PL-4 (CIP596131.4): an Improved Potato Haploid Inducer

Benny Ordoñez; Monica Santayana; Mariela Aponte; Isabelle M. Henry; Luca Comai; Raúl Eyzaguirre; Hannele Lindqvist-Kreuze; Merideth Bonierbale

doi:10.1007/s12230-021-09839-y

PL-4 (CIP596131.4): an Improved Potato Haploid Inducer

Benny Ordoñez
, Monica Santayana
, Mariela Aponte
, Isabelle M. Henry
, Luca Comai
, Raúl Eyzaguirre
, Hannele Lindqvist-Kreuze
, Merideth Bonierbale

Research output: Contribution to journal › Article (Contribution to Journal) › peer-review

9 Scopus citations

Abstract

Dihaploid production from elite tetraploid cultivars is key to both traditional and novel breeding approaches that seek to simplify potato genetics. For this purpose, efficient and widely compatible haploid inducers (HIs) are needed. We compared PL-4, a new HI developed at the International Potato Center, to known HIs IvP101 and IvP35. By pollination of elite tetraploid breeding lines, we showed that PL-4 performed significantly better and had a homogeneous response regardless of the genetic background of the pistillate parents, on the most important efficiency traits—number of dihaploids per 100 fruits and haploid induction rate. Moreover, PL-4 exhibited a reduced proportion of hybrid seeds, a convenient trait for efficient screening. In this context, we recommend PL-4 as an enhanced HI for the potato breeding community.

Translated title of the contribution	PL-4 (CIP596131.4): un inductor haploide de papa mejorado
Original language	English
Pages (from-to)	255-262
Number of pages	8
Journal	American Journal of Potato Research
Volume	98
Issue number	3
DOIs	https://doi.org/10.1007/s12230-021-09839-y
State	Published - 1 Jun 2021
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 9 Industry, Innovation, and Infrastructure

Keywords

Cytoplasm type
Dihaploids
Haploid induction rate (HIR)
Solanum

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10.1007/s12230-021-09839-y

Cite this

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title = "PL-4 (CIP596131.4): an Improved Potato Haploid Inducer",

abstract = "Dihaploid production from elite tetraploid cultivars is key to both traditional and novel breeding approaches that seek to simplify potato genetics. For this purpose, efficient and widely compatible haploid inducers (HIs) are needed. We compared PL-4, a new HI developed at the International Potato Center, to known HIs IvP101 and IvP35. By pollination of elite tetraploid breeding lines, we showed that PL-4 performed significantly better and had a homogeneous response regardless of the genetic background of the pistillate parents, on the most important efficiency traits—number of dihaploids per 100 fruits and haploid induction rate. Moreover, PL-4 exhibited a reduced proportion of hybrid seeds, a convenient trait for efficient screening. In this context, we recommend PL-4 as an enhanced HI for the potato breeding community.",

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author = "Benny Ordo{\~n}ez and Monica Santayana and Mariela Aponte and Henry, \{Isabelle M.\} and Luca Comai and Ra{\'u}l Eyzaguirre and Hannele Lindqvist-Kreuze and Merideth Bonierbale",

note = "Funding Information: This research was undertaken and funded as part of the CGIAR Research Program on Roots, Tubers and Bananas (RTB) and the National Science Foundation Plant Genome Integrative Organismal Systems (IOS) Grant 1444612 (Rapid and Targeted Introgression of Traits via Genome Elimination). Publisher Copyright: {\textcopyright} 2021, The Author(s).",

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doi = "10.1007/s12230-021-09839-y",

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AU - Ordoñez, Benny

AU - Santayana, Monica

AU - Aponte, Mariela

AU - Henry, Isabelle M.

AU - Comai, Luca

AU - Eyzaguirre, Raúl

AU - Lindqvist-Kreuze, Hannele

AU - Bonierbale, Merideth

N1 - Funding Information: This research was undertaken and funded as part of the CGIAR Research Program on Roots, Tubers and Bananas (RTB) and the National Science Foundation Plant Genome Integrative Organismal Systems (IOS) Grant 1444612 (Rapid and Targeted Introgression of Traits via Genome Elimination). Publisher Copyright: © 2021, The Author(s).

PY - 2021/6/1

Y1 - 2021/6/1

N2 - Dihaploid production from elite tetraploid cultivars is key to both traditional and novel breeding approaches that seek to simplify potato genetics. For this purpose, efficient and widely compatible haploid inducers (HIs) are needed. We compared PL-4, a new HI developed at the International Potato Center, to known HIs IvP101 and IvP35. By pollination of elite tetraploid breeding lines, we showed that PL-4 performed significantly better and had a homogeneous response regardless of the genetic background of the pistillate parents, on the most important efficiency traits—number of dihaploids per 100 fruits and haploid induction rate. Moreover, PL-4 exhibited a reduced proportion of hybrid seeds, a convenient trait for efficient screening. In this context, we recommend PL-4 as an enhanced HI for the potato breeding community.

AB - Dihaploid production from elite tetraploid cultivars is key to both traditional and novel breeding approaches that seek to simplify potato genetics. For this purpose, efficient and widely compatible haploid inducers (HIs) are needed. We compared PL-4, a new HI developed at the International Potato Center, to known HIs IvP101 and IvP35. By pollination of elite tetraploid breeding lines, we showed that PL-4 performed significantly better and had a homogeneous response regardless of the genetic background of the pistillate parents, on the most important efficiency traits—number of dihaploids per 100 fruits and haploid induction rate. Moreover, PL-4 exhibited a reduced proportion of hybrid seeds, a convenient trait for efficient screening. In this context, we recommend PL-4 as an enhanced HI for the potato breeding community.

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KW - Haploid induction rate (HIR)

KW - Solanum

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SN - 1099-209X

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ER -

PL-4 (CIP596131.4): an Improved Potato Haploid Inducer

Abstract

UN SDGs

Keywords

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