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pollen plant
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pollen plant
Encyclopedia
理学
离体培养
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pollen plant
花粉植株
将发育到一定阶段的花粉从花药中分离出来成为分散或游离状态,通过离体培养使花粉粒脱分化,进而得到的单倍体植物(见图)。
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urediospore
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Urengoy-Uzhhorod Gas Pipeline
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urethral artery
urethral bulbar artery
urethral bulbar vein
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