Ovule number as a rising star for regulating seed yield: Hope or hype

doi:10.1016/j.jia.2024.02.013

Journal of Integrative Agriculture ›› 2024, Vol. 23 ›› Issue (11): 3623-3640.DOI: 10.1016/j.jia.2024.02.013

收稿日期:2023-09-01 接受日期:2023-12-29 出版日期:2024-11-20 发布日期:2024-10-09

Ovule number as a rising star for regulating seed yield: Hope or hype

Shahid Ullah Khan^{1, 2, 3*}, Ahmad Ali^4*, Sumbul Saeed⁵, Yonghai Fan^{1, 2}, Ali Shehazd^{1, 2}, Hameed Gul⁶, Shah Fahad^{7, 8#}, Kun Lu^{1, 2#}

¹Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City and Southwest University, College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
² Engineering Research Center of South Upland Agriculture, Ministry of Education, Chongqing 400715, China
³ Women Medical and Dental College, Khyber Medical University, Peshawar, KPK 22020, Pakistan
⁴ National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
⁵ School of Environment and Science, Griffith University, Nathan QLD 4111, Australia
⁶College of Agronomy and Biotechnology, Southwest University, Chongqing 400715, China
⁷Department of Agronomy, Abdul Wali Khan University Mardan, Khyber Pakhtunkhwa 23200, Pakistan
⁸ Department of Natural Sciences, Lebanese American University, Byblos, Lebanon

Received:2023-09-01 Accepted:2023-12-29 Online:2024-11-20 Published:2024-10-09
About author:#Correspondence Kun Lu, E-mail: drlukun@swu.edu.cn; Shah Fahad, E-mail: shahfahad@awkum.edu.pk * These authors contributed equally to this study.
Supported by:
This work was supported by the National Key Research and Development Program of China (2022YFD1200400), the National Natural Science Foundation of China (32272111), the Special fund for youth team of the Southwest Universities, China (SWU-XJPY202306), the Chongqing Natural Science Foundation, China (CSTB2024NSCQ-LZX0012), the Chongqing Modern Agricultural Industry Technology System, China (COMAITS202304), the Chongqing Germplasm Resource Bank, China (ZWZZ2020004), and the Germplasm Creation Special Program of Southwest University, China.

摘要/Abstract

Abstract:

Rapeseed (Brassica napus L.) is the second most widely grown premium oilseed crop globally, mainly for its vegetable oil and protein meal. One of the main goals of breeders is producing high-yield rapeseed cultivars with sustainable production to meet the requirements of the fast-growing population. Besides the pod number, seeds per silique (SS), and thousand-seed weight (TSW), the ovule number (ON) is a decisive yield determining factor of individual plants and the final seed yield. In recent years, tremendous efforts have been made to dissect the genetic and molecular basis of these complex traits, but relatively few genes or loci controlling these traits have been reported thus far. This review highlights the updated information on the hormonal and molecular basis of ON and development in model plants (Arabidopsis thaliana). It also presents what is known about the hormonal, molecular, and genetic mechanism of ovule development and number, and bridges our understanding between the model plant species (A. thaliana) and cultivated species (B. napus). This report will open new pathways for primary and applied research in plant biology and benefit rapeseed breeding programs. This synopsis will stimulate research interest to further understand ovule number determination, its role in yield improvement, and its possible utilization in breeding programs.

Key words: Brassica napus , ovule number , genetics , ovule development , hormonal signaling

Shahid Ullah Khan, Ahmad Ali, Sumbul Saeed, Yonghai Fan, Ali Shehazd, Hameed Gul, Shah Fahad, Kun Lu. [J]. Journal of Integrative Agriculture, 2024, 23(11): 3623-3640.

Shahid Ullah Khan, Ahmad Ali, Sumbul Saeed, Yonghai Fan, Ali Shehazd, Hameed Gul, Shah Fahad, Kun Lu. Ovule number as a rising star for regulating seed yield: Hope or hype[J]. Journal of Integrative Agriculture, 2024, 23(11): 3623-3640.

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Ovule number as a rising star for regulating seed yield: Hope or hype

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