Impact of Climate Change on Yield Loss Caused by Bacterial Canker on Kiwifruit in Korea
2016
Do, K.S., National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeju, Republic of Korea | Chung, B.N., National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeju, Republic of Korea | Choi, K.S., National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeju, Republic of Korea | Ahn, J.J., National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeju, Republic of Korea | Joa, J.H., National Institute of Horticultural and Herbal Science, Rural Development Administration, Jeju, Republic of Korea
We estimated the averaged maximum incidences of bacterial canker at suitable sites for kiwifruit cultivation in 2020s and 2050s using D-PSA-K model with RCP4.5 and RCP8.5 climate change scenarios. Though there was a little difference between the estimation using RCP4.5 and that using RCP8.5, the estimated maximum disease incidences were more than 75% at all the suitable sites in Korea except for some southern coastal areas and Jeju island under the assumption that there are a plenty of infections to cause the symptoms. We also analyzed the intermediate and final outputs of D-PSA-K model to find out the trends on the change in disease incidence affected by climate change. Whereas increase of damage to kiwifruit canes in a non-frozen environment caused by bacterial canker was estimated at almost all the suitable sites in both the climate change scenarios, rate of necrosis increase caused by the bacterial canker pathogen in a frozen environment during the last overwintering season was predicted to be reduced at almost all the suitable sites in both the climate change scenarios. Directions of change in estimated maximum incidence varied with sites and scenarios. Whereas the maximum disease incidence at 3.14% of suitable sites for kiwifruit cultivation in 2020s under RCP4.5 scenario was estimated to increase by 10% or more in 2050s, the maximum disease incidence at 25.41% of the suitable sites under RCP8.5 scenario was estimated so.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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