Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean

Chengyu Song; Guanglong Zhu; Xiurong Jiao; Guisheng Zhou

doi:doi:10.11648/j.ajbes.20180403.11

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Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean

Chengyu Song, Guanglong Zhu, Xiurong Jiao, Guisheng Zhou

Published in American Journal of Biological and Environmental Statistics (Volume 4, Issue 3)

Received: 20 August 2018 Accepted: 14 September 2018 Published: 17 October 2018

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Abstract

Castor bean (Ricinus communis L.) as a bioenergy crop, received more and more attention in recent years. However, the yield of castor bean seeds is affected by adverse environmental conditions. The objective of this study was to assess the effects of exogenous application of Paclobutrazol (PBZ) on castor bean growth, yield and physiology as well as on its response to environmental stress during grain filling. In the present field study, three PBZ concentrations [0 g•ha-1 (control), 75 g•ha-1 and 150 g•ha-1] were applied twice, once at grain filling of main panicle and once at grain filling of branched panicle. The growth and physiological responses of castor bean were measured four times throughout flowering and seed formation stages [1-early initiation stage of main inflorescence (E), 2- anthesis of main inflorescence (A), 3-maturity of main panicle (M) and 4-maturity of branched panicle (B)]. Plant growth was not affected by the application of PBZ, but leaves remained later on the plant when 75 g•ha-1 of PBZ was applied. With the application of PBZ, the concentration of starch was higher in panicles than in leaves and stems. Also, PBZ application increased the number of seeds per plant without affecting seed size and weight. These results suggest that exogenous application of PBZ can enhance sink strength of panicles and improve seed yield and that application of PBZ at flower initiation can alter photosynthetic partitioning in favor to seed production. On the other hand, PBZ had no effect on antioxidant enzyme activity in the seeds in response to stress.

Published in	American Journal of Biological and Environmental Statistics (Volume 4, Issue 3)
DOI	10.11648/j.ajbes.20180403.11
Page(s)	83-90
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Castor Bean, Paclobutrazol, Grain Filling, Dry Matter Accumulation

References

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APA Style

Chengyu Song, Guanglong Zhu, Xiurong Jiao, Guisheng Zhou. (2018). Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean. American Journal of Biological and Environmental Statistics, 4(3), 83-90. https://doi.org/10.11648/j.ajbes.20180403.11

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ACS Style

Chengyu Song; Guanglong Zhu; Xiurong Jiao; Guisheng Zhou. Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean. Am. J. Biol. Environ. Stat. 2018, 4(3), 83-90. doi: 10.11648/j.ajbes.20180403.11

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AMA Style

Chengyu Song, Guanglong Zhu, Xiurong Jiao, Guisheng Zhou. Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean. Am J Biol Environ Stat. 2018;4(3):83-90. doi: 10.11648/j.ajbes.20180403.11

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@article{10.11648/j.ajbes.20180403.11,
  author = {Chengyu Song and Guanglong Zhu and Xiurong Jiao and Guisheng Zhou},
  title = {Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean},
  journal = {American Journal of Biological and Environmental Statistics},
  volume = {4},
  number = {3},
  pages = {83-90},
  doi = {10.11648/j.ajbes.20180403.11},
  url = {https://doi.org/10.11648/j.ajbes.20180403.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbes.20180403.11},
  abstract = {Castor bean (Ricinus communis L.) as a bioenergy crop, received more and more attention in recent years. However, the yield of castor bean seeds is affected by adverse environmental conditions. The objective of this study was to assess the effects of exogenous application of Paclobutrazol (PBZ) on castor bean growth, yield and physiology as well as on its response to environmental stress during grain filling. In the present field study, three PBZ concentrations [0 g•ha-1 (control), 75 g•ha-1 and 150 g•ha-1] were applied twice, once at grain filling of main panicle and once at grain filling of branched panicle. The growth and physiological responses of castor bean were measured four times throughout flowering and seed formation stages [1-early initiation stage of main inflorescence (E), 2- anthesis of main inflorescence (A), 3-maturity of main panicle (M) and 4-maturity of branched panicle (B)]. Plant growth was not affected by the application of PBZ, but leaves remained later on the plant when 75 g•ha-1 of PBZ was applied. With the application of PBZ, the concentration of starch was higher in panicles than in leaves and stems. Also, PBZ application increased the number of seeds per plant without affecting seed size and weight. These results suggest that exogenous application of PBZ can enhance sink strength of panicles and improve seed yield and that application of PBZ at flower initiation can alter photosynthetic partitioning in favor to seed production. On the other hand, PBZ had no effect on antioxidant enzyme activity in the seeds in response to stress.},
 year = {2018}
}

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TY  - JOUR
T1  - Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean
AU  - Chengyu Song
AU  - Guanglong Zhu
AU  - Xiurong Jiao
AU  - Guisheng Zhou
Y1  - 2018/10/17
PY  - 2018
N1  - https://doi.org/10.11648/j.ajbes.20180403.11
DO  - 10.11648/j.ajbes.20180403.11
T2  - American Journal of Biological and Environmental Statistics
JF  - American Journal of Biological and Environmental Statistics
JO  - American Journal of Biological and Environmental Statistics
SP  - 83
EP  - 90
PB  - Science Publishing Group
SN  - 2471-979X
UR  - https://doi.org/10.11648/j.ajbes.20180403.11
AB  - Castor bean (Ricinus communis L.) as a bioenergy crop, received more and more attention in recent years. However, the yield of castor bean seeds is affected by adverse environmental conditions. The objective of this study was to assess the effects of exogenous application of Paclobutrazol (PBZ) on castor bean growth, yield and physiology as well as on its response to environmental stress during grain filling. In the present field study, three PBZ concentrations [0 g•ha-1 (control), 75 g•ha-1 and 150 g•ha-1] were applied twice, once at grain filling of main panicle and once at grain filling of branched panicle. The growth and physiological responses of castor bean were measured four times throughout flowering and seed formation stages [1-early initiation stage of main inflorescence (E), 2- anthesis of main inflorescence (A), 3-maturity of main panicle (M) and 4-maturity of branched panicle (B)]. Plant growth was not affected by the application of PBZ, but leaves remained later on the plant when 75 g•ha-1 of PBZ was applied. With the application of PBZ, the concentration of starch was higher in panicles than in leaves and stems. Also, PBZ application increased the number of seeds per plant without affecting seed size and weight. These results suggest that exogenous application of PBZ can enhance sink strength of panicles and improve seed yield and that application of PBZ at flower initiation can alter photosynthetic partitioning in favor to seed production. On the other hand, PBZ had no effect on antioxidant enzyme activity in the seeds in response to stress.
VL  - 4
IS  - 3
ER  -

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Author Information

Chengyu Song

Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
Guanglong Zhu

Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
Xiurong Jiao

Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
Guisheng Zhou

Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China

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APA Style

Chengyu Song, Guanglong Zhu, Xiurong Jiao, Guisheng Zhou. (2018). Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean. American Journal of Biological and Environmental Statistics, 4(3), 83-90. https://doi.org/10.11648/j.ajbes.20180403.11

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ACS Style

Chengyu Song; Guanglong Zhu; Xiurong Jiao; Guisheng Zhou. Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean. Am. J. Biol. Environ. Stat. 2018, 4(3), 83-90. doi: 10.11648/j.ajbes.20180403.11

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AMA Style

Chengyu Song, Guanglong Zhu, Xiurong Jiao, Guisheng Zhou. Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean. Am J Biol Environ Stat. 2018;4(3):83-90. doi: 10.11648/j.ajbes.20180403.11

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@article{10.11648/j.ajbes.20180403.11,
  author = {Chengyu Song and Guanglong Zhu and Xiurong Jiao and Guisheng Zhou},
  title = {Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean},
  journal = {American Journal of Biological and Environmental Statistics},
  volume = {4},
  number = {3},
  pages = {83-90},
  doi = {10.11648/j.ajbes.20180403.11},
  url = {https://doi.org/10.11648/j.ajbes.20180403.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbes.20180403.11},
  abstract = {Castor bean (Ricinus communis L.) as a bioenergy crop, received more and more attention in recent years. However, the yield of castor bean seeds is affected by adverse environmental conditions. The objective of this study was to assess the effects of exogenous application of Paclobutrazol (PBZ) on castor bean growth, yield and physiology as well as on its response to environmental stress during grain filling. In the present field study, three PBZ concentrations [0 g•ha-1 (control), 75 g•ha-1 and 150 g•ha-1] were applied twice, once at grain filling of main panicle and once at grain filling of branched panicle. The growth and physiological responses of castor bean were measured four times throughout flowering and seed formation stages [1-early initiation stage of main inflorescence (E), 2- anthesis of main inflorescence (A), 3-maturity of main panicle (M) and 4-maturity of branched panicle (B)]. Plant growth was not affected by the application of PBZ, but leaves remained later on the plant when 75 g•ha-1 of PBZ was applied. With the application of PBZ, the concentration of starch was higher in panicles than in leaves and stems. Also, PBZ application increased the number of seeds per plant without affecting seed size and weight. These results suggest that exogenous application of PBZ can enhance sink strength of panicles and improve seed yield and that application of PBZ at flower initiation can alter photosynthetic partitioning in favor to seed production. On the other hand, PBZ had no effect on antioxidant enzyme activity in the seeds in response to stress.},
 year = {2018}
}

Copy | Download

TY  - JOUR
T1  - Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean
AU  - Chengyu Song
AU  - Guanglong Zhu
AU  - Xiurong Jiao
AU  - Guisheng Zhou
Y1  - 2018/10/17
PY  - 2018
N1  - https://doi.org/10.11648/j.ajbes.20180403.11
DO  - 10.11648/j.ajbes.20180403.11
T2  - American Journal of Biological and Environmental Statistics
JF  - American Journal of Biological and Environmental Statistics
JO  - American Journal of Biological and Environmental Statistics
SP  - 83
EP  - 90
PB  - Science Publishing Group
SN  - 2471-979X
UR  - https://doi.org/10.11648/j.ajbes.20180403.11
AB  - Castor bean (Ricinus communis L.) as a bioenergy crop, received more and more attention in recent years. However, the yield of castor bean seeds is affected by adverse environmental conditions. The objective of this study was to assess the effects of exogenous application of Paclobutrazol (PBZ) on castor bean growth, yield and physiology as well as on its response to environmental stress during grain filling. In the present field study, three PBZ concentrations [0 g•ha-1 (control), 75 g•ha-1 and 150 g•ha-1] were applied twice, once at grain filling of main panicle and once at grain filling of branched panicle. The growth and physiological responses of castor bean were measured four times throughout flowering and seed formation stages [1-early initiation stage of main inflorescence (E), 2- anthesis of main inflorescence (A), 3-maturity of main panicle (M) and 4-maturity of branched panicle (B)]. Plant growth was not affected by the application of PBZ, but leaves remained later on the plant when 75 g•ha-1 of PBZ was applied. With the application of PBZ, the concentration of starch was higher in panicles than in leaves and stems. Also, PBZ application increased the number of seeds per plant without affecting seed size and weight. These results suggest that exogenous application of PBZ can enhance sink strength of panicles and improve seed yield and that application of PBZ at flower initiation can alter photosynthetic partitioning in favor to seed production. On the other hand, PBZ had no effect on antioxidant enzyme activity in the seeds in response to stress.
VL  - 4
IS  - 3
ER  -

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