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Mungbean diseases caused by fungi, bacteria, nematodes, viruses, and mycoplasma and their control are reviewed. (THH] *0041 lwaki, M. 1979. Virus and mycoplasma diseases of leguminous crops in Indonesia. REVIEW OF PLANT PROTECTION RESEARCH, v.11:88-96, LEnJ (A:PS) Ten viruses and one mycoplasma-like disease of leguminous crops in Indonesia are described. Mungbean was infected by bean yellow mosaic virus and mungbean mosaic virus. tTHHJ *0042 Chinsawangwatanakul, A. ; Surin, P. 1980. Mungbean diseases in Thailand [Abst.j. IN: The second southeast Asian symposium on plant diseases in the tropics; Program and abstracts. Bangkok : Faculty of Agriculture, Kasetsart University. p.80 [Enj (REP.MB-2745) MEETING: Southeast Asian Symposium on Plant Diseases in the Tropics, 2nd -- Bangkok, Thailand, Oct 20-26, 1980 Two kinds of mungbean are commonly grown in Thailand, Vigna radiata and Vigna mungo. Vigna radiata is grown in larger quantities acerages than Vigna mungo. The major mungbean-producing area in Thailand is the central region. Mungbean is grown both in the wet and dry seasons. Diseases of Vigna radiata are more commonly reported. Cercospora leaf spot kCercospora canescens Ellis & Martin) is more destructive in the wet season, powdery mildew (Oidium sp.) is important in the dry season. In the wet season, damping off (Pythium sp., Sclerotium sp.), Pythium blight, flower and pod rot (Choanephora sp.), and anthracnose (Colletotrichum sp.) are commonly found. Charcoal rot (Rhizoctonia bataticola Taub) is observed at various growth stages of mungbean under water stress. On sandy loam soils in some areas of U-thai thani and Lopburi Province, root-knot nematode (Meloidogyne incognita) attacks mungbee.a which is grown after a corn planting with abundant weeds. In 1977, mungbean yellow mosaic virus invaded over 1,600 hectares of Vigna radiata in Kampang Phet Province and caused complete yield losses as reported by the local authority. Minor diseases, i.e., witches'broom, iron deficiency, and a few unknown diseases were also reported. !ASJ *0043 Thind, B.S. 1982. Control of Cercospora leaf spot, bacterial leaf spot and leaf reddening of mung bean by a common spraying schedule. INDIAN JOURNAL OF MYCOLOGY AND PLANT PATHOLOGY, v.12(I):129. [Eni (REP.MB-2643) Among the leaf diseases of mungbean, bacterial leaf spot (BLS), Cercopsora leaf spot (CLS), and leaf reddening are of great economic importance and cause heavy losses to the crops. Five chemicals were tried for 3 years at two different locations. Two sprays of Streptocycline + Bavistin followed by 2 sprays of Streptocycline + Bliotox at an interval of 10 days effectively controlled BLS, CLS and leaf reddening of mungbean. [THHJ *0044 Nawaz, R.M.S. ; Narayanasamy, P. 1983. Interaction on powdery mildew and leaf crinkle virus of black gram. MADRAS AGRICULTURAL JOURNAL, v.70(7):487-488. JEnJ (A:PS) 11

There was no difference in the development of powdery mildew between control and leaf crinkle virus infected plants. [THHJ *0045 Chatrath, M.S. ; Gupta, J.P. ; Chiranjeevi, V. 1984. Uptake and distribution of carbendazim in urd bean (Vigna mungo (L.) Hepper) following seed treatment. JOURNAL OF NUCLEAR AGRICULTURE AND BIOLOGY, v.13(3):74-77. [EnJ [En Abstj (REP.MB-2626) Direct evidence of uptake and translocation of carbendazim in blackgram (Vigna mungo) was obtained using both non-labelled and 14C-labelled carbendazim. The chemical moved unaltered into the above ground tissue from the seed and could be detected in plants only upto 30 days. There was high accumulation of 1 4 C-carbendazim in cotyledons of 7-day old seedlings as compared to hypocotyl and other aerial parts. [AS] *0046 Singh, P.P. ; Thind, B.S. 1984. Interaction between Xanthomonas campestris pv. vignaeradiatae (Sabet et al.) Dye, and Cercospora canescens Ell. et Hart. on mungbean in relation to disease development. PHYTOPATHOLOGIA MEDITERRANEA, v.23(i):75-76. [Enj (REP.MB-2707) On one-month-old mungbeans cv. ML 5 grown in pots, the disease intensity of Cercospora canescens was higher than that of Xanthomonas campestris when both pathogens were inoculated either simultaneously or one after the other. Total sugars, total phenols and protein content were higher in leaves infected with the bacterium alone than other treatments which included inoculation with C. canescens. Protease activity was higher in treatments which included inoculation with the fungus, whereas cellulase activity was similar in all treatments. C. canescens produced, both in vivo and in vitro, a toxin thought to be cercosporia. [THH] *0047 Thurston, H.D. 1984. Hungeans. IN: Thurston, H.D. Tropical plant diseases. St. Paul, MN : American Phytopathological Society. p.101 [En] (SB605.T7T49) There art a large number of pathogens which attack mungbean and blackgram in tropical and subtropical Asia. The most important diseases of mungbean and blackgram are fungi such as Uromyces appendiculatus (rust), Erysiphe polygoni (powdery mildew), Cercospora canescens and C. cruenta (leaf spots), bacteria such as Pseudomonas phaseolicola (halo blight), and several viruses of which mungbean yellow mosaic virus is the most important. [THHJ *0048 Ventura, W. ; Watanabe, I. ; Komaaa, H. ; Nishio, M. ; de la Cruz, A. ; Castillo, M.B. 1984. Soil sickness caused by continuous cropping of upland rice, mungbean, and other crops. IRRI RESEARCH PAPER SERIES, no.99:1-13. [En] (A:PS) Continuous monoculture reduced the growth and yield of rice, mungbean, and cowpea. Growth inhibition began with the second crop and increased with succeeding crops. Crop performance tended to improve slightly after extremely poor cropping seasons. No soil sickness was observed in the rice-mungbean rotation. Detrimental effects of continuous cropping were more apparent at 12

Mungbean diseases caused by fungi, bacteria, nematodes, viruses, and<br />

mycoplasma and their control are reviewed. (THH]<br />

*0041 lwaki, M. 1979. Virus and mycoplasma diseases of leguminous crops in<br />

Indonesia. REVIEW OF PLANT PROTECTION RESEARCH, v.11:88-96, LEnJ (A:PS)<br />

Ten viruses and one mycoplasma-like disease of leguminous crops in<br />

Indonesia are described. Mungbean was infected by bean yellow mosaic virus and<br />

mungbean mosaic virus. tTHHJ<br />

*0042 Chinsawangwatanakul, A. ; Surin, P. 1980. Mungbean diseases in<br />

Thailand [Abst.j. IN: The second southeast Asian symposium on plant diseases<br />

in the tropics; Program and abstracts. Bangkok : Faculty of Agriculture,<br />

Kasetsart University. p.80 [Enj (REP.MB-2745)<br />

MEETING: Southeast Asian Symposium on Plant Diseases in the Tropics, 2nd --<br />

Bangkok, Thailand, Oct 20-26, 1980<br />

Two kinds of mungbean are commonly grown in Thailand, Vigna radiata and<br />

Vigna mungo. Vigna radiata is grown in larger quantities acerages than Vigna<br />

mungo. The major mungbean-producing area in Thailand is the central region.<br />

Mungbean is grown both in the wet and dry seasons. Diseases of Vigna radiata<br />

are more commonly reported. Cercospora leaf spot kCercospora canescens Ellis &<br />

Martin) is more destructive in the wet season, powdery mildew (Oidium sp.) is<br />

important in the dry season. In the wet season, damping off (Pythium sp.,<br />

Sclerotium sp.), Pythium blight, flower and pod rot (Choanephora sp.), and<br />

anthracnose (Colletotrichum sp.) are commonly found. Charcoal rot (Rhizoctonia<br />

bataticola Taub) is observed at various growth stages of mungbean under water<br />

stress. On sandy loam soils in some areas of U-thai thani and Lopburi Province,<br />

root-knot nematode (Meloidogyne incognita) attacks mungbee.a which is grown<br />

after a corn planting with abundant weeds. In 1977, mungbean yellow mosaic<br />

virus invaded over 1,600 hectares of Vigna radiata in Kampang Phet Province and<br />

caused complete yield losses as reported by the local authority. Minor<br />

diseases, i.e., witches'broom, iron deficiency, and a few unknown diseases were<br />

also reported. !ASJ<br />

*0043 Thind, B.S. 1982. Control of Cercospora leaf spot, bacterial leaf<br />

spot and leaf reddening of mung bean by a common spraying schedule. INDIAN<br />

JOURNAL OF MYCOLOGY AND PLANT PATHOLOGY, v.12(I):129. [Eni (REP.MB-2643)<br />

Among the leaf diseases of mungbean, bacterial leaf spot (BLS), Cercopsora<br />

leaf spot (CLS), and leaf reddening are of great economic importance and cause<br />

heavy losses to the crops. Five chemicals were tried for 3 years at two<br />

different locations. Two sprays of Streptocycline + Bavistin followed by 2<br />

sprays of Streptocycline + Bliotox at an interval of 10 days effectively<br />

controlled BLS, CLS and leaf reddening of mungbean. [THHJ<br />

*0044 Nawaz, R.M.S. ; Narayanasamy, P. 1983. Interaction on powdery mildew<br />

and leaf crinkle virus of black gram. MADRAS AGRICULTURAL JOURNAL,<br />

v.70(7):487-488. JEnJ (A:PS)<br />

11

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