Breeding method for rapid optimization of sweet potato hybridization

The invention relates to the technical field of sweet potato breeding, in particular to a breeding method for rapid optimization of sweet potato hybridization. The breeding method comprises the following steps: parent screening, sample preparation, growth promotion, isolation propagation, propagatio...

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Hauptverfasser: LIU LANFU, HAN MEIKUN, HU YAYA, MA ZHIMIN, GAO ZHIYUAN, LI XUE, YANG XUE, LIU CHAOFANG, JIAO WEIJING
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creator LIU LANFU
HAN MEIKUN
HU YAYA
MA ZHIMIN
GAO ZHIYUAN
LI XUE
YANG XUE
LIU CHAOFANG
JIAO WEIJING
description The invention relates to the technical field of sweet potato breeding, in particular to a breeding method for rapid optimization of sweet potato hybridization. The breeding method comprises the following steps: parent screening, sample preparation, growth promotion, isolation propagation, propagation expanding, hybrid seed harvesting and target seed harvesting. Aiming at solving the problem of poor breeding purposiveness caused by selfing sterility, complex genetic background and lack of pure lines of sweet potatoes, the method provided by the invention establishes a super-parent population with a certain special character, and selects strains of different populations according to a breeding target to perform group matching, so that purposiveness of parent matching and cross breeding is improved, and the breeding efficiency is improved. 本发明涉及甘薯育种技术领域,尤其涉及一种甘薯杂交快速优选的育种方法,包括以下步骤:筛选亲本、备样、促生、隔离繁殖、扩繁、收获杂交种子、收获目标种子。本发明针对甘薯自交不育、遗传背景复杂、缺乏纯系致使育种目的性差的问题,通过本发明,建立某一特殊性状的超亲群体,再依据育种目标选择不同群体的株系进行集团组配,提亲本选配和杂交育种的目的性,提高育种效率。
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subjects AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED
FERTILISING
FISHING
FORESTRY
HORTICULTURE
HUMAN NECESSITIES
HUNTING
NEW PLANTS OR PROCESSES FOR OBTAINING THEM
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
PLANTING
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
SOWING
TRAPPING
WATERING
title Breeding method for rapid optimization of sweet potato hybridization
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