Rice Regeneration in a Genebank: 21 Years of Data

被引:0
|
作者
Sansoni, Francesca [1 ]
Sena, Lorenzo [1 ,2 ]
Pozzi, Virginia [1 ]
Canella, Marco [1 ]
Vaccino, Patrizia [1 ]
机构
[1] Council Agr Res & Econ, Res Ctr Cereal & Ind Crops CREA CI, Str Statale 11 Torino km 2, 5, I-13100 Vercelli, Italy
[2] Univ Modena & Reggio Emilia, Dept Life Sci, I-42122 Reggio Emilia, Italy
来源
AGRONOMY-BASEL | 2024年 / 14卷 / 07期
关键词
Oryza sativa; rice; genebank; historical data; R language; ARCHITECTURE; NETWORK;
D O I
10.3390/agronomy14071379
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Genebanks, other than their pivotal role as diversity conservation repositories, regenerate part of their collection every year to maintain their material in optimal conditions. During regeneration cycles, morpho-physiological data are collected, contributing to the creation of large datasets that offer a valuable resource of information. In Italy, rice cultivation has been documented since the second half of the 15th century, and nowadays, Italy contributes more than 50% of the total European rice production. The ex situ collection of rice (mainly Oryza sativa L. subgroup japonica) held at the Research Center for Cereal and Industrial Crops (CREA-CI) of Vercelli is quite unique in Italy and its establishment dates back to the beginning of the 20th century. The collection is hereby presented through the analysis of 21 years of historic data, from 2001 to 2022, in 17 different locations in Northern Italy, for a total of 6592 entries, 677 genotypes analyzed and 9 phenotypic traits under investigation. An R script has been developed to analyze the dataset. The BLUEs calculation, heritability, PCA and correlation with weather data provided a comprehensive overview of the germplasm stored in the genebank. The great variability and phenotypic diversity were assessed, key aspects from the perspective of breeding programs. This work starts a re-evaluation of historic data, historic cultivars, and represents the first step toward the shift of the genebank to a bio-digital resource center.
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页数:15
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