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Consequences of pre-inoculation with native arbuscular mycorrhizae on root colonization and survival of Wyoming big sagebrush (Artemisia tridentata ssp. Wyomingensis) seedlings after transplanting
| Content Provider | Semantic Scholar |
|---|---|
| Author | Davidson, Bill Eugene |
| Copyright Year | 2015 |
| Abstract | Inoculation of seedlings with arbuscular mycorrhizal fungi (AMF) is a common practice aimed at improving seedling establishment. The success of this practice largely depends on the ability of the inoculum to multiply and colonize the growing root system after transplanting. These events were investigated in Artemisia tridentata ssp. wyomingensis (Wyoming big sagebrush) seedlings inoculated with native AMF. Seedlings were first grown in a greenhouse in sterilized soil (non-inoculated seedlings) or soil containing a mixture of native mycorrhizae (inoculated seedlings). Three-month old seedlings were transplanted to 24 L pots containing soil from a sagebrush habitat (mesocosm experiments) or to a recently burned sagebrush habitat (field experiments). The mesocosm experiments were started in the spring and fall of 2011 and seedlings were grown under natural climatic conditions. Field experiments, conducted within the Morley Nelson Snake River Birds of Prey National Conservation Area, were initiated in the spring and fall of 2012. At the time of transplanting the percent root colonization was negligible for non-inoculated seedlings and ranged from 24 to 81% for the inoculated seedlings, depending on the experiment. In most experiments, 5 or 8 months after transplanting colonization was about twofold higher in inoculated than non-inoculated seedlings. During the mesocosm experiments, inoculation increased survival during the summer by 25%. In the field experiments, increases in AMF colonization were linked to increases in survival during both cold and dry periods and one year after transplanting survival of inoculated seedlings was 27% higher than that of non-inoculated ones. To |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://scholarworks.boisestate.edu/cgi/viewcontent.cgi?article=1963&context=td |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
