Compulsory winding in the opposite direction of climbing plants promotes yield.
The stem of kidney bean plant (Phaseolus vulgaris L., cv. Kentucky 101), a typical dextrorse climbing plant, was subjected to compulsorily sinistrorse-winding. The compulsory sinistrorse-winding induced changes in physiological activities. The number of pods with immature seeds (used as vegetable) was doubled and the fresh weight of the pods also significantly increased by sinistrorse-winding. Compulsory sinistrorse-winding increased chlorophyll content, photosynthetic rate, respiration, nodule formation, N(2)-fixation, glutamine synthetase [L-glutamate: ammonia ligase (ADP-forming); E.C. 6.3.1.2] activity and protein content. Thus, it seems to affect the basic physiological processes that promote physiological activities though the action mechanism is unknown.
Kodama
Yoshiaki
Y
Division of Informatics for Natural Sciences, Graduate School of Human Informatics, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan.
Tezuka
Takafumi
T
D018533:Biomass; D002245:Carbon Dioxide / Q000378:metabolism; D002734:Chlorophyll / Q000096:biosynthesis; D005974:Glutamate-Ammonia Ligase / Q000378:metabolism; D009586:Nitrogen Fixation; D009591:Nitrogenase / Q000378:metabolism; D027805:Phaseolus / Q000254:growth & development / Q000382:microbiology / Q000502:physiology*; D010788:Photosynthesis; D018515:Plant Leaves / Q000254:growth & development / Q000378:metabolism; D010940:Plant Proteins / Q000096:biosynthesis; D018517:Plant Roots / Q000254:growth & development / Q000382:microbiology; D018547:Plant Stems / Q000254:growth & development; D012639:Seeds / Q000254:growth & development
D010940:Plant Proteins; D002734:Chlorophyll; D002245:Carbon Dioxide; D009591:Nitrogenase; D005974:Glutamate-Ammonia Ligase