dactylis_EC: The orchadgrass germplasm collection

In ccChooser: Developing a core collections

Description

The orchadgrass (Dactylis glomerata L.) germplasm collection, held at Botanical Garden of Plant Breeding and Acclimatization Institute in Bydgoszcz, Poland. The number of accessions was limited by the availability of the data on the 8 important agro-morphological traits. ). The accessions were assessed in the field trials located at Botanical Garden of Plant Breeding and Acclimatization Institute in Bydgoszcz, Poland (53.174 N, 18.046 E)

Usage

data(dactylis_EC)

Format

A data frame with 1971 accessions on the following 8 variables and cllassification by UPGMA methods.

UPGMA

classification accessions by UPGMA cluster analysis methods

X1

plant height (cm)

X2

inflorescence length

X3

leaf width (cm)

X4

leaf length (cm)

X5

total seasonal yield (kg)

X6

1000 kernel weight (g)

X7

number of days since the 1st April to inflorescence emergence

X8

number of days since the 1st April to inflorescence

Examples

data(dactylis_EC)
summary(dactylis_EC)

Example output

Loading required package: cluster
     UPGMA              X1               X2              X3       
 Min.   : 1.000   Min.   : 25.82   Min.   : 6.87   Min.   :20.51  
 1st Qu.: 1.000   1st Qu.: 48.82   1st Qu.:13.32   1st Qu.:22.36  
 Median : 1.000   Median : 58.20   Median :15.02   Median :22.87  
 Mean   : 1.902   Mean   : 60.44   Mean   :15.10   Mean   :22.93  
 3rd Qu.: 3.000   3rd Qu.: 72.14   3rd Qu.:16.75   3rd Qu.:23.47  
 Max.   :10.000   Max.   :102.64   Max.   :26.95   Max.   :27.58  
       X4               X5               X6               X7       
 Min.   :0.6882   Min.   :-1.371   Min.   :0.3412   Min.   :49.00  
 1st Qu.:0.7824   1st Qu.: 2.049   1st Qu.:1.0654   1st Qu.:51.74  
 Median :0.7966   Median : 2.669   Median :1.1554   Median :52.40  
 Mean   :0.7959   Mean   : 2.653   Mean   :1.1582   Mean   :52.34  
 3rd Qu.:0.8069   3rd Qu.: 3.269   3rd Qu.:1.2654   3rd Qu.:53.00  
 Max.   :0.8673   Max.   : 5.669   Max.   :1.9554   Max.   :55.94  
       X8       
 Min.   :55.82  
 1st Qu.:66.59  
 Median :66.86  
 Mean   :67.06  
 3rd Qu.:67.40  
 Max.   :74.37  

ccChooser documentation built on May 1, 2019, 10:56 p.m.