T50 {SeedCalc}

Time spent to 50 percent germination

Description

Calculates the time spent to 50 percent germination (Farooq et al., 2005).

Usage

T50(time,nger)

Arguments

time

A vector object containing the time for germination.

nger

A vector object containing the accumulated number of seeds germinated at each time.

References

FAROOQ, M.; BASRA, S. M. A.; AHMAD, N.; HAFEEZ, K. Thermal Hardening: A New Seed Vigor Enhancement Tool in Rice. Journal of Integrative Plant Biology, v. 47, n. 2, p. 187-193, 2005.

Examples

time <- c(1,2,3,4,5,6,7,8,9,10)
nger <- c(0,2,4,15,25,38,45,50,50,50)
T50(time,nger)