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version. |
![](../../digital.img/tn_V4_WholePlant.jpg) V4 whole plant (defined by visible leaf
collars) |
![](../../digital.img/tn_V4_GrowingPoint.jpg) V4 growing point, located
about 0.2 inch (0.5 cm) below the soil surface |
![](../../digital.img/tn_V6_WholePlant.jpg) V6 whole
plant |
![](../../digital.img/tn_V6_GrowingPoint.jpg) V6 growing point, located
about 0.4 inch (1 cm) above the soil surface. |
![](../../digital.img/tn_V7_WholePlant.jpg) V7 whole
plant |
![](../../digital.img/tn_V7_GrowingPoint.jpg) V7 growing point, located
about 1.3 inches (3.3 cm) above the soil surface. |
![](../../digital.img/tn_V9_WholePlant.jpg) V9 whole
plant |
![](../../digital.img/tn_V9_GrowingPoint.jpg) V9 growing point, located
about 11 inches (28 cm) above the soil surface. |