FIELD: biotechnology.
SUBSTANCE: invention relates to the field of biotechnology. Invention discloses a method for limiting the percentage of seeds of self-fertilized male plants obtained from a field, containing planting of lower-growing female pollinated plants (with male sterility) and planting of taller plants with male fertility, where the method includes passing a tool passing above the height of lower stature female plants, between flowering period and harvesting, wherein instrument applies chemical substance to taller plants with male fertility, wherein prevention or reduction of normal development of plants with male fertility, exceeding this height, and separation of seeds by density to remove unwanted self-polluted seeds of male plants after collection of seeds.
EFFECT: invention allows preventing or weakening the development of plants with male fertility exceeding the required height.
12 cl, 4 tbl
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