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Full dwarf hybrid sunflower seed and plant and method of producing hybrid seed
专利权人:
JOHNSON, FREEMAN K.
发明人:
JOHNSON, FREEMAN K.
申请号:
US19820433091
公开号:
US4527352(A)
申请日:
1982.10.06
申请国别(地区):
美国
年份:
1985
代理人:
摘要:
This invention relates to a novel full and semi-dwarf hybrid sunflower (Helianthus annuus var. marcocarpus (DC.) Ckll.) (herein H. annuus) seed and a method of producing the hybrid seed. The hybrid sunflower seeds upon growth yield full and semi-dwarf sunflower plants having a reduced internode length. The hybrid seed is produced by cross pollinating a pair of parent plants P1 and P2 wherein, in at least one parent substantially all pollen is nonfunctional and at least one parent has gametes with nuclei carrying at least one dominant gene for reduced internode length.
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