PLP407 Lecture 14
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- List 5 ways that dwarf mistletoe is different from true mistletoe
- Dwarf is non-photosynthetic; lacks true leaves; is host specific; usually on conifers; only fruiting bodies are visable True MT is on hardwoods;birds will eat the berries
- ⬢ Assume you just clear cut a small block of loblolly pine out of a forest infected with dwarf mistletoe, and planned to replant loblolly pine. How could you manage the replanting to prevent the gradual re-infection of the plantation with dwarf mistleto
- Plant loblolly pine 40ft from the infected area. and/or plant DM resistant hardwoods
- List 5 parasitic plants.
- Dwarf Mistletoe Dodder Mistletoe Indian pipes beech drops
- What are some problems caused by dwarf mistletoe?
- Hypertrophy; witches brooming; deminished seed production and reduction in growth rates; death of host
- Why is true leafy mistletoe economically important?
- Requires a lot of pruning and the berries stick to cars causing paint damage.
- How do the seeds of Dwarf mistletoe get transported to new hosts?
- The seeds get shot off (by turger pressure)and stick on new trees.
- How do the seeds of TRUE mistletoe get transferd to new hosts?
- They are very stickey and fall onto lower canopy trees and plants as well as get stuck onto birds and transfered.
- How do we prevent the spread of dodder in fields?
- If a field contains dodder all of the equipment is quarentined and/or undergoes strict cleaning and inspection before being used in uninfected fields.