Tadashi Hirasawa

Tadashi Hirasawa publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Tadashi Hirasawa sits on this spectrum.

Tadashi Hirasawa D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Tadashi Hirasawa sits on this spectrum.

Best Publications

• New approach for rice improvement using a pleiotropic QTL gene for lodging resistance and yield

  Taiichiro Ookawa;Tokunori Hobo;Masahiro Yano;Kazumasa Murata

  389
  Citations

• Hydraulic conductivity of rice roots

  Naoko Miyamoto;Ernst Steudle;Tadashi Hirasawa;Renee Lafitte

  312
  Citations

• A natural variant of NAL1, selected in high-yield rice breeding programs, pleiotropically increases photosynthesis rate

  Toshiyuki Takai;Shunsuke Adachi;Shunsuke Adachi;Fumio Taguchi-Shiobara;Yumiko Sanoh-Arai

  239
  Citations

• Some characteristics of reduced leaf photosynthesis at midday in maize growing in the field

  Unknown

  158
  Citations

• Isolation of a Novel Lodging Resistance QTL Gene Involved in Strigolactone Signaling and Its Pyramiding with a QTL Gene Involved in Another Mechanism

  Kenji Yano;Taiichiro Ookawa;Koichiro Aya;Yusuke Ochiai

  153
  Citations

• Comparison of dry matter production and associated characteristics between direct-sown and transplanted rice plants in a submerged paddy field and relationships to planting patterns.

  Y San-oh;Y Mano;T Ookawa;T Hirasawa

  149
  Citations

• The effects of irrigation regimes on the water use, dry matter production and physiological responses of paddy rice

  Jun Lu;Taiichiro Ookawa;Tadashi Hirasawa

  142
  Citations

• Hydraulic conductance as well as nitrogen accumulation plays a role in the higher rate of leaf photosynthesis of the most productive variety of rice in Japan

  Renante D. Taylaran;Shunsuke Adachi;Taiichiro Ookawa;Hideaki Usuda

  111
  Citations

• The effect of planting pattern on the rate of photosynthesis and related processes during ripening in rice plants

  Yumiko San-oh;Tamizi Sugiyama;Daisaku Yoshita;Taiichiro Ookawa

  110
  Citations

• Increased lodging resistance in long-culm, low-lignin gh2 rice for improved feed and bioenergy production

  Taiichiro Ookawa;Kazuya Inoue;Makoto Matsuoka;Takeshi Ebitani

  107
  Citations

• The mesophyll anatomy enhancing CO2 diffusion is a key trait for improving rice photosynthesis

  Shunsuke Adachi;Toru Nakae;Masaki Uchida;Kazuya Soda

  105
  Citations

• Biomass Production and Lodging Resistance in ‘Leaf Star’, a New Long-Culm Rice Forage Cultivar

  Taiichiro Ookawa;Kenichi Yasuda;Hiroshi Kato;Makoto Sakai

  104
  Citations

• Cytokinin Effects on Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase and Nitrogen Partitioning in Rice during Ripening

  Taiichiro Ookawa;Yukiko Naruoka;Ayumi Sayama;Tadashi Hirasawa

  102
  Citations

• Proteomic Analysis of Embryonic Proteins Synthesized from Long-Lived mRNAs During Germination of Rice Seeds

  Unknown

  95
  Citations

• Varietal Differences in Photosynthetic Rates in Rice Plants, with Special Reference to the Nitrogen Content of Leaves

  Tadashi Hirasawa;Satomi Ozawa;Renante D. Taylaran;Taiichiro Ookawa

  79
  Citations

• Effects of pre-flowering soil moisture deficits on dry matter production and ecophysiological characteristics in soybean plants under drought conditions during grain filling

  Tadashi Hirasawa;Kazuo Tanaka;Daisuke Miyamoto;Masahide Takei

  79
  Citations

• Physiological and Ecological Characteristics of High Yielding Varieties in Rice Plants : II. Leaf Photosynthetic rates

  Cai-Zhong Jiang;Tadashi Hirasawa;Kuni Ishihara

  78
  Citations

• 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

  Renante D. Taylaran;Satomi Ozawa;Naoko Miyamoto;Taiichiro Ookawa

  75
  Citations

• Fine Mapping of Carbon Assimilation Rate 8, a Quantitative Trait Locus for Flag Leaf Nitrogen Content, Stomatal Conductance and Photosynthesis in Rice.

  Shunsuke Adachi;Kazuaki Yoshikawa;Utako Yamanouchi;Takanari Tanabata

  72
  Citations

• Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice

  Taiichiro Ookawa;Ryo Aoba;Toshio Yamamoto;Tadamasa Ueda

  69
  Citations