The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.)
Abstract Castor bean (Ricinus communis L.) is a fibrous and fast‐growing plant with increasing economic importance due to its ability to generate energy and in the pharmaceutical and chemical industries. This research aimed to determine the best combination of irrigation regime and irrigation cutoff...
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Wiley
2025-03-01
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| Series: | Agrosystems, Geosciences & Environment |
| Online Access: | https://doi.org/10.1002/agg2.70033 |
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| author | Alberto Mario Arroyo Avilez Andres Felipe Gaona Acevedo Luan Brioschi Giovanelli João Carlos Cury Saad Ícaro Monteiro Galvão João Luis Zocoler Mauricio Dutra Zanotto |
| author_facet | Alberto Mario Arroyo Avilez Andres Felipe Gaona Acevedo Luan Brioschi Giovanelli João Carlos Cury Saad Ícaro Monteiro Galvão João Luis Zocoler Mauricio Dutra Zanotto |
| author_sort | Alberto Mario Arroyo Avilez |
| collection | DOAJ |
| description | Abstract Castor bean (Ricinus communis L.) is a fibrous and fast‐growing plant with increasing economic importance due to its ability to generate energy and in the pharmaceutical and chemical industries. This research aimed to determine the best combination of irrigation regime and irrigation cutoff date (ICD) that maximizes grain and oil yields and water use efficiency (WUE) in the castor bean hybrid AG IMA 110204. The experiments were conducted in greenhouses in randomized blocks using subdivided plots and four replicates. The plots were allocated to five irrigation regimes based on soil water tension: 20, 30, 40, 50, and 60 kPa, corresponding to I1, I2, I3, I4, and I5, respectively. The subplots show the four ICDs: 120, 130, 140, and 150 days after sowing (DAS). The I1, I2, and I3 treatments showed the highest values and did not differ in the two cycles for the following variables: weight of 100 grains, grain yield, oil yield, WUE of the grain (WUE‐grains), and WUE of the oil (WUE‐oil). When the irrigation cutoff was 120 DAS, in both cycles, the water regimes I1, I2, and I3 presented the highest values and did not differ in terms of grain or oil yields or WUE‐grains or WUE‐oil. Higher grain and oil yields with lower water demand for castor bean were obtained with the combination of 40 kPa soil water tension to define the time of irrigation and the irrigation cutoff at 120 DAS. |
| format | Article |
| id | doaj-art-0ba8a64e7c8e478c98fa7614de468624 |
| institution | Kabale University |
| issn | 2639-6696 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Wiley |
| record_format | Article |
| series | Agrosystems, Geosciences & Environment |
| spelling | doaj-art-0ba8a64e7c8e478c98fa7614de4686242025-08-20T03:40:54ZengWileyAgrosystems, Geosciences & Environment2639-66962025-03-0181n/an/a10.1002/agg2.70033The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.)Alberto Mario Arroyo Avilez0Andres Felipe Gaona Acevedo1Luan Brioschi Giovanelli2João Carlos Cury Saad3Ícaro Monteiro Galvão4João Luis Zocoler5Mauricio Dutra Zanotto6Colombian Sugar Cane Research Center (CENICAÑA)CaliColombiaDepartment of HorticultureSão Paulo State University (UNESP)São PauloBrazilInstitute of Science, Engineering and TechnologyFederal University of the Jequitinhonha and Mucuri Valleys (UFVJM)DiamantinaBrazilDepartment of Rural Engineering and Socioeconomy, School of Agronomical SciencesSão Paulo State University (UNESP)São PauloBrazilDepartment of Biosystem EngineeringLuiz de Queiroz College of Agriculture/University of São Paulo (USP)PiracicabaBrazilDepartment of Plant Protection, Rural Engineering and SoilSão Paulo State University (UNESP)São PauloBrazilDepartment of Vegetable Production and Breeding, School of Agronomical SciencesSão Paulo State University (UNESP)São PauloBrazilAbstract Castor bean (Ricinus communis L.) is a fibrous and fast‐growing plant with increasing economic importance due to its ability to generate energy and in the pharmaceutical and chemical industries. This research aimed to determine the best combination of irrigation regime and irrigation cutoff date (ICD) that maximizes grain and oil yields and water use efficiency (WUE) in the castor bean hybrid AG IMA 110204. The experiments were conducted in greenhouses in randomized blocks using subdivided plots and four replicates. The plots were allocated to five irrigation regimes based on soil water tension: 20, 30, 40, 50, and 60 kPa, corresponding to I1, I2, I3, I4, and I5, respectively. The subplots show the four ICDs: 120, 130, 140, and 150 days after sowing (DAS). The I1, I2, and I3 treatments showed the highest values and did not differ in the two cycles for the following variables: weight of 100 grains, grain yield, oil yield, WUE of the grain (WUE‐grains), and WUE of the oil (WUE‐oil). When the irrigation cutoff was 120 DAS, in both cycles, the water regimes I1, I2, and I3 presented the highest values and did not differ in terms of grain or oil yields or WUE‐grains or WUE‐oil. Higher grain and oil yields with lower water demand for castor bean were obtained with the combination of 40 kPa soil water tension to define the time of irrigation and the irrigation cutoff at 120 DAS.https://doi.org/10.1002/agg2.70033 |
| spellingShingle | Alberto Mario Arroyo Avilez Andres Felipe Gaona Acevedo Luan Brioschi Giovanelli João Carlos Cury Saad Ícaro Monteiro Galvão João Luis Zocoler Mauricio Dutra Zanotto The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.) Agrosystems, Geosciences & Environment |
| title | The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.) |
| title_full | The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.) |
| title_fullStr | The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.) |
| title_full_unstemmed | The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.) |
| title_short | The combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean (Ricinus communis L.) |
| title_sort | combination of irrigation regime and water cutoff date increases the yield and water use efficiency of castor bean ricinus communis l |
| url | https://doi.org/10.1002/agg2.70033 |
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