A novel maize variety designated X90R978 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X90R978 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X90R978 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X90R978, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X90R978 are provided. Methods for producing maize varieties derived from maize variety X90R978 and methods of using maize variety X90R978 are disclosed.

A novel maize variety designated X75R197 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X75R197 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X75R197 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X75R197, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X75R197 are provided. Methods for producing maize varieties derived from maize variety X75R197 and methods of using maize variety X75R197 are disclosed.

A novel maize variety designated 1PCAS30 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PCAS30 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PCAS30 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety 1PCAS30 or a locus conversion of 1PCAS30 with another maize variety.

A novel maize variety designated X95R004 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X95R004 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X95R004 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X95R004, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X95R004 are provided. Methods for producing maize varieties derived from maize variety X95R004 and methods of using maize variety X95R004 are disclosed.

A novel maize variety designated X00R819 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X00R819 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X00R819 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X00R819, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X00R819 are provided. Methods for producing maize varieties derived from maize variety X00R819 and methods of using maize variety X00R819 are disclosed.

Compositions and methods are provided for introducing transgenic target sites for Site Specific Integration (SSI) and/or polynucleotides of interest into at least one double-strand break target site of a double-strand-break inducing agent in a genomic window of a plant genome. Also provided are methods and compositions for producing a complex trait locus in a genomic window of a plant comprising at least one transgenic target site for site specific integration integrated in at least double-strand-break target site. The double-strand-break target site can be, but is not limited to, a target site for a zinc finger endonuclease, an engineered endonuclease, a meganuclease, a TALENs and/or a Cas endonuclease. The genomic window of said plant can comprise at least one genomic locus of interest such as a trait cassette, a transgene, a mutated gene, a native gene, an edited gene or a site-specific integration (SSI) target site.

A novel maize variety designated PH4CAY and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH4CAY with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH4CAY through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety PH4CAY or a locus conversion of PH4CAY with another maize variety.

A novel maize variety designated X00P577 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X00P577 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X00P577 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X00P577, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X00P577 are provided. Methods for producing maize varieties derived from maize variety X00P577 and methods of using maize variety X00P577 are disclosed.

A novel maize variety designated X08P396 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X08P396 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X08P396 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X08P396, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X08P396 are provided. Methods for producing maize varieties derived from maize variety X08P396 and methods of using maize variety X08P396 are disclosed.

A novel maize variety designated X08P394 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X08P394 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X08P394 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X08P394, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X08P394 are provided. Methods for producing maize varieties derived from maize variety X08P394 and methods of using maize variety X08P394 are disclosed.