The present invention discloses a method of utilizing a plant heterosis.The method isGene mutation or genetic engineeringThe meiosis of hybrid germ cells is converted into a mitotic and similar formStep S1 to obtain a gamete consistent with a hybrid genotype and chromosome ploidyGene mutation and genetic engineeringStep S2 affects the protein involved in the developmental process of the gamete or embryo in plantsIncludingSuch proteins are MTL proteins.Using the technical idea of the present inventionClone seeds or plants can be obtained from hybrids that are completely consistent with their genotypes and chromosome ploidyIn this wayHeterosis has become available for a long period of timeWhen using a heterosisHybrid between parents is difficult because of the lack of flowering timeLow seed productionConventional problems such as high hybrid cost are solved.Diagram
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