This report describes standardized data for “Assessment of Cassava varieties for ESARC in a Uniformed Yield Trial (26 clones) in Mokwa 2006/2007 Breeding Season.”. 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 (2007). Assessment of Cassava varieties for ESARC in a Uniformed Yield Trial (26 clones) in Mokwa 2006/2007 Breeding Season. International Institute of Tropical Agriculture (IITA). doi:10.25502/SB6B-8A25

The dataset has 104 records and 29 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 dmy_storage fwy_storage fwy_residue yield_part yield N_fertilizer P_fertilizer K_fertilizer irrigated plot_length plot_width harvest_index
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 1 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-IBA30572 30572,I30572,IBA30572,IITA-IITA-TMS-IBA30572,MIGYERA,NASE3,TMS-I30572,TMS-IBA30572 5 9.4 25000 NA roots 25000 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 2 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-IBA8200058 82/00058,I8200058,TMS 82/00058,TMS-I8200058 268 5.0 15600 NA roots 15600 NA NA NA NA NA NA 0.7
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 3 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-IBA9102324 91/02324,9102324,I9102324,TMS 91/02324,TMS-I9102324 374 8.2 25600 NA roots 25600 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 4 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-IBA920326 92/0326,I920326,TMS 92/0326,TMS-I920326 396 8.9 24600 NA roots 24600 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 5 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-IBA920377 117445 7.3 19600 NA roots 19600 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 6 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MH950414 M950414,MH95/0414,MH950414 10144 7.3 21900 NA roots 21900 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 7 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM961751 MM96/1751,MM961751 1776 9.0 25600 NA roots 25600 NA NA NA NA NA NA 0.7
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 8 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM961871 MM96/1871,MM961871 1778 9.7 28100 NA roots 28100 NA NA NA NA NA NA 0.7
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 9 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM963665 MM96/3665,MM963665 1780 4.2 11300 NA roots 11300 NA NA NA NA NA NA 0.5
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 10 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM964496 MM96/4496,MM964496 1783 6.1 21300 NA roots 21300 NA NA NA NA NA NA 0.5
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 11 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM964614 117444 11.3 31300 NA roots 31300 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 12 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM965280 MM96/5280,MM965280 1785 12.0 31400 NA roots 31400 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 13 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM96JW1 MM96JW1 75208 8.0 21300 NA roots 21300 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 14 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM970016 MM97/0016,MM970016 5352 12.5 37500 NA roots 37500 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 15 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM970516 MM97/0516,MM970516 5354 6.7 23800 NA roots 23800 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 16 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM971307 MM97/1307,MM971307 5357 3.9 11900 NA roots 11900 NA NA NA NA NA NA 0.5
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 17 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM971660 MM97/1660,MM971660 5359 7.7 18800 NA roots 18800 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 18 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM972472 MM97/2472,MM972472 5361 7.7 24000 NA roots 24000 NA NA NA NA NA NA 0.7
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 19 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava IITA-TMS-MM97JW2 MM97JW2 75207 7.4 23100 NA roots 23100 NA NA NA NA NA NA 0.5
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 20 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava NASE 10 28528 10.5 28800 NA roots 28800 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 21 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava NASE 5 29472 10.8 28100 NA roots 28100 NA NA NA NA NA NA 0.6
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 22 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava NASE 8 29444 6.2 18100 NA roots 18100 NA NA NA NA NA NA 0.4
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 23 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava NASE 9 28535 3.7 11300 NA roots 11300 NA NA NA NA NA NA 0.8
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 24 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava TMEB693 ANKRA,Poundable 39679 6.8 16900 NA roots 16900 NA NA NA NA NA NA 0.5
doi_10.25502_SB6B-8A25 06uyt26EsarcMK 25 Nigeria Mokwa 5.31025 9.23942 TRUE 2006-06-16 2007-08-29 FALSE FALSE 1 cassava TMEB778 GUZO,MOMBASA 29510 3.6 9400 NA roots 9400 NA NA NA NA NA NA 0.4


The dataset has 26 treatments:

treatments
variety
IITA-TMS-IBA30572
IITA-TMS-IBA8200058
IITA-TMS-IBA9102324
IITA-TMS-IBA920326
IITA-TMS-IBA920377
IITA-TMS-MH950414
IITA-TMS-MM961751
IITA-TMS-MM961871
IITA-TMS-MM963665
IITA-TMS-MM964496
IITA-TMS-MM964614
IITA-TMS-MM965280
IITA-TMS-MM96JW1
IITA-TMS-MM970016
IITA-TMS-MM970516
IITA-TMS-MM971307
IITA-TMS-MM971660
IITA-TMS-MM972472
IITA-TMS-MM97JW2
NASE 10
NASE 5
NASE 8
NASE 9
TMEB693
TMEB778
TMEB785

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_SB6B-8A
104(100.0%)
 0 (0.0%)
trial_id [character] 1. 06uyt26EsarcMK
104(100.0%)
 0 (0.0%)
record_id [integer]
Mean (sd) : 52.5 (30.2)
min ≤ med ≤ max:
1 ≤ 52.5 ≤ 104
IQR (CV) : 51.5 (0.6)
 104 distinct values (Integer sequence) 0 (0.0%)
country [character] 1. Nigeria
104(100.0%)
 0 (0.0%)
location [character] 1. Mokwa
104(100.0%)
 0 (0.0%)
geo_from_source [logical] 1. TRUE
104(100.0%)
 0 (0.0%)
planting_date [character] 1. 2006-06-16
104(100.0%)
 0 (0.0%)
harvest_date [character] 1. 2007-08-29
104(100.0%)
 0 (0.0%)
on_farm [logical] 1. FALSE
104(100.0%)
 0 (0.0%)
is_survey [logical] 1. FALSE
104(100.0%)
 0 (0.0%)
rep [integer]
Mean (sd) : 2.5 (1.1)
min ≤ med ≤ max:
1 ≤ 2.5 ≤ 4
IQR (CV) : 1.5 (0.4)
1:26(25.0%)
2:26(25.0%)
3:26(25.0%)
4:26(25.0%)
 0 (0.0%)
crop [character] 1. cassava
104(100.0%)
 0 (0.0%)
variety [character]
1. IITA-TMS-IBA30572
2. IITA-TMS-IBA8200058
3. IITA-TMS-IBA9102324
4. IITA-TMS-IBA920326
5. IITA-TMS-IBA920377
6. IITA-TMS-MH950414
7. IITA-TMS-MM961751
8. IITA-TMS-MM961871
9. IITA-TMS-MM963665
10. IITA-TMS-MM964496
[ 16 others ]
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
64(61.5%)
 0 (0.0%)
variety_alt [character]
1. (Empty string)
2. 30572,I30572,IBA3057
3. 82/00058,I8200058,TM
4. 91/02324,9102324,I91
5. 92/0326,I920326,TMS
6. ANKRA,Poundable
7. EX MARIAKANI
8. GUZO,MOMBASA
9. M950414,MH95/0414,MH
10. MM96/1751,MM961751
[ 11 others ]
24(23.1%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
4(3.8%)
44(42.3%)
 0 (0.0%)
variety_code [integer]
Mean (sd) : 25270.2 (34099.6)
min ≤ med ≤ max:
5 ≤ 5360 ≤ 117445
IQR (CV) : 27730 (1.3)
 26 distinct values 0 (0.0%)
dmy_storage [numeric]
Mean (sd) : 7.2 (2.7)
min ≤ med ≤ max:
2.4 ≤ 7.1 ≤ 14.5
IQR (CV) : 4.2 (0.4)
 38 distinct values 52 (50.0%)
fwy_storage [integer]
Mean (sd) : 20846.2 (7480)
min ≤ med ≤ max:
3800 ≤ 20750 ≤ 43300
IQR (CV) : 8700 (0.4)
 51 distinct values 0 (0.0%)
fwy_residue [logical]
All NA's
 104 (100.0%)
yield_part [character] 1. roots
104(100.0%)
 0 (0.0%)
yield [integer]
Mean (sd) : 20846.2 (7480)
min ≤ med ≤ max:
3800 ≤ 20750 ≤ 43300
IQR (CV) : 8700 (0.4)
 51 distinct values 0 (0.0%)
N_fertilizer [logical]
All NA's
 104 (100.0%)
P_fertilizer [logical]
All NA's
 104 (100.0%)
K_fertilizer [logical]
All NA's
 104 (100.0%)
irrigated [logical]
All NA's
 104 (100.0%)
plot_length [logical]
All NA's
 104 (100.0%)
plot_width [logical]
All NA's
 104 (100.0%)
harvest_index [numeric]
Mean (sd) : 0.6 (0.1)
min ≤ med ≤ max:
0.3 ≤ 0.6 ≤ 0.8
IQR (CV) : 0.2 (0.2)
 6 distinct values 52 (50.0%)