This report describes standardized data for “Assessment of genoypes without pollen in the male flower (13 clones) in 2005/2006 Breeding Season”. These data were standardized on 2024-09-18 by Robert Hijmans with this R script. The original data have a CC-BY license. Here you can download the standardized data.

This is the full citation of the data set:

Kulakow, Peter; Ismail Rabbi; Elizabeth Parkes; Chiedozie Egesi; Olufemi Aina; Prasad Peteti; Agbona Afolabi (2006). Assessment of genoypes without pollen in the male flower (13 clones) in 2005/2006 Breeding Season. International Institute of Tropical Agriculture (IITA). Not versioned. doi:10.25502/713N-D096

The dataset has 52 records and 29 variables for cassava in Nigeria. The dataset has 1 treatment(s): variety.


These are the first 25 records:

records
country location longitude latitude geo_from_source trial_id planting_date harvest_date on_farm is_survey rep crop variety variety_alt variety_code dmy_storage fwy_storage fwy_residue yield_part yield N_fertilizer P_fertilizer K_fertilizer irrigated plot_length plot_width harvest_index
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava GSMS9538S1 NA 136534 7.2 25300 NA roots 25300 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava GSMS9596S1 NA 136535 7.4 24000 NA roots 24000 NA NA NA NA NA NA 0.5
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010367 NA 7336 0.1 400 NA roots 400 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010377 NA 22343 0.0 100 NA roots 100 NA NA NA NA NA NA 0.1
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010391 NA 7338 14.0 36900 NA roots 36900 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010454 NA 7340 1.3 4000 NA roots 4000 NA NA NA NA NA NA 0.5
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010536 NA 7342 1.0 2800 NA roots 2800 NA NA NA NA NA NA 0.1
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010606 NA 13200 11.3 25000 NA roots 25000 NA NA NA NA NA NA 0.5
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010615 NA 7344 5.5 15400 NA roots 15400 NA NA NA NA NA NA 0.4
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA010622 NA 7346 0.5 1900 NA roots 1900 NA NA NA NA NA NA 0.4
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA30572 NA 5 7.6 18800 NA roots 18800 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava IITA-TMS-IBA9102324 NA 374 3.4 11300 NA roots 11300 NA NA NA NA NA NA 0.5
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 1 cassava TMEB1 NA 39629 5.6 12000 NA roots 12000 NA NA NA NA NA NA 0.5
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava GSMS9538S1 NA 136534 6.9 18500 NA roots 18500 NA NA NA NA NA NA 0.5
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava GSMS9596S1 NA 136535 NA NA NA roots NA NA NA NA NA NA NA NA
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010367 NA 7336 0.8 1900 NA roots 1900 NA NA NA NA NA NA 0.3
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010377 NA 22343 14.3 35100 NA roots 35100 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010391 NA 7338 5.7 16300 NA roots 16300 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010454 NA 7340 1.2 3300 NA roots 3300 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010536 NA 7342 10.4 40600 NA roots 40600 NA NA NA NA NA NA 0.7
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010606 NA 13200 5.2 14900 NA roots 14900 NA NA NA NA NA NA 0.4
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010615 NA 7344 2.1 4800 NA roots 4800 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA010622 NA 7346 9.8 27900 NA roots 27900 NA NA NA NA NA NA 0.5
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA30572 NA 5 10.0 26800 NA roots 26800 NA NA NA NA NA NA 0.6
Nigeria Ibadan 3.94704 7.37754 TRUE 05uyt13Msterile 2005-03-29 2006-10-16 FALSE FALSE 2 cassava IITA-TMS-IBA9102324 NA 374 5.2 14800 NA roots 14800 NA NA NA NA NA NA 0.5


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


The standardization script emits the following non-compliance warnings.

message
yield
52 harvest_date more than 366 days after planting_date

The overall quality of the dataset, given the completeness of required variables was 5.6 on a scale of 10. See the table below

variable completeness (%)
planting_date 100
harvest_date 100
N_fertilizer 0
P_fertilizer 0
K_fertilizer 0
irrigated 0
latitude 100
longitude 100
location 100


The data are further summarized in the table below.

Variable Stats / Values Freqs (% of Valid) Graph Missing
country [character] 1. Nigeria
52(100.0%)
 0 (0.0%)
location [character] 1. Ibadan
52(100.0%)
 0 (0.0%)
geo_from_source [logical] 1. TRUE
52(100.0%)
 0 (0.0%)
trial_id [character] 1. 05uyt13Msterile
52(100.0%)
 0 (0.0%)
planting_date [character] 1. 2005-03-29
52(100.0%)
 0 (0.0%)
harvest_date [character] 1. 2006-10-16
52(100.0%)
 0 (0.0%)
on_farm [logical] 1. FALSE
52(100.0%)
 0 (0.0%)
is_survey [logical] 1. FALSE
52(100.0%)
 0 (0.0%)
rep [integer]
Mean (sd) : 2.5 (1.1)
min ≤ med ≤ max:
1 ≤ 2.5 ≤ 4
IQR (CV) : 1.5 (0.5)
1:13(25.0%)
2:13(25.0%)
3:13(25.0%)
4:13(25.0%)
 0 (0.0%)
crop [character] 1. cassava
52(100.0%)
 0 (0.0%)
variety [character]
1. GSMS9538S1
2. GSMS9596S1
3. IITA-TMS-IBA010367
4. IITA-TMS-IBA010377
5. IITA-TMS-IBA010391
6. IITA-TMS-IBA010454
7. IITA-TMS-IBA010536
8. IITA-TMS-IBA010606
9. IITA-TMS-IBA010615
10. IITA-TMS-IBA010622
[ 3 others ]
4(7.7%)
4(7.7%)
4(7.7%)
4(7.7%)
4(7.7%)
4(7.7%)
4(7.7%)
4(7.7%)
4(7.7%)
4(7.7%)
12(23.1%)
 0 (0.0%)
variety_alt [logical]
All NA's
 52 (100.0%)
variety_code [integer]
Mean (sd) : 30205.1 (46854.2)
min ≤ med ≤ max:
5 ≤ 7344 ≤ 136535
IQR (CV) : 15005 (1.6)
 13 distinct values 0 (0.0%)
dmy_storage [numeric]
Mean (sd) : 5.7 (4)
min ≤ med ≤ max:
0 ≤ 5.6 ≤ 14.3
IQR (CV) : 6 (0.7)
 41 distinct values 7 (13.5%)
fwy_storage [integer]
Mean (sd) : 15979.2 (10752)
min ≤ med ≤ max:
100 ≤ 15500 ≤ 40600
IQR (CV) : 18300 (0.7)
 43 distinct values 4 (7.7%)
fwy_residue [logical]
All NA's
 52 (100.0%)
yield_part [character] 1. roots
52(100.0%)
 0 (0.0%)
yield [integer]
Mean (sd) : 15979.2 (10752)
min ≤ med ≤ max:
100 ≤ 15500 ≤ 40600
IQR (CV) : 18300 (0.7)
 43 distinct values 4 (7.7%)
N_fertilizer [logical]
All NA's
 52 (100.0%)
P_fertilizer [logical]
All NA's
 52 (100.0%)
K_fertilizer [logical]
All NA's
 52 (100.0%)
irrigated [logical]
All NA's
 52 (100.0%)
plot_length [logical]
All NA's
 52 (100.0%)
plot_width [logical]
All NA's
 52 (100.0%)
harvest_index [numeric]
Mean (sd) : 0.5 (0.1)
min ≤ med ≤ max:
0.1 ≤ 0.5 ≤ 0.7
IQR (CV) : 0.1 (0.3)
 6 distinct values 27 (51.9%)