Stomatal Index Calculator

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✖Stomata Per Unit Area is the number of stomata per unit area.ⓘ Stomata Per Unit Area [S]			+10% -10%
✖Epidermal In Unit Area is the number of epidermal cells in the same unit area.ⓘ Epidermal In Unit Area [E]			+10% -10%

✖Stomatal Index is the number of stomata to number of epidermal cells.ⓘ Stomatal Index [SI]

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Formula

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Stomatal Index

Formula

SI = (\frac{S}{E + S}) \cdot 100

Example

53.84615 = (\frac{42}{36 + 42}) \cdot 100

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Stomatal Index Solution

STEP 0: Pre-Calculation Summary

Formula Used

Stomatal Index = (Stomata Per Unit Area/(Epidermal In Unit Area+Stomata Per Unit Area))*100
SI = (S/(E+S))*100
This formula uses 3 Variables

Variables Used

Stomatal Index - Stomatal Index is the number of stomata to number of epidermal cells.
Stomata Per Unit Area - Stomata Per Unit Area is the number of stomata per unit area.
Epidermal In Unit Area - Epidermal In Unit Area is the number of epidermal cells in the same unit area.

STEP 1: Convert Input(s) to Base Unit

Stomata Per Unit Area: 42 --> No Conversion Required
Epidermal In Unit Area: 36 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

SI = (S/(E+S))*100 --> (42/(36+42))*100

Evaluating ... ...

SI = 53.8461538461538

STEP 3: Convert Result to Output's Unit

53.8461538461538 --> No Conversion Required

FINAL ANSWER

53.8461538461538 ≈ 53.84615 <-- Stomatal Index

(Calculation completed in 00.004 seconds)

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Created by Sangita Kalita

National Institute of Technology, Manipur (NIT Manipur), Imphal, Manipur

Sangita Kalita has created this Calculator and 50+ more calculators!

Verified by Soupayan banerjee

National University of Judicial Science (NUJS), Kolkata

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Stomatal Index Formula

Stomatal Index = (Stomata Per Unit Area/(Epidermal In Unit Area+Stomata Per Unit Area))*100
SI = (S/(E+S))*100

What does determination of leaf constants include?

Determination of leaf constants include: stomatal number, stomatal index, vein islet, vein termination number, and palisade ratios. Stomatal number is average number of stomata per sq. mm of epidermis of the leaf.

How to Calculate Stomatal Index?

Stomatal Index calculator uses Stomatal Index = (Stomata Per Unit Area/(Epidermal In Unit Area+Stomata Per Unit Area))*100 to calculate the Stomatal Index, The Stomatal Index formula is defined as the percentage which the numbers of stomata form to the total number of epidermal cells, each stoma being counted as one cell. Stomatal Index is denoted by SI symbol.

How to calculate Stomatal Index using this online calculator? To use this online calculator for Stomatal Index, enter Stomata Per Unit Area (S) & Epidermal In Unit Area (E) and hit the calculate button. Here is how the Stomatal Index calculation can be explained with given input values -> 53.84615 = (42/(36+42))*100.

FAQ

What is Stomatal Index?

The Stomatal Index formula is defined as the percentage which the numbers of stomata form to the total number of epidermal cells, each stoma being counted as one cell and is represented as SI = (S/(E+S))*100 or Stomatal Index = (Stomata Per Unit Area/(Epidermal In Unit Area+Stomata Per Unit Area))*100. Stomata Per Unit Area is the number of stomata per unit area & Epidermal In Unit Area is the number of epidermal cells in the same unit area.

How to calculate Stomatal Index?

The Stomatal Index formula is defined as the percentage which the numbers of stomata form to the total number of epidermal cells, each stoma being counted as one cell is calculated using Stomatal Index = (Stomata Per Unit Area/(Epidermal In Unit Area+Stomata Per Unit Area))*100. To calculate Stomatal Index, you need Stomata Per Unit Area (S) & Epidermal In Unit Area (E). With our tool, you need to enter the respective value for Stomata Per Unit Area & Epidermal In Unit Area and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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