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Old 09-13-2007, 09:34 PM   #1
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Davis' Knotweed

Davis' Knotweed Basics

Grows LikeSubshrub, Forb/herb
DurationPerennial
U.S. NativeNative to U.S.

Davis' Knotweed Morphology and Physiology

Active Growth PeriodSpring and Summer
After Harvest Regrowth RateNone
AllelopathNo
BloatNone
C:N RatioHigh
Coppice PotentialNo
Fall ConspicuousNo
Flower ColorPurple
Foliage ColorGreen
Foliage Porosity SummerPorous
Foliage Porosity WinterPorous
Foliage TextureMedium
Fruit Seed ColorBrown
Fruit Seed ConspicuousYes
Growth FormSingle Crown
Growth RateModerate
Height Mature feet1.3
Leaf RetentionNo
LifespanModerate
Low Growing GrassNo
Resprout AbilityNo
ErectErect
ToxicityNone

Davis' Knotweed Growing Requirements

Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceNone
CaCO3 ToleranceLow
Cold Stratification RequiredNo
Drought ToleranceMedium
Frost Free Days (Minimum)120
pH Minimum6.4
pH Maximum7.8
Planting Density per Acre (Minimum)1700
Planting Density per Acre (Maximum)2700
Precipitation Minimum14
Precipitation Maximum30
Root Depth (Minimum inches)14
Salinity ToleranceNone
Shade ToleranceIntermediate
Shade ToleranceIntermediate
Minimum Temperature (F)-23

Davis' Knotweed Reproduction

Bloom PeriodEarly Summer
Commercial AvailabilityNo Known Source
Fruit Seed AbundanceLow
Fruit Seed Period BeginsSummer
Fruit Seed Period EndsSummer
Fruit Seed PersistancesNo
Propagated by Bare RootNo
Propagated by BulbsNo
Propagated by ContainerYes
Propagated by CormsNo
Propagated by CuttingsYes
Propagated by SeedYes
Propagated by SodNo
Propagated by SprigsNo
Propagated by TubersNo
Seed per Pound125000
Seed Spread RateSlow
Seedling VigorMedium
Seedling VigorMedium
Small GrainNo
Vegetative Spread RateNone

Davis' Knotweed Edibility and Other Uses

Berry/Nut Seed ProductNo
Christmas Tree ProductNo
Fodder ProductNo
Fuelwood ProductNone
Lumber ProductNo
Naval Store ProductNo
Palatable to a Browse AnimalLow
Palatable to a Grazing AnimalLow
Palatable to a HumanNo
Pulpwood ProductNo
Veneer ProductNo
CategoryDicot
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Old 09-13-2007, 09:34 PM   #2
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Davis' Knotweed

Davis' Knotweed grows like a Subshrub, Forb/herb. Davis' Knotweed is an Perennial. Davis' Knotweed is Native to U.S.. Spring and Summer is when Davis' Knotweed is actively growing. Davis' Knotweed has a None growth rate after harvest. Davis' Knotweed is not an allelopath. Davis' Knotweed has a High C:N Ratio. Davis' Knotweed has a coppice potential of No. Davis' Knotweed is not fall conspicuous. Davis' Knotweed has a Purple colored flower. Davis' Knotweed has Green colored foliage. In the summertime, Davis' Knotweed has a Porous foliage porosity. In the wintertime, Davis' Knotweed has a Porous foliage porosity. Davis' Knotweed has a Medium foliage texture. Seeds of Davis' Knotweed are Brown. Seeds of Davis' Knotweed are Yes conspicuous. Davis' Knotweed grows as a Single Crown. The growth rate of Davis' Knotweed is Moderate. The mature height of Davis' Knotweed is 1.3 feet. The lifespan of Davis' Knotweed is Moderate. The shape and orientation of Davis' Knotweed is Erect. Davis' Knotweed is adapted to coarse textured soils. Davis' Knotweed is not adapted to fine textured soils. Davis' Knotweed is adapted to medium textured soils. The anaerobic tolerance of Davis' Knotweed is None. The CaCO3 tolerance of Davis' Knotweed is Low. Davis' Knotweed does not require cold stratification. The drought tolerance of Davis' Knotweed is Medium. Davis' Knotweed requires a minimum of 120 frost free days per year. The minimum pH of Davis' Knotweed is 6.4. The maximum pH of Davis' Knotweed is 7.8. The minimum planting density per acre of Davis' Knotweed is 1700. The maximum planting density per acre of Davis' Knotweed is 2700. The minimum Precipitation that Davis' Knotweed requires is 14. The maximum Precipitation that Davis' Knotweed can handle is 30. The minimum root depth of Davis' Knotweed is 14 inches. The salininty tolerance of Davis' Knotweed is None. The shade tolerance of Davis' Knotweed is Intermediate. The shade tolerance of Davis' Knotweed is Intermediate. The minimum temperature that Davis' Knotweed requires is -23. The bloom period of Davis' Knotweed is Early Summer. The commerical availability of Davis' Knotweed is No Known Source. The fruit seed abundance of Davis' Knotweed is Low. The fruit seed period of Davis' Knotweed begins Summer. The fruit seed period of Davis' Knotweed ends Summer. The fruit seed persistance of Davis' Knotweed is No. Davis' Knotweed is not propagated by bare roots. Davis' Knotweed is not propagated by bulbs. Davis' Knotweed is propagated by container. Davis' Knotweed is not propagated by corms. Davis' Knotweed is propagated by cuttings. Davis' Knotweed is propagated by seed. Davis' Knotweed is not propagated by sod. Davis' Knotweed is not propagated by sprig. Davis' Knotweed is not propagated by tubers. Davis' Knotweed can generally yield 125000 seeds per pound of seeds. Davis' Knotweed has a Slow seed spread rate. Davis' Knotweed has a Medium seedling vigor. Davis' Knotweed has a Medium seedling vigor. Davis' Knotweed does not have a small grain. Davis' Knotweed has a None vegatative spread rate. Davis' Knotweed does not have a berry/nut seed product. Davis' Knotweed is not viable as a Christmas Tree. Davis' Knotweed does not make a good fodder product. Davis' Knotweed does not make a good fuel wood product. Davis' Knotweed does not make a good lumber product. Davis' Knotweed does not make a naval store product. Davis' Knotweed is not palatable to browse animals. Davis' Knotweed is not palatable to grazing animals. Davis' Knotweed is not palatable to humans. Davis' Knotweed does not make a pulpwood product. Davis' Knotweed does not make a veneer product. Davis' Knotweed is of the category, Dicot.
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