Masahumi Johkan

Blue Light-emitting Diode Light Irradiation of Seedlings Improves Seedling Quality and Growth after Transplanting in Red Leaf Lettuce

Masahumi Johkan, Kazuhiro Shoji, Fumiyuki Goto et al. · HortScience · 2010 · 630 citations · Full text

Agriculture, Agronomy, Plant Sciences +14

Effect of green light wavelength and intensity on photomorphogenesis and photosynthesis in Lactuca sativa

Masahumi Johkan, K. Shoji, Fumiyuki Goto et al. · Environmental and Experimental Botany · 2011 · 377 citations

Life Sciences, Plant Biology, Plant Sciences +14

Effects of Supplemental Lighting with Light-Emitting Diodes (LEDs) on Tomato Yield and Quality of Single-Truss Tomato Plants Grown at High Planting Density

Na Lü, Toru Maruo, Masahumi Johkan et al. · Environment Control in Biology · 2012 · 110 citations · Full text

Agriculture, Agronomy, Crop Sciences +15

A correlation analysis on chlorophyll content and SPAD value in tomato leaves

Chengyao Jiang, Masahumi Johkan, Masaaki Hohjo et al. · Institutional Repositories DataBase (IRDB) · 2017 · 104 citations · Full text

Life Sciences, Plant Biology, Plant Sciences +12

Photosynthesis, plant growth, and fruit production of single-truss tomato improves with supplemental lighting provided from underneath or within the inner canopy

Chengyao Jiang, Masahumi Johkan, Masaaki Hohjo et al. · Scientia Horticulturae · 2017 · 72 citations

Agriculture, Plant Biology, Plant Sciences +17