PNABD246.pdf
PNABD246.pdf
PNABD246.pdf
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the virus. In the unprotected plots, the mungbean strain with greatest virus<br />
injury had only 16% of the height, 9% of the branch length, 9% of the leaf<br />
size, and 5% of the dry weight index of the resistant strain. In the cages the<br />
same susceptible strain had 91% of the height, 106% of the branch length, 65%<br />
of the leaf size, and 114% of the dry weight index of the resistant check. [AS]<br />
*0272 Iwaki, M. 1978. Seed transmission of a cucumber mosaic virus in<br />
mungbean (Vigna radiata). PHYTOPATHOLOGICAL SOCIETY OF JAPAN, ANNALS,<br />
v.44(3):)37-339. [En] kREP.MB-1958)<br />
The paper describes a mosaic virus disease observed on some introduced<br />
mungbean cultivars. The particle morphology, symptomatology on various test<br />
species, transmissibility by aphids and seeds, and serology suggest the virus<br />
is a strain of cucumber mosaic virus. Since many mungbean cultivars are not<br />
invaded systemically by this virus, seed transmission should not occur, and,<br />
therefore, the virus should not seriously affect mungbean production in the<br />
area. [EMS]<br />
*0273 Purivirojkul, W. ; Sittiyos, P. ; Hsu, C.H. ; Poehlman, J.M. ; Sehgal,<br />
o.P. 1978. Natural infection of mungbean (Vigna radiata) with cucumber mosaic<br />
virus. PLANT DISEASE REPORTER, v.62(6):530-534. LEnJ [En Abst] (REP.MB-1921)<br />
Cucumber mosaic virus caused serious damage to mungbean (Vigna radiata)<br />
plants grown at the University of Missouri, Agronomy Research Center at<br />
Columbia during the past several years. The affected plants showed pronounced<br />
mosaic, leaf deformities, stunting and, occasionally, flower abortion and pod<br />
distortion. The causal virus was transmitted readily with sap inoculation and<br />
was seed-borne in mungbeans (0.61%). It was acquired and transmitted by the<br />
cowpea aphid (Aphis craccivora) during brief probes. Identity of the causal<br />
virus was confirmed with host range, electron microscopy, and serology. [AS]<br />
- Others<br />
*0274 Hartley, C. ; Haasis, F.W. 1929. Brooming disease of black locust<br />
(Robinia pseudacacia). PHYTOPATHOLOGY, v.19:162-166. [En] (REP.MB-2392)<br />
This paper deals with a witches' broom disease of black locust (Robinia<br />
pseudoacacia). Similar witches' broom diseases have been reported on Vigna<br />
mungo and other crops in Java. LTHH]<br />
*0275 Dale, W.T. 1943. Preliminary studies of the plant viruses in<br />
Trinidad. TROPICAL AGRICULTURE, v.20(12):228-235. [En] (REP.MB-2805)<br />
The paper deals with plant viruses encountered in Trinidad: cowpea mosaic<br />
virus, cbmmon bean mosaic virus, tobacco mosaic virus, and other suspected<br />
viruses. Vigna radiata and V. mungo were easily infected by cowpea mosaic<br />
virus, whereas inoculation with common bean mosaic virus failed to cause<br />
infection. [EMS]<br />
71
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