Ecophysiological Analysis on Effect of Planting Pattern on Biomass Production and Grain Yield in Rice
スポンサーリンク
概要
- 論文の詳細を見る
Increasing the biomass productivity of rice is a critical research target for improving the yield potential. This paper reviews ecophysiological studies on biomass production as affected by agronomic techniques and cultivars. In addition, we examined the effects of the planting pattern on the biomass production using cv. Takanari, a high-yielding and lodging resistant cultivar. The results showed that greater biomass production and grain yield were observed in plants with the combination of one plant per hill, high hill density and square hill arrangement. The factors responsible for high biomass production in this combination are; (1) vigorous tiller increase at the tillering stage resulting in higher capture of solar radiation, (2) erect leaves in the canopy after the panicle formation stage resulting in an improved light-intercepting character or smaller extinction coefficient, and (3) larger nitrogen accumulation during the ripening period resulting in a smaller decline of photosynthesis as well as a smaller midday and afternoon depression of photosynthesis possibly related to the larger water uptake ability of roots owing to better root-system development. Our results implied that an improvement in biomass production and yield is possible by optimizing the planting pattern and nitrogen management using high-yielding and lodging resistant cultivars in transplanted and direct-sown rice.
- 独立行政法人 国際農林水産業研究センターの論文
著者
-
Kondo Motohiko
Rice Physiology Research Team National Institute Of Crop Science
-
Hirasawa Tadashi
Graduate School Of Agriculture Tokyo University Of Agriculture And Technology
-
Ookawa Taiichiro
Graduate School Of Agriculture Tokyo University Of Agriculture And Technology
-
SAN-OH Yumiko
Rice Physiology Research Team, National Institute of Crop Science
関連論文
- Effects of Soil Temperature on Growth and Root Function in Rice
- Effects of Soil Moisture Conditions before Heading on Growth of Wheat Plants under Drought Conditions in the Ripening Stage : Insufficient Soil Moisture Conditions before Heading Render Wheat Plants More Resistant to Drought during Ripening(Crop Physiolog
- Effects of Planting Pattern on the Interception of Solar Radiation by the Canopy and the Light Extinction Coefficient of the Canopy in Rice Plants Direct-sown in a Submerged Paddy Field(Agronomy)
- Characterization of Starch Granules in Rice Culms for Application of Rice Straw as a Feedstock for Saccharification
- Efficient Recovery of Glucose and Fructose via Enzymatic Saccharification of Rice Straw with Soft Carbohydrates
- Effects of Soil Moisture Depletion for One Month before Flowering on Dry Matter Production and Ecophysiological Characteristics of Wheat Plants in Wet Soil during Grain Filling
- Analysis of the Factors Causing Differences in the Leaf-Senescence Pattern between Two Soybean Cultivars, Enrei and Tachinagaha : Comparison of root length and exudation rate among grafted plants
- Differences in Leaf Senescence among Reciprocally Grafted Plants of Two Soybean Cultivars, Enrei and Tachinagaha
- Performance of a High-Yielding Modern Rice Cultivar Takanari and Several Old and New Cultivars Grown with and without Chemical Fertilizer in a Submerged Paddy Field
- A Wilty Mutant of Rice has Impaired Hydraulic Conductance
- Hydraulic Conductivity and Aquaporins of Cortical Cells in Gravitropically Bending Roots of Pisum sativum L.(Crop Physiology and Ecology)
- Interaction of Scion and Stock on Leaf Senescence of Soybean Plants Grafted at Mid-Stem during Ripening(Crop Physiology and Ecology)
- Water Uptake and Hydraulic Properties of Elongating Cells in Hydrotropically Bending Roots of Pisum sativum L.
- HYDRAULIC CONDUCTIVITY IN ELONGATING CELLS OF THE HYDROTROPICALLY BENDING ROOTS OF PEA (Pisum sativum L. )
- Responses of Root Growth to Moderate Soil Water Deficit in Wheat Seedlings
- Genotypic Variations in Non-Structural Carbohydrate and Cell-Wall Components of the Stem in Rice, Sorghum, and Sugar Vane
- QTL Analysis of Leaf Photosynthesis in Rice
- Ecophysiological Analysis on Effect of Planting Pattern on Biomass Production and Grain Yield in Rice