Table 1 Soybean vegetation stages and duration [7]
From: Soybean cyst nematode detection and management: a review
Vegetation stage | Description | Range and average |
|---|---|---|
| Planning Emergence: the cotyledon (VE) stage | 5–10 days (Average 10 days) |
| VC: Unrolled unifoliolate leaves | 3–10 days (5 days on average) |
| V1: 1st trifoliolate | 3–10 days (5 days on average) |
| V2: 2nd trifoliolate | 3–10 days (5 days on average) |
| VN Nth trifoliolate | 3–10 days (5 days on average) V3 3–8 days (5 days on average) for V5 3–5 days (3 days on average) for beyond V5 |
| R1: Beginning flower | 2–5 days (3 days) |
| R2: Full flowering | 0–7 days (7 days) |
| R3: Beginning pod | 5–15 days |
| R4: Full pod | 4–26 days |
| R5: Beginning seed | 11–20 days |
| R6: Full seed | 9 to 30 days |
| R7: Beginning maturity | 7–18days |
| R8:Full maturity | – |
