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TROPICULTURA
Table 5
Effects of various management practices of bean bruchids with plant materials, in farmers’ storages, on the percentage of weight
loss of bean grains, in Kivu, D R Congo (March- August, 2003)
B : JAK farmers ‘association
Bruchids management Doses tested Bean varieties
practices
M’Mafutala Kirundo Ishikazi Haricot Namakala Mean
(M’Lwera)
Soja
Farmers’ practices
(mixture of plant leaves
from 3 to 8 botanicals):
Kg of fresh leaves / 5 kg of
bean grains
180
Dose 1 (0 kg /5 kg
bean grains)
Dose 2 (0.75 kg/5 kg
bean grains)
Dose 3 (1.5 kg/5 kg
bean grains)
59.60 a 39.40 a 22.80 a 47.000 a 28.600 a 39.48
51.40 a 23.40 a 29.00 a 25.200 b 19.000 a 29.60
31.00 a 20.40 a 16.00 a 16.600 b 18.400 a 20.48
Improved practices Dose 1 (0 kg/5 kg 29.00 a 39.20 a 30.00 a 58.00 a 27.600 a 36.76
(mixture of plant powders bean grains)
from 12 botanical species): Dose 2 (0.1 kg/5 kg 7.000 b 10.40 b 9.100 a 29.20 b 8.0000 b 12.74
Kg of powders / 5 kg of bean grains)
bean seeds
Dose3 (0.2 kg/ 5 kg
bean grains)
8.600 b 7.60 b 1.300 b 14.00 b 2.6000 b 6.820
Mean 31.10 23.40 18.00 31.70 17.40
CV (%) 51.00 57.00 52.00 51.00 49.00
Within columns, means followed by the same letters are not significantly different at 5% probability levels as determined with Fisher’s
protected least significant difference (LSD) test for means separation. CV (%)= coefficient of variation (%).
Table 6
Effects of various management practices of bean bruchids with plant materials, in farmers’ storages, on the mean percentage of
bean grains damaged(perforated) by bruchids , in Kivu, D R Congo (March- August, 2003)
B : JAK farmers ‘association
Bruchids management
practices
Farmers’ practices (mixture
of plant leaves from 3 to
8 botanicals): Kg of fresh
leaves / 5 Kg of bean grains
Doses tested Bean varieties Mean
Dose 1 (0 kg /5 kg bean
grains)
Dose 2 (0.75 kg/5 kg
bean grains)
Dose 3 (1.5 kg/5 kg
bean grains)
M’Mafutala
(M’Lwera)
Kirundo Ishikazi Haricot
Soja
Namakala
58.000 a 75.80 b 60.40 a 50.800 b 49.40 a 58.880
61.800 a 50.40 c 58.00 a 31.800 c 39.60 b 48.320
59.400 a 39.60 d 9.000 c 17.120 e 37.60 b 32.544
Improved practices Dose 1 (0 kg/5 kg bean 57.400 a 82.20 a 57.40 a 66.200 a 40.20 a 60.680
(mixture of plant powders grains)
from 12 botanical species): Dose 2 (0.1 kg/5 kg 31.400 b 49.80 c 35.40 d 27.80 d 36.60 b 36.200
Kg of powders / 5 Kg of bean grains)
bean seeds
Dose 3 (0.2 kg/ 5 kg
bean grains)
4.4200 c 29.80 c 4.640 d 6.2400 f 20.06 c 13.032
Mean 45.4 54.00 37.470 33.330 38.230
CV (%) 9.30 9.00 7.90 9.20 8.80
Within columns, means followed by the same letters are not significantly different at 5% probability levels as determined with Fisher’s
protected least significant difference (LSD) test for means separation. CV (%) = coefficient of variation (%).