TRANSMISSION OF PYTHIUM-APHANIDERMATUM TO GREENHOUSE CUCUMBER BY THE FUNGUS GNAT BRADYSIA-IMPATIENS (DIPTERA, SCIARIDAE)

被引:58
作者
JARVIS, WR
SHIPP, JL
GARDINER, RB
机构
[1] Agriculture Canada, Research Station, Harrow, Ontario
关键词
CUCUMBER; FUNGUS GNAT; PYTHIUM-APHANIDERMATUM; DAMPING-OFF; CUCUMIS-SATIVUS; TRANSMISSION;
D O I
10.1111/j.1744-7348.1993.tb04010.x
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The fungus gnat (Bradysia impatiens) was examined for its ability to transmit Pythium aphanidermatum to cucumber plants. Larvae that had ingested oospores and mycelium, and then fed on the roots of young cucumber plants growing in rockwool readily introduced the fungus to them. Trans-stadial transmission of oospores from the larval to the adult stage of B. impatiens was demonstrated, although decreasing to a very low level (1.67%) in adults. However, external transmission of P. aphanidermatum on the surface of adults could not be shown. These results suggest that the larval stages of fungus gnats play a role in the dissemination of the fungus between cucumber plants but that adults probably play only a minor role.
引用
收藏
页码:23 / 29
页数:7
相关论文
共 18 条
[1]  
ANAS D, 1988, PHYTOPROTECTION, V69, P73
[2]   OBSERVATIONS OF FUNGUS GNAT DAMAGE TO GLASSHOUSE CUCURBITS [J].
DENNIS, DJ .
NEW ZEALAND JOURNAL OF EXPERIMENTAL AGRICULTURE, 1978, 6 (01) :83-84
[3]   PYTHIUM SPP ASSOCIATED WITH CROWN ROT OF CUCUMBERS IN BRITISH-COLUMBIA GREENHOUSES [J].
FAVRIN, RJ ;
RAHE, JE ;
MAUZA, B .
PLANT DISEASE, 1988, 72 (08) :683-687
[4]   ASSOCIATION OF BOTRYTIS-CINEREA WITH GRAPE BERRY MOTH LARVAE [J].
FERMAUD, M ;
LEMENN, R .
PHYTOPATHOLOGY, 1989, 79 (06) :651-656
[5]   INGESTION OF PYTHIUM SPP BY LARVAE OF THE FUNGUS GNAT BRADYSIA-IMPATIENS (DIPTERA, SCIARIDAE) [J].
GARDINER, RB ;
JARVIS, WR ;
SHIPP, JL .
ANNALS OF APPLIED BIOLOGY, 1990, 116 (02) :205-212
[6]   INGESTION-EGESTION AND AERIAL TRANSMISSION OF PYTHIUM-APHANIDERMATUM BY SHORE FLIES (EPHYDRINAE, SCATELLA-STAGNALIS) [J].
GOLDBERG, NP ;
STANGHELLINI, ME .
PHYTOPATHOLOGY, 1990, 80 (11) :1244-1246
[7]   PYTHIUMS AS PLANT PATHOGENS [J].
HENDRIX, FF ;
CAMPBELL, WA .
ANNUAL REVIEW OF PHYTOPATHOLOGY, 1973, 11 :77-98
[8]   SURVIVAL OF VERTICILLIUM-ALBO-ATRUM FROM ALFALFA IN FECES OF LEAF-CHEWING INSECTS [J].
HUANG, HC ;
HARPER, AM .
PHYTOPATHOLOGY, 1985, 75 (02) :206-208
[9]  
HUSSEY NH, 1969, PESTS PROTECTED CULT, P65
[10]  
JENKINS SF, 1983, PLANT DIS, V67, P968, DOI 10.1094/PD-67-968