Parasitic dodder and host, microscopy

Videonummer 11941752
Light micrograph of a section through a haustorium of a parasitic dodder plant (Cuscuta sp.). A haustorium is a modified root of a parasitic plant, which penetrates the tissues of its host plant. Once inside, it sucks sugars from the host's phloem tissues, and water and minerals from the xylem. Dodder is a widespread parasitic plant that attacks a huge variety of plants, including crops. It derives all its nutrients from the host. It is an annual in temperate regions but can grow year-round in tropical areas. Importing it is illegal in many areas, and batches of seed are checked for contamination by its own seeds.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Chee, Francis
Modell-Rechte: nicht erforderlich
Länge: 10 Sekunden
Seitenverhältnis: 16:9
Restrictions: -

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