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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 681720 | 'Bella' | Phaseolus vulgaris L. | Puerto Rico, United States | W6 | | Not Available | 2017 | DEVELOPED | | | | | | Cultivar | ''Bella' is a multiple disease resistant white bean (Phaseolus vulgaris L.) cultivar, adapted to the humid tropics that was developed and released cooperatively by the University of Puerto Rico Agricultural Experiment Station and the USDA-ARS. ‘Bella’, tested as breeding line PR1217-16, combines resistance to Bean common mosaic virus (BCMV), Bean common mosaic necrotic virus (BCMNV), Bean golden yellow mosaic virus (BGYMV), common bacterial blight caused by Xanthomonas axonopodis pv. phaseoli and web blight caused by [Rhizoctonia solani J. G. Kühn (syn. Thanatephorus cucumeris (A. B. Frank) Donk.)]. The line also tolerates high temperatures and performs well in soils with low fertility. PR1217-16 was developed by pedigree selection to the F7 generation based on superior agronomic traits and commercial seed type. Marker- assisted selection was used to identify the presence of the bgm-1 gene and the SW12 QTL for resistance to BGYMV and the I and bc-3 genes for resistance to BCMV and BCMNV. Greenhouse inoculations were used to confirm the presence of the I and bc-3 genes and to screen the line for reaction to strains of common bacterial blight strains. The line was evaluated in field trials planted over a period of five years in Puerto Rico. Mean seed yields of 'Bella' were comparable with the check cultivars ‘Verano, ‘Morales’ and ‘Beníquez’. 'Bella' produced among the highest yields in the Bean Adaptation to Stress Environments (BASE) 120 trials planted at Isabela and Juana Diaz, Puerto Rico. 'Bella' has an indeterminate upright, Type II growth habit. In the June 2016 planting at Isabela Puerto Rico, 'Bella' initiated flowering 36 d, and reached harvest maturity 76 d after planting. 'Bella' has white flowers and white seed with an average weight of 24 g 100-1 seed. The seed size and ovoid shape are acceptable for green-shelled and dry bean production in the Caribbean. | 1948022 | PI 681720 |