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, 67 (1), 73-82

Review of Major Sweetpotato Pests in Japan, With Information on Resistance Breeding Programs


Review of Major Sweetpotato Pests in Japan, With Information on Resistance Breeding Programs

Yoshihiro Okada et al. Breed Sci.


Sweetpotato (Ipomoeae batatas (L.) Lam.) is an important food crop affected by several pests throughout the world, especially in tropical, subtropical, and temperate regions. Although Japan is relatively free from many serious sweetpotato pests, some pests, especially soil-borne pathogens, viruses, and insects such as plant-parasitic nematodes and weevils, cause severe damage in Japan. In this review, we describe the current status and management options for sweetpotato pests and diseases in Japan and review research related to sweetpotato breeding that can promote resistance to these problems. Furthermore, we describe methods to evaluate resistance to pests and disease used in sweetpotato breeding at the National Agriculture and Food Research Organization (NARO).

Keywords: insect pests; nematodes; pests control; resistance breeding; soil rot disease; sweetpotato; viruses.


Fig. 1
Fig. 1
Major sweetpotato disease and pests. A: Streptomyces soil rot caused by Streptomyces ipomoeae. B: Russet cruck disease symptoms caused by sweet potato feathery mottle virus server strain, called ‘Obijyo-sohi’ in Japan. C: Storage roots of susceptible sweetpotato cultivar ‘Koganesengan’ infested by root-knot nematode (Meloidogyne spp.). (Courtesy M. Suzuki) D: Adults of sweetpotato weevil (Cylas formicarius (Fabricius)). E: Adults of West Indian sweetpotato weevil (Euscepes postfasciatus (Fairmaure)). F: Invaded storage root by weevils.

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Cited by 3 PubMed Central articles


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