Quackgrass
Scientific Name: Elymus repens (L.) Gould
Synonyms: Agropyron repens (L.) P. Beauv., Agropyron repens (L.) P. Beauv. var. <i>subulatum</i> (Schreb.) Roem. & Schult., Elytrigia repens (L.) Desv. ex Nevski, Elytrigia repens (L.) Desv. ex Nevski var. <i>vaillantiana</i> (Wulfen & Schreb.) Prokudin, Elytrigia vaillantiana (Wulfen & Schreb.) Beetle, Triticum repens L., Triticum vaillantianum Wulfen & Schreb.
Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Liliopsida / Commelinidae / Cyperales / Poaceae / Gramineae / Elymus L./ Elymus repens (L.) Gould
| General Information | |
|---|---|
| Usda Symbol | ELRE4 |
| Group | Monocot |
| Life Cycle | Perennial |
| Growth Habits | Graminoid |
| Native Locations | ELRE4 |
Plant Guide
Use soil moisture sensors to measure the soil moisture of Quackgrass.
Plant Traits
Growth Requirements
| Temperature, Minimum (°F) | -43 |
|---|---|
| Adapted to Coarse Textured Soils | Yes |
| Adapted to Fine Textured Soils | Yes |
| Adapted to Medium Textured Soils | Yes |
| Anaerobic Tolerance | Low |
| CaCO3 Tolerance | Low |
| Cold Stratification Required | No |
| Drought Tolerance | Low |
| Fertility Requirement | Medium |
| Fire Tolerance | High |
| Frost Free Days, Minimum | 90 |
| Hedge Tolerance | None |
| Moisture Use | Medium |
| pH, Maximum | 7.8 |
| pH, Minimum | 5.2 |
| Planting Density per Acre, Maxim | 43560 |
| Planting Density per Acre, Minim | 19000 |
| Precipitation, Maximum | 65 |
| Precipitation, Minimum | 24 |
| Root Depth, Minimum (inches) | 14 |
| Salinity Tolerance | None |
| Shade Tolerance | Intolerant |
Morphology/Physiology
| After Harvest Regrowth Rate | Moderate |
|---|---|
| Toxicity | None |
| Resprout Ability | No |
| Shape and Orientation | Erect |
| Active Growth Period | Spring and Summer |
| Bloat | None |
| C:N Ratio | Medium |
| Coppice Potential | No |
| Fall Conspicuous | No |
| Fire Resistant | No |
| Flower Color | Yellow |
| Flower Conspicuous | No |
| Foliage Color | Green |
| Foliage Porosity Summer | Moderate |
| Foliage Porosity Winter | Porous |
| Fruit/Seed Color | Brown |
| Nitrogen Fixation | None |
| Low Growing Grass | Yes |
| Lifespan | Moderate |
| Leaf Retention | No |
| Known Allelopath | Yes |
| Height, Mature (feet) | 2.6 |
| Growth Rate | Rapid |
| Growth Form | Rhizomatous |
| Fruit/Seed Conspicuous | No |
| Foliage Texture | Medium |
Reproduction
| Vegetative Spread Rate | Rapid |
|---|---|
| Small Grain | No |
| Seedling Vigor | Medium |
| Seed Spread Rate | Moderate |
| Fruit/Seed Period End | Summer |
| Seed per Pound | 110000 |
| Propagated by Tubers | No |
| Propagated by Sprigs | Yes |
| Propagated by Sod | No |
| Propagated by Seed | Yes |
| Propagated by Corm | No |
| Propagated by Container | No |
| Propagated by Bulb | No |
| Propagated by Bare Root | No |
| Fruit/Seed Persistence | No |
| Fruit/Seed Period Begin | Spring |
| Fruit/Seed Abundance | Low |
| Commercial Availability | No Known Source |
| Bloom Period | Mid Spring |
| Propagated by Cuttings | No |
Suitability/Use
| Veneer Product | No |
|---|---|
| Pulpwood Product | No |
| Protein Potential | Medium |
| Post Product | No |
| Palatable Human | No |
| Palatable Graze Animal | High |
| Palatable Browse Animal | Medium |
| Nursery Stock Product | No |
| Naval Store Product | No |
| Lumber Product | No |
| Fodder Product | Yes |
| Christmas Tree Product | No |
| Berry/Nut/Seed Product | No |
