PlantCalc {SeedCalc}

PlantCalc Function

Description

Calculates all indices for seedlings.

Usage

PlantCalc(lengths, Ger=100, wr = 90, wh = 10, wg = 0.7, wu = 0.3, Unif = 1)

Arguments

lengths

A data.frame object containing seedling lengths data with four columns. The first and second columns are for identification, e.g. treatments and repetitions. The third is the shoot length and the fourth is the root lenght.

Ger

A data.frame object containing two columns. The first must contain the identification of the treatments identical to the first column of the seedling lenght data. These values is used for vigor_corr calculation. The default is the numeric value 100 and in this case the vigor_corr is equal to vigor index.

wr

A numeric value between zero and 100. Default is 90. Is the weight given to the root lenght in the Growth index calculation.

wh

A numeric value between zero and 100. Default is 10. Is the weight given to the shoot lenght in the Growth index calculation.

wg

A numeric value between zero and one. Default is 0.7. Is the weight given to the seedling lenght in the Vigor index calculation.

wu

A numeric value between zero and one. Default is 0.3. Is the weight given to the Unif_2 index calculation.

Unif

A numeric value, 1 or 2. If 1, the unif_1 index is used for Vigor index calculation. If 2, the Unif_2 index is used for Vigor index calculation.

Author(s)

Laercio Junio da Silva [e-mail] Andre Dantas de Medeiros [e-mail] Ariadne Morbeck Santos Oliveira [e-mail]

Examples

Seedling <- data.frame(
LOTE = c(1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2),
REP = c(1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2),
SH = c(0.00, 2.77, 1.18, 1.07, 0.80, 2.65, 3.51, 0.64, 2.77, 1.18, 1.07, 0.80, 2.65, 3.51, 1.98),
ROOT = c(4.86, 6.71, 7.88, 3.68, 9.68, 8.88, 9.85, 4.86, 6.71, 7.88, 3.68, 9.68, 8.88, 9.85, 8.75)
)
print(Seedling)
SeedlIndexes <- PlantCalc(Seedling)
SeedlIndexes

Ger <- data.frame(LOTE = c(1,2), GER = (c(90,80)))
print(Ger)

SeedlIndexes <- PlantCalc(Seedling, Ger)
SeedlIndexes