Successfully storing milkweed taproots for habitat restoration

REFERENCES

1. ↵
   1. Bhowmik PC

   . 1994. Biology and control of common milkweed (Asclepias syriaca). Reviews of Weed Science 6:227–250.

   OpenUrl
2. ↵
   1. Bhowmik PC,
   2. Bandeen JD

   . 1976. The biology of Canadian weeds: 19 Asclepias syriaca L. Canadian Journal of Plant Science 56:579–589.

   OpenUrl
3. ↵
   1. Borders B,
   2. Lee-Mäder E

   . 2014. Milkweeds: a conservation practitioner’s guide: plant ecology, seed production methods, and habitat restoration opportunities. URL: https://xerces.org/milkweedsa-conservation-practitioners-guide/ (accessed Apr 2018). Portland (OR): Xerces Society for Invertebrate Conservation. 105 p.
4. ↵
   1. Burdett AN

   . 1979. New methods for measuring root growth capacity: their value in assessing lodgepole pine stock quality. Canadian Journal of Forest Research 9(1):63–67.

   OpenUrl
5. ↵
   1. Curry T,
   2. Walker L

   . 2016. Monarch butterfly population rebounds to 68 percent of 22-year average: favorable weather boosts numbers, but herbicides still threaten iconic butterfly’s future. URL: https://www.biologicaldiversity.org/news/press_releases/2016/monarch-butterfly-02-26-2016.html (accessed Apr 2018). Tucson (AZ): Center for Biological Diversity.
6. ↵
   1. Davies MJ,
   2. Longbottom H,
   3. Atkinson CJ

   . 2011. Changes in duration of rhizome cold storage and manipulation of the growing environment to promote field establishment of Miscanthus giganteus. Biomass and Bioenergy 35(10):4268–4279.

   OpenUrl
7. ↵
   1. Hanson N,
   2. Ross-Davis AL,
   3. Davis AS

   . 2017. Growth and survival of two western milkweed species: effect of container volume and fertilizer rate. HortTechnology 27(4):482–489.

   OpenUrl
8. ↵
   1. Harrington JT,
   2. Mexal JG,
   3. Fisher JT

   . 1994. Volume displacement provides a quick and accurate way to quantify new root production. Tree Planters’ Notes 45(3):121–124.

   OpenUrl
9. ↵
   1. [ITIS] Integrated Taxonomic Information System

   . 2013. URL: http://www.itis.gov (accessed Apr 2018). Washington (DC): National Museum of Natural History.
10. ↵
    1. Jeffery LS,
    2. Robison LR

    . 1971. Growth characteristics of common milkweed. Weed Science 19(3):193–196.

    OpenUrl
11. ↵
    1. Landis TD,
    2. Dumroese RK

    . 2015. Propagating native milkweeds for restoring monarch butterfly habitat. International Plant Propagators’ Society, Combined Proceedings (2014) 64:299–307.

    OpenUrl
12. ↵
    1. Landis TD,
    2. Luna T

    . 2009. Chapter 13: Harvesting, storing, and shipping. In: Dumroese RK, Luna T, Landis TD, editors. Nursery manual for native plants: a guide for tribal nurseries. Volume 1: Nursery management. Washington (DC): USDA Forest Service. Agriculture Handbook 730. p 229–246.
13. ↵
    1. Landis TD,
    2. Savoie S

    . 2018. Using native plants to create pollinator habitat in southwest Oregon: lessons learned. Native Plants Journal 19(1):27–39.

    OpenUrlAbstract/FREE Full Text
14. ↵
    1. Landis TD,
    2. Dumroese RK,
    3. Haase DL

    . 2010. Chapter 4: Plant storage. In: The container tree nursery manual. Volume 7: Seedling processing, storage, and outplanting. Washington (DC). USDA Forest Service. Agriculture Handbook 674. 7:27.
15. 1. Landis TD,
    2. Dumroese RK,
    3. Horning ME

    . 2014. Create a pollinator garden at your nursery: an emphasis on monarch butterflies. Fort Collins, Colorado, USDA Forest Service, Rocky Mountain Research Station. Forest Nursery Notes 34(1–2):2–13.

    OpenUrl
16. ↵
    1. Luna T

    . 2009. Vegetative propagation. In: Dumroese RK, Luna T, Landis TD, editors. Nursery manual for native plants: a guide for tribal nurseries. Volume 1: Nursery management. Washington (DC): USDA Forest Service. Agriculture Handbook 730. p 153–175.
17. 1. Luna T,
    2. Dumroese RK

    . 2013. Monarchs (Danaus plexippus) and milkweeds (Asclepias species): the current situation and methods for propagating milkweeds. Native Plants Journal 14(1):6–15.

    OpenUrl
18. ↵
    1. Malcolm SB,
    2. Cockrell BJ,
    3. Brower LP

    . 1989. Cardenolide fingerprint of monarch butterflies reared on common milkweed, Asclepias syriaca L. Journal of Chemical Ecology 15(3):819–853.

    OpenUrlCrossRefPubMed
19. ↵
    1. Monarch Joint Venture

    . 2018. Breeding habitat loss. URL: https://monarchjointventure.org/threats/breeding-habitat-loss/ (accessed Apr 2018). St Paul (MN): Monarch Joint Venture.
20. 1. Monarch Watch

    . 2018. Monarch population status. URL: https://monarchwatch.org/blog/2018/03/10/monarch-population-status-32/ (accessed Apr 2018). Lawrence (KY): University of Kansas.
21. ↵
    1. Overton EC,
    2. Pinto JR,
    3. Davis AS

    . 2013. Insights into big sagebrush seedling storage practices. Native Plants Journal 14(3):225–230.

    OpenUrlAbstract/FREE Full Text
22. ↵
    1. Pellissier L,
    2. Litsios G,
    3. Fishbein M,
    4. Salmin N,
    5. Agrawal A,
    6. Rasmann S

    . 2016. Different rates of defense evolution and niche preferences in clonal and nonclonal milkweeds (Asclepias spp.). New Phytologist 209:1230–1239.

    OpenUrl
23. ↵
    1. Pelton E,
    2. Jepsen S,
    3. Schultz C,
    4. Fallon C,
    5. Black SH

    . 2016. State of the monarch butterfly overwintering sites in California. URL: https://xerces.org/state-of-the-monarch-butterfly-overwintering-sites-in-california/ (accessed Apr 2018). Portland (OR): Xerces Society for Invertebrate Conservation. 48 p.
24. ↵
    1. Pelton E,
    2. McKnight S,
    3. Fallon C,
    4. Code A,
    5. Hopwood J,
    6. Hoyle S,
    7. Jepsen S,
    8. Hoffman Black S

    . 2018. Managing for monarchs in the west: best management practices for conserving the monarch butterfly and its habitat. URL: https://xerces.org/wp-content/uploads/2018/04/18-009_01-Monarch_BMPs_Final_Web.pdf (accessed Sep 2018). Portland (OR): Xerces Society for Invertebrate Conservation. 116 p.
25. ↵
    1. Pleasants JM,
    2. Oberhauser KS

    . 2013. Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population. Insect Conservation and Diversity 6(2):135–144.

    OpenUrl
26. ↵
    1. Polowick PL,
    2. Raju MVS

    . 1982. The origin and development of root buds in Asclepias syriaca. Canadian Journal of Botany 60(10):2119–2125.

    OpenUrl
27. ↵
    1. Potts SG,
    2. Biesmeijer JC,
    3. Kremen C,
    4. Neumann P,
    5. Schweiger O,
    6. Kunin WE

    . 2010. Global pollinator declines: trends, impacts and drivers. Trends in Ecology & Evolution 25(6):345–353.

    OpenUrl
28. ↵
    1. Robinson EL

    . 1968. Reproductive characteristics of honeyvine milkweed. Weed Science 16(4):436–438.

    OpenUrl
29. ↵
    1. Semmens B,
    2. Semmens DJ,
    3. Thogmartin WE,
    4. Wiederhold R,
    5. Lopez-Hoffman L,
    6. Diffendorfer JE,
    7. Pleasants JM,
    8. Overhauser KS,
    9. Orley TR

    . 2016. Quasi-extinction risk and population targets for the eastern migratory population of the monarch butterfly (Danaus plexippus). Nature Scientific Reports 6:23265.

    OpenUrl
30. ↵
    1. Soil Survey Staff

    . 2018. USDA Natural Resources Conservation Service. Web soil survey. URL: https://websoilsurvey.sc.egov.usda.gov/ (accessed Jun 2018).
31. ↵
    1. Stevens M

    . 2000. Asclepias speciosa plant guide. In: The PLANTS database. URL: https://plants.usda.gov/java/profile?symbol=ASSP (accessed Apr 2018). Greensboro (NC): National Plant Data Team.
32. ↵
    1. Thogmartin WE,
    2. Widerholt R,
    3. Oberhauser K,
    4. Drum RG,
    5. Diffendorfer JE,
    6. Altizer S,
    7. Taylor OR,
    8. Pleasants J,
    9. Semmens D,
    10. Semmens B,
    11. Erickson R,
    12. Libby K,
    13. Lopez-Hoffman L

    . 2017. Monarch butterfly population decline in North America: identifying the threatening processes. Royal Society Open Science 4:170760.

    OpenUrlCrossRef
33. ↵
    1. Toone W,
    2. Hanscom T

    . 2003. Conservation of monarch butterflies in central Mexico: protection of a biological phenomenon. Biodiversity 4(3):14–20.

    OpenUrlCrossRef
34. ↵
    1. [USDA NRCS] USDA Natural Resources Conservation Service

    . 2018. The PLANTS database. URL: https://plants.usda.gov/core/profile?symbol=assy (accessed Apr 2018). Greensboro (NC): National Plant Data Team.
35. ↵
    1. [USFS] USDA Forest Service

    . 2015. Conservation and management of monarch butterflies: a strategic framework. FS-1044. Washington (DC): US Department of Agriculture, Forest Service.
36. ↵
    1. Vidal O,
    2. Rendón-Salinas E

    . 2014. Dynamics and trends of overwintering colonies of the monarch butterfly in Mexico. Biological Conservation. p 165–175.
37. ↵
    1. Williams E

    . 2016. Mexican overwintering monarchs graph. URL: https://xerces.org/monarchs-old/mexican-overwintering-monarchs-graph/ (accessed Apr 2018). Portland (OR): Xerces Society for Invertebrate Conservation.
38. ↵
    1. World Wildlife Fund

    . 2018. Monarch butterfly. URL: https://www.worldwildlife.org/species/monarch-butterfly (accessed Apr 2018). Washington (DC): World Wildlife Fund.
39. 1. Xerces Society for Invertebrate Conservation

    . (n.d.) Monarch conservation. URL: https://xerces.org/monarchs/ (accessed Apr 2018). Portland (OR): Xerces Society for Invertebrate Conservation.
40. ↵
    1. Xerces Society for Invertebrate Conservation

    . 2016. Helping monarch conservation take flight. 8. URL: http://www.xerces.org/wpcontent/uploads/2016/07/MonarchUpdate_July19-2016_XercesSociety.pdf (accessed Apr 2018). Portland (OR): Xerces Society for Invertebrate Conservation.