Vigor index I. Percent germination × total dry weight of seedling
Vigor index II. Percent of germination × length of seedling
Here,
dry weight has a unit. e.g. (gm, Kg)
length of seedling has a unit. e.g (cm, m)
when i calculate the vigor index, there is no any unit and why, Please explain.
You have two diffetent dimentions. One is relative (percentage of germination) and the other is absolute (length or dry weight) of the seedling. I think it is difficult to have a unit for a relative and absolute dimentions together
I suggest a major revision about these indexes because index do not have dimensions. Best regards. Walter
Each species of seed develops differently, so you would need to have different types of units per species, so would this actually help you in assessing the vigour of a species?
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