Abstract
The objective of the research was to study sex ratio and oviposition sequence of egg parasitoid Trichogramma chilotraeae in relation with host density under laboratory condition. Parasitoid response with respect to oviposition sequence was examined by exposing five different host (egg) densities: 3, 6, 12, 24 and 48 on female parasitoids T. chilotraeae. Results showed that in general, female parasitoid laid its female progeny at the beginning of oviposition sequence. Host density was found to have a strong effect on sex ratio. Sex ratio increase with increasing of host number.
Highlights
BAIIAN DAN METODEPenelilis ili dilalsanakm pada bdm Juni 2005 smpai denga lebrud 2006, bertmpat di LaboaloriM Bioekoloei Pessiloid dan Pcdalor.
Pdaitoid y&g digunatan pada peneliti ini bsel dtui aeal per l,nmd tubis di dcnh Pmgalengd.
Koleksi parasitoid dilalukn lrelonpok-k€lonpok lelu Llrk.ra ry/oiella yas ada pada dam kubis n€ngedalan tatrge (rzd p,ir,i,s retlDd).
Summary
Penelilis ili dilalsanakm pada bdm Juni 2005 smpai denga lebrud 2006, bertmpat di LaboaloriM Bioekoloei Pessiloid dan Pcdalor. Pdaitoid y&g digunatan pada peneliti ini bsel dtui aeal per l,nmd tubis di dcnh Pmgalengd. Koleksi parasitoid dilalukn lrelonpok-k€lonpok lelu Llrk.ra ry/oiella yas ada pada dam kubis n€ngedalan tatrge (rzd p,ir,i,s retlDd). Telu reg i(kMpul dibawa ke labodtorim d diirlubadkd smpai p@iloid nbcul dei relu yaDg ter!&6it. Peaitoid kenudim dikdbmgbia*kd pada blu i@g p.tCE at Corcrra cephalonia sroinron (Lepidopr€P: Pr%lidae). Pi6 slanjumrt dinsulld dalm rabms Edl6i untuk dipapake pada leditoid. Id€n dd belira pada sMru ralbg pmbiaks bdbentut silind$ dose basie tulu!. Sebagid lagi dieuDkan utu( pdbertd p@itoid d& sebagi& laimya utut c perbdyale cephalonica sendin d€ngm cm benabuto telu lada wdah y"ng berti cmpnfu dedat de S€bagie telu dieutuie utul b€hd peneliritu. sebagid lagi dieuDkan utu( pdbertd p@itoid d& sebagi& laimya utut c perbdyale cephalonica sendin d€ngm cm benabuto telu lada wdah y"ng berti cmpnfu dedat de
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