|
Oklahoma State University Stillwater, OK |
|
Oklahoma Alfalfa |
|
|
|
Oklahoma State University Stillwater, OK |
|
Oklahoma Alfalfa |
|
|
Blue Mustard |
|
| COMMON NAME: | Blue mustard |
| SCIENTIFIC NAME: | Chorispora tenella (Pallas) DC. |
| TYPE: | Annual Cool-season Broadleaf Weed |
| DESCRIPTION | |
| Germination: | September to October. |
| Reproduction: | By seeds in May to June. |
| Stems: | 1 to 3 feet high with many axillary stems at top of plant. |
| Leaves: | Leaves feather shaped but not as deeply lobed as shepherdspurse. |
| Flowers/ Inflorescence: |
Flowers formed apically in elongated racemes with four bluish-purple petals. |
| Fruit: | Linear silique with conspicuous beak, about 1/3 the length of pod, breaking apart at maturity transversely into numerous 2-seeded sections. |
FOUND: |
In fall-planted alfalfa near Burlington (NW). |
CONTROL: |
No information on control. Would suggest trying to quarts of BUTYRAC 200 in fall for controlling in fall-planted alfalfa. |
| In Alfalfa | Plant | Leaf |  Plant |
Seed Head |
|
||||
| Jim Stritzke Former Alfalfa Weed Control Specialist Department of Plant and Soil Sciences Oklahoma State University |
|
