Effects of light quality on pod elongation in soybean (Glycine max (L.) Merr.) and cowpea (Vigna unguiculata (L.) Walp.)

Seiya Tanaka, Nobuyuki Ario, Andressa Camila Seiko Nakagawa, Yuki Tomita, Naoki Murayama, Takatoshi Taniguchi, Norimitsu Hamaoka, Mari Iwaya-Inoue, Yushi Ishibashi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Soybean pods are located at the nodes, where they are in the shadow, whereas cowpea pods are located outside of the leaves and are exposed to sunlight. To compare the effects of light quality on pod growth in soybean and cowpea, we measured the length of pods treated with white, blue, red or far-red light. In both species, pods elongated faster during the dark period than during the light period in all light treatments except red light treatment in cowpea. Red light significantly suppressed pod elongation in soybean during the dark and light periods. On the other hand, the elongation of cowpea pods treated with red light markedly promoted during the light period. These results suggested that the difference in the pod set sites between soybean and cowpea might account for the difference in their red light responses for pod growth.

Original languageEnglish
Article numbere1327495
JournalPlant Signaling and Behavior
Volume12
Issue number6
DOIs
Publication statusPublished - Jun 3 2017

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light quality
Vigna unguiculata
cowpeas
pods
Glycine max
soybeans
red light
photophase
scotophase
far-red light
solar radiation

All Science Journal Classification (ASJC) codes

  • Plant Science

Cite this

Effects of light quality on pod elongation in soybean (Glycine max (L.) Merr.) and cowpea (Vigna unguiculata (L.) Walp.). / Tanaka, Seiya; Ario, Nobuyuki; Nakagawa, Andressa Camila Seiko; Tomita, Yuki; Murayama, Naoki; Taniguchi, Takatoshi; Hamaoka, Norimitsu; Iwaya-Inoue, Mari; Ishibashi, Yushi.

In: Plant Signaling and Behavior, Vol. 12, No. 6, e1327495, 03.06.2017.

Research output: Contribution to journalArticle

Tanaka, Seiya ; Ario, Nobuyuki ; Nakagawa, Andressa Camila Seiko ; Tomita, Yuki ; Murayama, Naoki ; Taniguchi, Takatoshi ; Hamaoka, Norimitsu ; Iwaya-Inoue, Mari ; Ishibashi, Yushi. / Effects of light quality on pod elongation in soybean (Glycine max (L.) Merr.) and cowpea (Vigna unguiculata (L.) Walp.). In: Plant Signaling and Behavior. 2017 ; Vol. 12, No. 6.
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AU - Murayama, Naoki

AU - Taniguchi, Takatoshi

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