Syngenta Participations Ag

Syngenta Crop Protection Ag

Todd Lee Warner

Brent Delzer

Michael L Nuccio

Timothy Kelliher

William Paul Bullock

Suresh Babu Kadaru

Robert Arthur Dietrich

Satya P Chintamanani

Vance Cary Kramer

Thomas Joseph Prest

David Jay Foster

Robert Lynn Miller

Dale Wayne Skalla

Venkata Krishna Kishore

Daolong Wang

Sonali Dilip Gandhi

Molly Dunn

Chris Zinselmeier

Nicolas Federico Martin

William Briggs

Paul Altendorf

Gayle Dace

Libardo Andres Gutierrez Rojas

John Arbuckle

Allen Sessions

Meijuan Li

Jon Aaron Tucker Reinders

Kari Denise Kust

Christine Chaulk-Grace

Joseph Dallas Clarke, V

Joseph Dallas Clarke

Satya Chintamanani

Jon Aaron Reinders

Sonali Gandhi

Libardo Andres Gutierrez-Rojas

Martin Nicolas

Provided here are methods of using a mutated patatin-like phospholipase IIα ('pPLAIIα,' renamed here MATRILINEAL) to induce haploid induction in plants, cloning a pPLAIIα to induce haploid induction in plants, and genetically engineering a plant to contain a mutated pPLAIIα. Also provided are methods of applying topical and spray chemicals, lipids, and RNAi molecules to plants during pollination in order to induce haploid production. Further provided are methods of chemically treating plants during pollination to induce haploids while also reducing embryo abortion and increasing seed set.

Haploid induction compositions and methods for use therefor

Provided are isolated cDNAs comprising a nucleotide sequence having at least 90% identity to SEQ ID NO: 33, SEQ ID NO: 37, SEQ ID NO: 52 or SEQ ID NO: 53. Also provided are expression cassettes; vectors; transgenic plant cells; plants, plant parts, and seeds; isolated polypeptides; amplicons and informative fragments of the presently disclosed nucleic acids; compositions that include amplification primer pairs; methods for producing plants that exhibit HI; methods for identifying the presence or absence of an allele associated with HI in a plant; methods for introgressing Haploid-inducing nucleotide sequences into plants; and methods for selecting parental plants predicted to produce progeny generations with plants that exhibit Haploid Induction trait.

Provided here are methods of using a mutated patatin-like phospholipase II&#x3b1; ('pPLAII&#x3b1;,' renamed here MATRILINEAL) to induce haploid induction in plants, cloning a pPLAII&#x3b1; to induce haploid induction in plants, and genetically engineering a plant to contain a mutated pPLAII&#x3b1;. Also provided are methods of applying topical and spray chemicals, lipids, and RNAi molecules to plants during pollination in order to induce haploid production. Further provided are methods of chemically treating plants during pollination to induce haploids while also reducing embryo abortion and increasing seed set.

Provided are isolated cDNAs comprising a nucleotide sequence having at least 90% identity to SEQ ID NO: 33, SEQ ID NO: 37, SEQ ID NO: 52 or SEQ ID NO: 53. Also provided are expression cassettes; vectors; transgenic plant cells; plants, plant parts, and seeds; isolated polypeptides; amplicons and informative fragments of the presently disclosed nucleic acids; compositions that include amplification primer pairs; methods for producing plants that exhibit HI; methods for identifying the presence or absence of an allele associated with HI in a plant; methods for introgressing Haploid&#x2014;inducing nucleotide sequences into plants; and methods for selecting parental plants predicted to produce progeny generations with plants that exhibit Haploid Induction trait.

The presently disclosed subject matter relates to methods and compositions for identifying, selecting, and/or producing drought tolerant maize plants or germplasm. Maize plants or germplasm that have been identified, selected, and/or produced by any of the methods of the presently disclosed subject matter are also provided.

Genetic markers associated with drought tolerance in maize

Provided are expression cassettes; vectors; transgenic plant cells; plants, plant parts, and seeds; isolated polypeptides; amplicons and informative fragments of the presently disclosed nucleic acids; compositions that include amplification primer pairs; methods for producing plants that exhibit haploid induction (HI); methods for identifying the presence or absence of an allele associated with HI in a plant; methods for introgressing Haploid-inducing nucleotide sequences into plants; and methods for selecting parental plants predicted to produce progeny generations with plants that exhibit Haploid Induction trait.

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Stanton, MN, United States of America

Todd Lee Warner