A novel maize variety designated 1PAEZ42 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PAEZ42 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PAEZ42 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 1PAEZ42 or a locus conversion of 1PAEZ42 with another maize variety.

A novel maize variety designated 1PZTR12 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PZTR12 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PZTR12 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 1PZTR12 or a locus conversion of 1PZTR12 with another maize variety.

A novel maize variety designated 1PPFG56 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PPFG56 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PPFG56 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 1PPFG56 or a locus conversion of 1PPFG56 with another maize variety.

A novel maize variety designated PH4D4R and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH4D4R with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH4D4R 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 PH4D4R or a locus conversion of PH4D4R with another maize variety.

A novel maize variety designated PH4DPW and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH4DPW with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH4DPW 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 PH4DPW or a locus conversion of PH4DPW with another maize variety.

Inbred corn line, designated KW4FP1688, are disclosed. The disclosure relates to the seeds of inbred corn line KW4FP1688, to the plants and plant parts of inbred corn line KW4FP1688 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line KW4FP1688 with itself or another corn line. The disclosure also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line KW4FP1688 and/or of the hybrids produced using the inbred as a parent. The disclosure further relates to methods for producing a corn plant containing in its genetic material one or more transgenes and to the transgenic plants produced by that method and to methods for producing other corn lines derived from inbred corn line KW4FP1688.

A novel maize variety designated 1PYRA69 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PYRA69 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PYRA69 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 1PYRA69 or a locus conversion of 1PYRA69 with another maize variety.

A novel maize variety designated 1PQRM81 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PQRM81 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PQRM81 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 1PQRM81 or a locus conversion of 1PQRM81 with another maize variety.

A novel maize variety designated PH42SG and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH42SG with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH42SG 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 PH42SG or a locus conversion of PH42SG with another maize variety.

The invention refers to the function and application of a disease-resistance gene Xa7 highly resistant to the bacterial blight of rice, belonging to the field of plant genetics. The invention discloses a gene Xa7 with high resistance to rice bacterial blight. The nucleotide sequence of gene Xa7 is shown in SEQ ID No: 1. The invention also provides the usage of the gene Xa7 to improve the resistance of rice to bacterial blight.