Mycobiology.
2005 Dec;33(4):240-242.
Soft Rot of Tomato Caused by Mucor racemosus in Korea
- Affiliations
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- 1Gyeongsangnam-do Agricultural Research and Extension Services, Jinju 660-360, Korea. Kwon825@mail.knrda.go.kr
- 2Korean Agricultural Culture Collection, National Institute of Agricultural Biotechnology, Suwon 441-707, Korea.
Abstract
- A soft rot of fruits caused by Mucor racemosus occurred on cherry tomato collected in Agricultural Products Wholesale Market in Jinju, Korea. The disease infection usually occurred wounded areas after cracking of fruits. At first, the lesions started with water soaked and rapidly softened and diseased lesion gradually expanded. Colonies were white to brownish to gray in color. Sporangia were 32~54 microm in size and globose in shape. Sporangiophores were 8~14 microm in width. Sporangiospores were 5~12 x 4~8 microm in size, ellipsoidal to subglobose in shape. Columella was 27~42 microm in size, obovoid, ellipsoidal, cylindrical-ellipsoidal, slightly pyriform in shape. Chlamydospores were numerous in sporangiophores and barrelshaped when young, subglobose in old cultures. Optimum growth temperature was about 25degrees C. The fungus was identified as M. racemosus Fres. This is the first report of soft rot on cherry tomato caused by M. racemosus in Korea.
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