This report describes standardized data for “Assessment of top selection from 2018/2019 cycle 4 PYT 54 trial harvested in Ikenne, Ibadan, and Onne for agronomic and quality traits.”. These data were standardized on 2024-09-18 by Robert Hijmans with this R script. The original data are available here under a CC-BY license.

This is the full citation of the data set:

Kulakow, Peter; Ismail Rabbi; Elizabeth Parkes; Chiedozie Egesi; Olufemi Aina; Prasad Peteti; Agbona Afolabi (2020). Assessment of top selection from 2018/2019 cycle 4 PYT 54 trial harvested in Ikenne, Ibadan, and Onne for agronomic and quality traits. International Institute of Tropical Agriculture (IITA). doi:10.25502/F9BH-ZE86

The dataset has 90 records and 24 variables for cassava in Nigeria.


These are the first 25 records:

records
dataset_id trial_id record_id country location longitude latitude geo_from_source planting_date harvest_date on_farm is_survey rep crop variety variety_alt variety_code yield_part N_fertilizer P_fertilizer K_fertilizer irrigated plot_length plot_width
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 1 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava IITA-TMS-IBA000070 NA 1936 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 2 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava IITA-TMS-IBA070593 NA 29557 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 3 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava IITA-TMS-IBA30572 NA 5 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 4 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava IITA-TMS-IBA980581 NA 723 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 5 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava IITA-TMS-IBA982101 NA 725 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 6 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMEB419 NA 39671 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 7 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS13F2207P0001 NA 123093 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 8 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS14F1035P0004 NA 56570 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 9 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS14F1036P0007 NA 56581 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 10 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS14F1285P0006 NA 50034 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 11 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS14F1285P0017 NA 49609 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 12 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS14F1287P0008 NA 50153 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 13 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1017P0051 NA 643554 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 14 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1358P0019 NA 649272 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 15 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1377P0063 NA 650083 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 16 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1377P0077 NA 650097 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 17 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1409P0020 NA 652372 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 18 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1411P0058 NA 652472 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 19 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1411P0082 NA 652496 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 20 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1411P0088 NA 652502 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 21 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1411P0093 NA 652507 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 22 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1416P0016 NA 652635 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 23 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1418P0013 NA 652678 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 24 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1419P0036 NA 652798 roots NA NA NA NA 4 4
doi_10.25502_F9BH-ZE86 19.GS.C4.AYT30.AG 25 Nigeria Ago-Owu 4.33249 7.24197 TRUE 2019-09-09 NA FALSE FALSE 1 cassava TMS17F1447P0026 NA 654025 roots NA NA NA NA 4 4


The dataset has 30 treatments:

treatments
variety
IITA-TMS-IBA000070
IITA-TMS-IBA070593
IITA-TMS-IBA30572
IITA-TMS-IBA980581
IITA-TMS-IBA982101
TMEB419
TMS13F2207P0001
TMS14F1035P0004
TMS14F1036P0007
TMS14F1285P0006
TMS14F1285P0017
TMS14F1287P0008
TMS17F1017P0051
TMS17F1358P0019
TMS17F1377P0063
TMS17F1377P0077
TMS17F1409P0020
TMS17F1411P0058
TMS17F1411P0082
TMS17F1411P0088
TMS17F1411P0093
TMS17F1416P0016
TMS17F1418P0013
TMS17F1419P0036
TMS17F1447P0026
TMS17F1477P0055
TMS17F1477P0062
TMS17F1496P0056
TMS17F1497P0001
TMS17F1497P0006

The observations are for 1 locations, for which we have 1 unique mapped locations.


The data are further summarized in the table below

Variable Stats / Values Freqs (% of Valid) Graph Missing
dataset_id [character] 1. doi_10.25502_F9BH-ZE
90(100.0%)
 0 (0.0%)
trial_id [character] 1. 19.GS.C4.AYT30.AG
90(100.0%)
 0 (0.0%)
record_id [integer]
Mean (sd) : 45.5 (26.1)
min ≤ med ≤ max:
1 ≤ 45.5 ≤ 90
IQR (CV) : 44.5 (0.6)
 90 distinct values (Integer sequence) 0 (0.0%)
country [character] 1. Nigeria
90(100.0%)
 0 (0.0%)
location [character] 1. Ago-Owu
90(100.0%)
 0 (0.0%)
geo_from_source [logical] 1. TRUE
90(100.0%)
 0 (0.0%)
planting_date [character] 1. 2019-09-09
90(100.0%)
 0 (0.0%)
harvest_date [logical]
All NA's
 90 (100.0%)
on_farm [logical] 1. FALSE
90(100.0%)
 0 (0.0%)
is_survey [logical] 1. FALSE
90(100.0%)
 0 (0.0%)
rep [integer]
Mean (sd) : 2 (0.8)
min ≤ med ≤ max:
1 ≤ 2 ≤ 3
IQR (CV) : 2 (0.4)
1:30(33.3%)
2:30(33.3%)
3:30(33.3%)
 0 (0.0%)
crop [character] 1. cassava
90(100.0%)
 0 (0.0%)
variety [character]
1. IITA-TMS-IBA000070
2. IITA-TMS-IBA070593
3. IITA-TMS-IBA30572
4. IITA-TMS-IBA980581
5. IITA-TMS-IBA982101
6. TMEB419
7. TMS13F2207P0001
8. TMS14F1035P0004
9. TMS14F1036P0007
10. TMS14F1285P0006
[ 20 others ]
3(3.3%)
3(3.3%)
3(3.3%)
3(3.3%)
3(3.3%)
3(3.3%)
3(3.3%)
3(3.3%)
3(3.3%)
3(3.3%)
60(66.7%)
 0 (0.0%)
variety_alt [logical]
All NA's
 90 (100.0%)
variety_code [integer]
Mean (sd) : 406842.7 (303449.2)
min ≤ med ≤ max:
5 ≤ 650090 ≤ 656149
IQR (CV) : 602644 (0.7)
 30 distinct values 0 (0.0%)
yield_part [character] 1. roots
90(100.0%)
 0 (0.0%)
N_fertilizer [logical]
All NA's
 90 (100.0%)
P_fertilizer [logical]
All NA's
 90 (100.0%)
K_fertilizer [logical]
All NA's
 90 (100.0%)
irrigated [logical]
All NA's
 90 (100.0%)
plot_length [integer] 1 distinct value
4:90(100.0%)
 0 (0.0%)
plot_width [integer] 1 distinct value
4:90(100.0%)
 0 (0.0%)