Vol. 54â2000 - NorthEastern Weed Science Society
Vol. 54â2000 - NorthEastern Weed Science Society
Vol. 54â2000 - NorthEastern Weed Science Society
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Table2: Estimatesof herbaceousperennialcropandweed leaf size attime of transplant<br />
Example:HerbaceousPerennial LeafSize Example:<strong>Weed</strong>Species<br />
TunicaDianthusSaginaThymus<br />
Ercdium ArabisDianthusTeuchrium<br />
Salvia VeronicaScabiosaRueIberis<br />
GeumAmsoniaPolemomumPotentilla<br />
StokesiaVeronicaPlatycodonKnautia<br />
BaptisiaLupinus LychnisOenotheraTrollius<br />
EchinaceaEupatoriumPulmonariaSymphytum<br />
Digitalis FilipendulaRudebeckiaPrimula<br />
HemerocallisIrisBergeniaGrasses<br />
HostaDarmeraPetasitesRodergesia<br />
I<br />
2<br />
3<br />
4<br />
5<br />
6<br />
1<br />
8<br />
9<br />
to<br />
----- - - -------<br />
Table 3: Handweedtng success or failureas a functionof cropto weed leaf size ratios.<br />
Mollugo, StarwOrl<br />
Oxalis, Bittercress<br />
Chickweed,Mouse-earchickweed<br />
Annual, Kentucky Bluegrass<br />
Vetch, Crabgrass<br />
Dandelion,Clover<br />
Hawksweed, Goldenrod<br />
BroadleafPlantain<br />
Populus,Prunus<br />
Petasites<br />
C!WRatio Example Crop Crop Success/Failure<br />
Crop <strong>Weed</strong> Size in 1 Loss(#/IO)<br />
------<br />
I / I Tunica Mollugo 4 9 F<br />
1/3 Thymus Chickweed 6 6 F<br />
1/6 Dianthus Dandhon 12 1 S<br />
2/2 Erodium Bittercress 4 to F<br />
2/4 Arabis Ann Bluegrass 4 to F<br />
2/6 Dianthus Clover 16 2 S<br />
2/8 Teuchrium Plantain 8 to S<br />
3/2 Iberis Bittercress 8 8 F<br />
3/3 Veronica Chickweed 14 8 F<br />
3/8 Iberis Plantain 8 3 S<br />
4/4 Amsonia Ann Bluegrass 8 8 F<br />
4/6 Sedum Dandelion 10 4 S<br />
4/8 Polemonium Plantain 14 2 S<br />
6/2 Lupinus Bittercress 16 0 S<br />
6/4 Oenothera Clover 14 4 S<br />
6/6 Trollius Dandelion 10 8 F<br />
6/8 Baptista Plantain 8 7 F<br />
8/1 Digitalis Mollugo 16 0 S<br />
8/2 Bergenia Bittercress 16 0 S<br />
8/4 Filipendula AnnBluegrass 16 0 S<br />
8/6 Primula Hawksweed 14 5 F<br />
8/8 Rudebeckia Plantain 12 10 F<br />
10 /2 Hosta Sedum 16 0 S<br />
10/3 Rodgersia Chickweed 16 0 S<br />
10 /6 Darmera Dandelion 16 0 S<br />
10 /8 Hosta Plantain 16 6 F<br />
-- ---<br />
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