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Effect of Storage Temperature and Postharvest Tuber Treatment with Chemical and Biorational Inhibitors on Suppression of Sprouts During Potato Storage Cover

Effect of Storage Temperature and Postharvest Tuber Treatment with Chemical and Biorational Inhibitors on Suppression of Sprouts During Potato Storage

Open Access
|Jan 2021

Figures & Tables

Table 1

Sprout suppressant and cultivar effects on percentage of potato tubers that sprouted (mean ± standard error) following postharvest tuber treatment with CIPC, DMN, PPO and nontreated tubers stored at 10 °C and 23 °C in season 1

Storage Temp.TreatmentCultivar24681012141618202224
10 °CControl‘Asante’0±0.00±0.00±0.00±0.00±0.030±8.883.3±20.590±26.4100±32.8100±36.4100±35.0100±35.3
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.030±12.033.3±10.836.7±14.646.7±17
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.030±7.823.3±9.116.6±8.8
Control‘Kenya Mpya’0±0.00±0.00±0.00±0.00±0.00±0.046.7±17.193.3±27.3100±31.0100±24.7100±25.3100±24.0
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.026.7±5.916.7±3.813.3±4.1
Control‘Shangi’0±0.00±0.00±0.020±5.880±23.1100±29.4100±36.5100±35.3100±31.4100±30.6100±29.3100±27.8
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.016.7±7.723.3±9.630±11.633.3±11.836.7±6.5
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.033.3±11.823.3±8.016.7±5.010±3.310±2.6
23 °CControl‘Asante’0±0.00±0.00±0.00±0.080±24.72100±23.03100±28.6100±33.5100±22.9100±24.7100±26.0100±43.67
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.03.3±1.26.7±3.416.7±9.7
DMN0±0.00±0.00±0.00±0.060±18.463.3±19.063.3±18.363.3±22.663.3±18.363.3±19.563.3±18.363.3±16.0
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.026.7±9.120±5.220±4.320±5.426.6±9.8
Control‘Kenya Mpya’0±0.00±0.00±0.00±0.080±23.496.7±20.3100±28.7100±30.3100±36.23100±39.2100±39.8100±35.9
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.03.3±1.56.7±2.910±2.1
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.03.3±1.16.7± 1.413.3±4.416.7±4.820±5.0
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.030±10.633.3±5.923.3±4.820±5.426.6±5.8
Control‘Shangi’0±0.093.3±26.8100±28.8100±34.2100±30.5100±35.1100±35.1100±31.8100±34.2100±30.0100±23.6100±33.0
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.010±3.213.3±3.323.3±6.1
DMN0±0.03.3±1.116.7±3.873.3±22.676.7±23.476.7±19.076.7±18.076.7±18.476.7±19.076.7±23.076.7±19.176.7±25.3
PPO0±0.00±0.00±0.00±0.046.7±14.636.7±8.026.7±9.023.3±7.716.7±5.420.0±4.823.3±5.230.0±7.7

[i] P-value for: Storage Temp. = <0.001; Treatment = < 0.001; Cultivar = 0.001; Storage Temp. × Treatment = 0.001; Storage Temp. × Cultivar = 0.074; Treatment × Cultivar=< 0.001; Storage Temp. × Treatment × Cultivar= 0.211

[ii] CIPC = chlorpropham, DMN = 1,4-dimethylnaphthalene, PPO = peppermint essential oil

[iii] Probability of F statistic for 24 weeks of storage duration (under the table)

Table 2

Sprout suppressant and cultivar effects on percentage of potato tubers that sprouted (mean ± standard error) subsequent to postharvest treatment with CIPC, DMN, PPO and nontreated tubers at 10 °C and 23 °C in season 2

Storage Temp.TreatmentCultivar24681012141618202224
10 °CControl‘Asante’0±0.00±0.00±0.00±0.00±0.027.6±7.874.1±17.880±22.9100±28.8100±31.7100±30.5100±31.2
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.024.8±10.429.6±9.432.7±12.741.5±14.8
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.025±6.820.7±7.915.7±7.7
Control‘Kenya Mpya’0±0.00±0.00±0.00±0.00±0.00±0.041.7±17.183.1±28.3100±33.2100±26.7100±27.1100±25.7
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.026.7±6.316.7±3.313.3±3.6
Control‘Shangi’0±0.00±0.00±0.017.8±5.171.2±20.1100±31.4100±38.5100±37.3100±33.2100±32.1100±31.3100±29.7
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.0
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.014.9±7.720.7±9.626.7±11.629.6±11.832.7±6.5
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.030.3±11.819.3±8.014.8±5.0124±3.312±2.6
23 °CControl‘Asante’0±0.00±0.00±0.00±0.078.4±21.793.3±26.3100±28.6100±33.5100±25.9100±33.3100±30.4100±37.9
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.03.3±1.26.7±3.416.7±9.7
DMN0±0.00±0.00±0.00±0.058.6±18.460.7±19.062.8±18.365.3±22.664.9±18.362.7±19.562.7±18.362.7±16.0
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.023.8±9.117.6±5.218.7±4.318.7±5.423.7±9.8
Control‘Kenya Mpya’0±0.00±0.00±0.00±0.080±27.486.1±23.3100±32.8100±35.1100±42.2100±45.2100±39.8100±40.9
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.03.3±1.56.7±2.910±2.1
DMN0±0.00±0.00±0.00±0.00±0.00±0.00±0.02.7±1.35.3±1.612.8±4.415.9±4.819.7±5.1
PPO0±0.00±0.00±0.00±0.00±0.00±0.00±0.026.7±9.229.6±6.920.9±5.620.7±5.423.6±5.8
Control‘Shangi’0±0.083.1±23.389.7±33.8100±40.2100±35.5100±41.1100±38.1100±37.2100±40.2100±35.1100±27.6100±38.6
CIPC0±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.00±0.08.9±3.710.7±3.824.3±7.1
DMN0±0.04.8±1.320.7±4.565.3±24.670.7±26.974.8±22.377.2±21.179.6±21.579.7±22.278.5±26.977.3±22.378.7±29.6
PPO0±0.00±0.00±0.00±0.039.3±17.134.2±9.427.4±7.824.9±6.718.5±4.621.3±4.222.8±4.527.1±6.7

[i] P-value for: Storage Temp. =< 0.001; Treatment = < 0.001; Cultivar =0.021; Storage Temp. × Treatment = 0.001; Storage Temp. × Cultivar = 0.063; Treatment × Cultivar=< 0.001; Storage Temp. × Treatment × Cultivar = 0.145

[ii] CIPC = chlorpropham, DMN = 1,4-dimethylnaphthalene, PPO = peppermint essential oil

[iii] Probability of F statistic for 24 weeks of storage duration (under the table)

Fig. 1

Effect of storage temperature (23 °C and 10 °C) on sprout length of three cultivars ‘Asante’, ‘Kenya Mpya’, and ‘Shangi’ following tuber treatment with CIPC, DMN, peppermint oil and untreated stored for 24 weeks

Fig. 2

Effect of storage temperature (10 °C; 23 °C) on sprout number of three cultivars ‘Asante’, ‘Kenya Mpya’ and ‘Shangi’ following tuber treatment with CIPC, DMN, peppermint oil and untreated stored for 24 weeks

DOI: https://doi.org/10.2478/johr-2021-0001 | Journal eISSN: 2353-3978 (formerly 2300-5009) | Journal ISSN: 2300-5009
Language: English
Page range: 83 - 94
Submitted on: Feb 1, 2019
Accepted on: Sep 1, 2020
Published on: Jan 21, 2021
Published by: National Institute of Horticultural Research
In partnership with: Paradigm Publishing Services

© 2021 Winnie Wanjiku Murigi, Richard Ombui Nyankanga, Solomon Igosangwa Shibairo, published by National Institute of Horticultural Research
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.