Research on Hybrid Crop Breeding Information Management System Based on Combining Ability Analysis

Abstract

Combining ability analysis can be used to preliminarily identify the advantages and disadvantages of combinations and parents in earlier generations, enabling breeders to reduce the range of material, save breeding time, and improve breeding efficiency. An approach for combining ability analysis through the hybrid crop breeding information management system is presented. The general combining ability prediction effect of parents and the specific combining ability prediction effect of combinations are calculated to analyze hybrid combinations using the hybrid crop breeding information management system. The results provide the basis for parent selection and combination selection. The plant breeding trial management function of the system can provide convenient diallel crossing trial design, field planting plan, and combining ability analysis. In the system, the genealogy of breeding materials is traced with the combining ability test crosses. The selection of high-generation breeding materials can be performed in accordance with the combining ability test results of early generation materials. The system has been successfully applied to a large Chinese seed company. The combining ability test function automates data analysis and eliminates days in the decision-making process. The efficiency of the combining ability test analysis and test report generation has improved to more than double by using the system.

Genetic analysis of yield traits in Egyptian cotton crosses (Gossypium barbdense L.) under normal conditions

“…In this investigation, positive and negative GCA effects were exhibited for different genotypes of both female parental lines and testers, indicating possessing of promising good combiner and poor combiner in term of specific traits. Female parental genotypes with strong capacity to impart desired traits to their cross offspring could be used as a significant material to improve the qualities of interest, as these genotypes have good general combining ability [ 9 , 67 , 68 ]. The significant GCA effects revealed in this study were consistent with previous investigations [ 24 , 47 , 69 – 72 ].…”

Pendugaan Pengaruh Tetua Betina dan Daya Gabung pada Persilangan Kopi Robusta

“…Informasi tersebut memberikan gambaran tentang tingkat kontribusi masing-masing individu persilangan dalam mengembangkan keturunan hibrida. Analisis daya gabung juga dapat menghemat waktu pemuliaan dan meningkatkan efisiensi program pemuliaan (Han et al 2020). Daya gabung umum (DGU) merupakan nilai rerata dari penampilan tetua jantan dan betina yang diperkirakan dari keragaan keturunan hibrida ketika disilangkan antara satu dengan yang lain (Ali et al 2015), sedangkan daya gabung khusus (DGK) digunakan untuk menentukan kombinasi persilangan harapan dalam perbaikan kultivar (Budiyanti et al 2017;Bassuony dan Zsembeli 2020).…”

“…Tetua dengan nilai DGU tinggi dan positif merupakan penggabung terbaik apabila disilangkan dengan tetua yang lain (Budiyanti et al 2017; Bassuony dan Zsembeli 2020) dan berpotensi untuk menghasilkan keturunan hibrida yang vigor (Ayano et al 2015). Selain itu, tetua dengan nilai DGU tinggi juga mempunyai intensitas penurunan sifat ke anak lebih besar (Fasahat et al 2016), dapat dikembangkan menjadi varietas galur murni (inbreed line) (Han et al 2020) dan biasanya dijadikan sebagai pedoman seleksi untuk tetua betina (Gowda et al 2012).…”

ANAIS DO VIII SIMPÓSIO DO PAPAYA BRASILEIRO - Papaya Brasil: Produção e Sustentabildade

“…Com o sucesso da conversão sexual do genótipo Cariflora a parceria UENF-CALIMAN produziu bons resultados, e conta com um total de oito híbridos derivados da conversão sexual, dentre 21 híbridos registrados pela UENF junto ao Ministério da Agricultura, Pecuária e Abastecimento (MAPA) e que são cultivados em diferentes regiões produtoras em todo o Brasil. Neste sentido, a hibridação é um método importante de melhoramento das culturas (HAN et al, 2020). A prática do melhoramento indica que o desempenho dos pais per se não é consistente com o desempenho do híbrido.…”