chen

Song

et al. 2018

Food and Energy Security

View full text Add to dashboard Cite

Identification of a rice cultivar with high yield potential has been heavily sought by researchers in China, and pursuant to this goal, several indica-japonica hybrid rice (IJHR) cultivars have been studied for over a decade. However, in addition to high yield, it is important that the cultivar also exhibit good water use efficiency (WUE).This study compared the yield performance and WUE of the IJHR cultivars under alternate wetting and severe drying (AWSD) irrigation regimen to the japonica in-

show abstract

Section: Agronomic and Physiological Traits For Indica-japonica Hybsupporting

confidence: 93%

Section: Physiological Mechanism Involved In Higher Grain Yield Andmentioning

confidence: 98%

The effect of alternate wetting and severe drying irrigation on grain yield and water use efficiency of Indica‐japonica hybrid rice (Oryza sativa L.)

Chu

Chen

Song

et al. 2018

Food and Energy Security

View full text Add to dashboard Cite

show abstract

“…Significantly higher yield potential has been found in japonica/indica hybrid rice than in inbred rice [22,23,29]. Likewise, in this study, Yongyou 12 and Yongyou 538 had a significant yield advantage over Xiushui 134 and Jia 58 for the five N treatments (Table 4), which mainly resulted from the heterosis and the longer total growth duration ( Table 2).…”

Section: Discussionsupporting

confidence: 63%

“…To obtain high grain yields, the appropriate proportion of dry matter accumulation at each growth stage was important, particularly in the middle and late growth stages [23]. In this study, dry matter of japonica/indica hybrid rice was higher than that of japonica rice among the five nitrogen application rates at each growth stage (Figures 3-5).…”

Section: Discussionmentioning

confidence: 60%

“…The Yongyou japonica/indica hybrid rice is highly heterotic and superior to japonica conventional rice in China, in terms of grain yield, biomass production, and nitrogen accumulation. However, this superiority was observed at a single N application rate (262.5 kg ha −1 ) [22,23]. Whether it also exists at a higher or lower N application rates under the same field conditions remains unclear.…”

Section: Introductionmentioning

confidence: 97%

See 1 more Smart Citation

Comparison of Agronomic Performance between Japonica/Indica Hybrid and Japonica Cultivars of Rice Based on Different Nitrogen Rates

et al. 2020

View full text Add to dashboard Cite

Previous studies have revealed that the japonica/indica hybrid rice has a higher yield potential, biomass production, and nitrogen (N) accumulation than japonica rice in China, however, at a single N application rate. It remains unclear whether it also occurs at a higher or lower N application rate under the same field condition. To investigate the effects of nitrogen application rates on grain yield, N uptake, dry matter accumulation, and agronomic N use efficiency, field experiments were conducted in Jinhua City, Zhejiang Province during three consecutive growth seasons in 2016, 2017, and 2018. Two japonica/indica hybrid varieties (Yongyou 12 and Yongyou 538) and two japonica varieties (Xiushui 134 and Jia 58) were exposed to five N application rates (0, 150, 225, 300, and 375 kg ha−1). The results showed that grain yields of all the varieties increased with increasing nitrogen application rates, except for Jia 58 whose optimum nitrogen level was 225 kg ha−1, because no significant difference was observed between N225 and N300. Across the four rice varieties, N uptake increased significantly with increased N-fertilizer rates at all the growth stages (p < 0.05). Across the three planting years, the average grain yield of japonica/indica hybrid rice was higher than that of japonica rice by 75.6% at N0, 57.2% at N150, 41.1% at N225, 38.3% at N300, and 45.8% at N375. We also found that as compared with japonica rice, the japonica/indica hybrid rice had more grain yield, higher dry matter, and higher N uptake at all growth stages, regardless of the N application rate.

show abstract

Agronomic and physiological characteristics of high‐yielding ratoon rice varieties

Zhang

Liu

et al. 2021

Agronomy Journal

View full text Add to dashboard Cite

To clarify the agronomic and physiological characteristics of high‐yielding ratoon rice varieties, 14 rice varieties representing two types (high yield in ratoon crop [RH] and low yield in ratoon crop [RL]) were used as experimental materials. Compared with RL, the grain/leaf ratio of RH at the full heading stage in the main crop was lower. Also, the leaf area duration, net assimilation rate (NAR), crop growth rate (CGR), dry matter weight, photosynthetic rate of flag leaf, and root oxidation activity from the full heading to maturity stage in the main crop were higher. The leaf area index (LAI) and dry matter weight at maturity in the main crop were higher in RH than RL, whereas the rates of LAI attenuation, dry matter translocation and dry matter translocation efficiency (DMTE) from full heading to maturity, and harvest index (HI) in the main crop were relatively lower. The CGR, NAR, dry matter weight from full heading to maturity, and dry matter weight and root oxidation activity at maturity in the main crop were significantly and positively correlated with the yield of the ratoon crop. The rate of LAI attenuation and DMTE from full heading to maturity, grain/leaf ratio at full heading, and HI in the main crop were significantly and negatively correlated with the yield of the ratoon crop. Rational utilization of these agronomic and physiological characteristics would be helpful to screening and breeding high‐yielding rice varieties for ratoon production.

show abstract

Different characteristics of high yield formation between inbred japonica super rice and inter-sub-specific hybrid super rice

Cited by 53 publications

References 33 publications

The effect of alternate wetting and severe drying irrigation on grain yield and water use efficiency of Indica‐japonica hybrid rice (Oryza sativa L.)

The effect of alternate wetting and severe drying irrigation on grain yield and water use efficiency of Indica‐japonica hybrid rice (Oryza sativa L.)

Comparison of Agronomic Performance between Japonica/Indica Hybrid and Japonica Cultivars of Rice Based on Different Nitrogen Rates

Agronomic and physiological characteristics of high‐yielding ratoon rice varieties

Contact Info

Product

Resources

About