Alfalfa & AlfaGrass
SW3407
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Description
SW3407 is a high yielding FD3 variety which produces excellent quality forage. SW3407 has good standability and an excellent disease rating index (DRI).
Product Guide
Select a topic:
Agronomics
| Yield Level | 10 | Aphanomyces Root Rot (R2) | HR |
| Fall Dormancy | 3 | Phytophthora Root Rot | HR |
| Winter Survival | 2 | Potato Leaf Hopper | N/A |
| DRI | 35/35 | Stem Nematode | R |
| Bacterial Wilt | HR | Pea Aphid | R |
| Fusarium Wilt | HR | Spotted Alfalfa Aphid | R |
| Verticillium Wilt | HR | Blue Aphid | |
| Anthracnose (R1) | HR | Southern Root Knot Nematode | |
| Aphanomyces Root Rot (R1) | HR | Salt Germination | Y |
Planting
- Planting Time:
- Early Spring: After hard freezing conditions have ended
- Late Summer/Early Fall: Allow 4-6 weeks of growth before the first hard frost
- Seeding Rate: 15-20 lbs/acre
- Ideal Seed Depth: ½”
- Alfalfa should be drilled into a firm seedbed or broadcasted and packed.
Fertility
- Alfalfa requires 12 lbs of P2O5, 49 lbs of K2O, and 5.4 lbs of S per ton of forage produced.
- Make fertilizer applications based on expected yield and soil fertility levels.
- If soil fertility levels are low, applying 25-30 lbs/acre of nitrogen at planting will help increase stand establishment.
- Do not exceed a total of 10 lbs/acre of N+K if fertilizer is placed in-furrow at planting.
Weed Control
Plant into a clean, weed-free seedbed and consider using the herbicide options below for optimal weed control:
| Timing | Herbicide | Rate | Notes | Weeds Controlled | Control Method |
| Preemergence (seeding) | Butyrac 200 (2,4-DB) | 1-3 qts/a | Apply before weed heights exceed 3″. Minor crop injury may occur. | Broadleaves | Contact |
| Pursuit (Imazethapyr) | 3-6 oz/a | Apply when seedling alfalfa is in the second trifoliate stage or larger | Broadleaves | Contact | |
| Poast (Sethoxydim) | 0.75-2.0 pts/a | Apply before weeds exceed 8″ in height. | Grasses | Contact | |
| Select Max (Clethodim) | 9-16 oz/a | Apply before weeds exceed 8″ in height. | Grasses | Contact | |
| Broclean (Bromoxynil) | 1.0-1.5 pts/a | Apply when alfalfa has a minimum of 4 fully developed trifoliates. Minor crop injury may occur. | Broadleaves | Contact | |
| Postemergence (established) | Butyrac 200 (2,4-DB) | 1-3 qts/a | Apply before weed heights exceed 3″. Minor crop injury may occur | Broadleaves | Contact |
| Pursuit (Imazethapyr) | 3-6 oz/a | Apply immediately after a cutting before excessive regrowth begins. | Broadleaves | Contact | |
| Poast (Sethoxydim) | 0.75-2.0 pts/a | Apply before weeds exceed 8″ in height. | Grasses | Contact | |
| Select Max (Clethodim) | 9-16 oz/a | Apply before weeds exceed 8″ in height. | Grasses | Contact |
Disclaimer: All products and rates were provided by university-based sources and product labels. Always follow label instructions and consult your local chemical dealer and seed dealer before making any applications or planting the seed.
Management
- Nurse Crops: Spring seeded alfalfa can be planted with a small grain nurse crop such as oats, barley, or spring triticale. Use 1/3 – ½ seeding rates of the nurse crop to avoid over competing with new alfalfa.
- Ex. 1 bushel of oats as a nurse crop vs. a full rate of 3 bushels.
- Nurse crops have little benefit to late summer/early fall seedings and are not recommended.
- Avoid pushing new alfalfa seedings too hard during the establishment year. 1-3 cuttings during the first year are acceptable, depending on growing conditions and regions.
- Allow 3-4 weeks from the time of the last cutting until the average first frost date to allow alfalfa to regenerate reserves needed to survive winter and perform well the following year.
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