Expected response to early-generation selection for yield and tuber appearance traits in potatoes

Ney, Vicenti Gonçalves; Terres, Laerte Reis; Silva, Giovani Olegário da; Pereira, A. da S.

doi:10.5433/1679-0359.2016v37n5p2849

Cited by 3 publications

(3 citation statements)

References 9 publications

(20 reference statements)

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“…Howard (1974) argued that the eye depth is determined mainly by the genotype. Later, a number of studies also showed a high heritability of the eye depth (Gopal et al, 1992;Love et al, 1997;da Silva et al, 2014;Ney et al, 2016) and an insignificant environmental influence (Love et al, 1997). Other authors show that the genotype most strongly affects the trait, but the influence of environmental factors is also quite high (HaraSkrzypiec et al, 2018).…”

Section: Introductionmentioning

confidence: 96%

Genomic regions of Solanum tuberosum L. associated with the tuber eye depth

et al. 2020

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Potato (Solanum tuberosum L.) is one of the most important food crops in the world. The genome of this potato species is autotetraploid and has a high level of heterozygosity, also this potato species is a cross-pollinated plant. These characteristics complicate the genetic analysis and breeding process. The tuber’s eye depth is an important trait that affects the suitability of potato varieties for processing. Potato breeding for this trait is based on phenotypic assessment. Identification of the loci that control tuber eye depth would allow diagnostic markers for the marker-assisted selection to be created. The aim of this study is to search for loci associated with the eye depth by analyzing Solanum tuberosum varieties from the GenAgro collection of the Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, genotyped using the Illumina 22K SNP potato array DNA chip. The 24 significant markers associated with the “eye depth” trait were identified using 15,214 SNP markers genotyped with the Illumina 22K SNP potato array chip and the general linear model (GLM) taking into account the population structure. Data obtained showed the presence of SNPs in four genomic regions: on chromosome 4 (1 marker in the 3.92 Mb area), 5 (1 marker in the 4.67 Mb area) and 10 (1 marker in the 4.87 Mb area and 21 markers in the region between 48.1–48.9 Mb). The results of localization in the region 48.1–48.9 Mb of chromosome 10 correspond to previously published studies, the remaining three regions were detected for the first time. DNA sections containing SNPs linked to the tuber’s eye depth were studied in the SolTub_3.0 potato genome assembly (https:// plants.ensembl.org/). KASP markers were developed based on the data obtained. It will be possible to screen the breeding material and to breed the varieties more effectively using current markers associated with a shallow tuber’s eye depth.

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Section: Introductionmentioning

confidence: 96%

Genomic regions of Solanum tuberosum L. associated with the tuber eye depth

et al. 2020

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“…[5]. on the other hand, made evaluations on eye depth, apical bud depth, tuber shape, tuber size and general appearance and total yield in clones belonging to 12 hybrid families in their selection in terms of tuber yield and appearance [6]. Yılmaz et al (2017a) stated that in order to develop new varieties in potatoes, it is necessary to make hybridization with suitable parents, to develop seed tubers by using hybrid seeds, seedling generation, and to proceed to the first clonal selection stage with these tubers.…”

Section: Introductionmentioning

confidence: 99%

Early Generation Selection in Different Locations in Potato Breeding Program

KOYUTURK¹,

Yilmaz

2022

Eurasian Journal of Science Engineering and Technology

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In variety development studies through hybridization, it is necessary to make hybridization with the parents suitable for the purpose, to obtain the tubers in seedling generation from the hybrid seeds obtained, and then to proceed to the clonal selection process. In this study, it was aimed to select clones suitable for tuber shape, earliness, table and industrial use in different locations in the first clonal generation stage from the variation created by hybridization between some commercially registered potato varieties, local potato varieties and some clones with superior characteristics. The study was conducted with 3316 clones in Artova and Kazova districts in Tokat province in Turkey. In this year, which was the first clonal selection stage, besides phenotypic characteristics such as breeder's preference, maturity group, tuber defects, skin roughness, skin and tuber flesh color, characteristics such as the number of tubers per hill, tuber yield per hill, average tuber weight, depth of lateral (eye) and apical buds were examined and data on clones belonging to each hybrid family were obtained. Thus, it was decided to proceed to the next selection stage with 918 clones selected due to their compliance with the criteria determined in the first clonal generation stage.

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“…These characteristics are obtained as a function of the genetic load of the potato (NEY et al, 2016). As the cultivars of this study were not in the same experimental area, edaphoclimatic conditions should also be considered, as they directly interfere with herbicide dynamics in the soil and plant.…”

Section: Commercial Tubersmentioning

confidence: 99%

Selectivity of the herbicide metribuzin for pre- and post-emergence applications in potato cultivation

Correia

Carvalho

2018

SCA

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Metribuzin is the most commonly used herbicide in potato cultivation in Brazil, but there are few reports in literature regarding its selectivity, especially when applied to post-emergent potato plants. The objective of this study was to evaluate the selectivity of the herbicide metribuzin for potato cultivation, applied in pre-and post-emergence. Two experiments were carried out under field conditions, one with the Agata cultivar and another with the Atlantic cultivar. A randomized block experimental design, with a subdivided plot (5 × 3) and four replications, was used in both experiments. Plot experiments consisted of five doses of metribuzin (0, 120, 240, 360, and 480 g a.i. ha -1 ), studied for pre-emergence, as well as three doses (0, 120, and 192 g a.i. ha -1 ) studied for post-emergence. Metribuzin was selective for the Agata and Atlantic cultivars at doses of up to 480 g ha -1 for pre-emergence, as well as at 120 or 192 g ha -1 for post-emergence, applied seven days after hilling. Key words: Agata. Atlantic. Phytotoxicity. Solanum tuberosum L. ResumoO metribuzin é o herbicida mais utilizado na cultura da batata no Brasil, porém existem poucos relatos na literatura sobre a sua seletividade, principalmente, quando aplicado na pós-emergência das plantas de batata. Com o objetivo de estudar a seletividade do herbicida metribuzin para a cultura da batata, aplicadoem pré e pós-emergência, dois experimentos foram desenvolvidos em condições de campo, um com a cultivar Ágata e outro com a Atlantic. Nos dois experimentos, o delineamento experimental foi o de blocos ao acaso, em esquema de parcela subdividida (5 x 3), com quatro repetições. Nas parcelas foram estudadas cinco doses de metribuzin (0, 120, 240, 360, 480 g i.a. ha -1 ), em pré-emergência, após o plantio da batata, combinadas à aplicação de três doses desse herbicida (0, 120 e 192 g i.a. ha -1 ), em pós-emergência das plantas, nas subparcelas. O metribuzin foi seletivo para as cultivares Ágata e Atlantic em doses de até 480 g ha -1 em pré-emergência combinado com 120 ou 192 g ha -1 em pós-emergência, aplicado aos sete dias após a prática da amontoa. Palavras-chave: Ágata. Atlantic. Fitointoxicação. Solanum tuberosum L.

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Expected response to early-generation selection for yield and tuber appearance traits in potatoes

Cited by 3 publications

References 9 publications

Genomic regions of Solanum tuberosum L. associated with the tuber eye depth

Genomic regions of Solanum tuberosum L. associated with the tuber eye depth

Early Generation Selection in Different Locations in Potato Breeding Program

Selectivity of the herbicide metribuzin for pre- and post-emergence applications in potato cultivation

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