IARA Vol. XXV No. 1 Year. 2008 (pdf, 1000 kb) - Pustaka Deptan

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Vol. 25, No. 1, 2008 Indonesian Agricultural Research Abstracts to HaNPV not only increased the effectiveness of insect control but SBM itself could also substitute HaNPV which was unavailable commercially. The study was carried out in the Entomology Laboratory of Indonesian Tobacco and Fiber Crops Research Institute (ITOFCRI) in Malang from March to July 2002. The objective was to find out the compatibility and efficacy of HaNPV+SBM combination against cotton bollworm and its impacts to larval mortality and biological activities. The treatment tested were combinations of HaNPV+SBM based on both sublethal (LC25) and lethal (LC50) concentrations, viz. (1) Control (untreated), (2) SBM(LC25), (3) SBM(LC50), (4) HaNPV(LC25), (5) HaNPV(LC50), (6) HaNPV(LC25) + SBM(LC25), (7) HaNPV(LC25) + SBM(LC50),(8) HaNPV(LC50) + SBM(LC25), (9) HaNPV(LC50) + SBM(LC50). Each treatment was arranged in a randomized block design (RBD) with four replications. Results showed that the combinations of HaNPV and SBM at different concentrations proved to be additive and synergistic interaction. The synergistic interaction was significant when HaNPV(LC50) was combined with + SBM(LC50) with caused ± 80 % of larval mortality. Reducing in larval weight and prolong the larval age were effectively influenced by HaNPV and SBM either alone or combination. 069 INDRAYANI, I G.A.A. Pengaruh kerapatan bulu daun pada tanaman kapas terhadap kolonisasi Bemisia tabaci Gennadius. [Role of trichome density of cotton leaf to colonization of Bemisia tabaci Gennadius]/Indrayani, I G.A.A.; Sulistyowati, E. (Balai Penelitian Tanaman Tembakau dan Serat, Malang (Indonesia)) 2 ill., 2 tables; 29 ref. Summaries (En, In). Jurnal Penelitian Tanaman Industri (Indonesia) ISSN 0853-8212 (2005) v. 11(3): p. 101-106. GOSSYPIUM; BEMISIA TABACI; LEAVES; TRICHOMES; DENSITY; TISSUE ANALYSIS; LEAF AREA; PEST RESISTANCE; PEST CONTROL. Trichome-based host plant resistance offers the potential to reduce chemical insecticides used in insect pest control. Cotton whitefly, Bemisia tabaci can be controlled by using resistant variety based on trichome density as plant morphological characteristics. The study on the role of trichome density of cotton accessions on the colonization of B. tabaci was carried out at Pasirian Experimental Station at Lumajang, and at Entomology Laboratory of Indonesian Tobacco and Fiber Crops Research Institute (IToFCRI) in Malang from April to July 2005. Treatments included 11 cotton accessions, viz. (1) KK-3 (KI 638), (2) Kanesia 1 (KI 436), (3) A/35 Reba P 279 (KI 257), (4) Acala 1517 (KI 174), (5) Asembagus 5/A/I (KI 162), (6) 619-998xLGS-10-77-3-1 (KI 76), (7) DP Acala 90 (KI 23), (8) TAMCOT SP 21 (KI 6), (9) Kanesia 8 (KI 677), (10) CTX-8 (KI 494), and (11) CTX-1 (KI 487). The experiment was arranged in completely randomized design with ten replications. Parameters observed were trichome density, number of eggs and nymphs on one cm square of leaf and adult of B. tabaci on third highest leaf cotton plant. The result showed that trichome density was positively correlated with B. tabaci colonization (R = 0.9701) in which higher trichome density of cotton leaf has resulted in great colonization of B. tabaci. Bemisia tabaci colonization was higher on CTX-1, CTX-8, Kanesia 8, and KK-3 (150-250 individuals/cm 2 of leaf) due to dense trichome (150-300 trichomes/cm 2 leaf) as compared with other accessions, viz. TAMCOT SP 21, DP Acala 90, 619-998xLDS-10-77-3-1, Asembagus 5/A/1, Acala 1517, A/35 Reba P 279, and Kanesia 1 which showed less density of leaf trichome (0-100 trichomes/cm 2 of leaf) and B. tabaci colonization (< 100 individuals/cm 2 of leaf). 070 KARMAWATI, E. Peranan semut (Oecophylla smaragdina dan Dolichoderus sp.) dalam pengendalian Helopeltis spp., dan Sanurus indecora pada jambu mete. [Role of ants (Oecophylla smaragdina and Dolichoderus sp.) in controlling Helopeltis spp. and Sanurus indecora on cashew plant]/Karmawati, E.; Siswanto; Wikardi, E.A. (Balai Penelitian Tanaman Rempah dan Obat, Bogor (Indonesia)) 1 ill., 4 tables; 12 ref. Appendix. Summaries (En, In). Jurnal Penelitian Tanaman Industri (Indonesia) ISSN 0853-8212 (2004) v. 10(1): p. 1-7. ANACARDIUM OCCIDENTALE; OECOPHYLLA; FORMICIDAE; PEST CONTROL; HELOPELTIS; PREDATORS. 32
Indonesian Agricultural Research Abstracts Vol. 25, No. 1, 2008 Insects have important roles in cashew growth and productivity. In Lombok, West Nusa Tenggara, more than 90 kinds of insects have been identified including pest, natural enemies and pollinators. Helopeltis spp. and S. indecora are the main pests in this area. Ants were found as the predator of Helopeltis spp. Nowadays the three kinds of insects sometime exist in one plant, therefore the objective of this research was to find out the interaction among Helopeltis spp., S. indecora and ants. The research was carried out in Sambik Rindang and Sambik Jengkel, West Lombok from May to November 2003. There were 3 activities of research (a) field trial, (b) semi-field trial, and (c) glasshouse trial. In the field trial, the environment conditions were not treated as fixed variables, the observations were done by sampling. This field trial was supported by semifield trial, only one factor was used as a treatment (ants population) that had 3 levels: 0, 5, and 10 colonies per 5 plants. The semifield trial was also supported by glasshouse trial. In this trial 3 factors were used as treatments: ants population, Helopeltis spp. and Sanurus indecora population. The result showed that the main pest found in Sambik Jengkel was different from the main pest found in Sambik Rindang. In Sambik Jengkel, Helopeltis spp. was dominant, while in Sambik Rindang S. indecora. Ants had an important role in controlling Helopeltis population. The data obtained up to October 2003 revealed that the percentage of damaged shoots was less in the ants-infested plant than that without ants. Meanwhile, the population of S. indecora was not affected by ants incidence, however the number of flowers attacked by S. indecora were more in the shoots without ants. If shoots were previously attacked by S. indecora, the ants would not bother the insects, but when there was no Helopeltis spp. in the plant, the ants would attack the nymphs of S. indecora. 071 MARYAM-ABN Evaluasi insektisida nabati terhadap hama Palpita unionalis pada tanaman melati. [Evaluation on the efficacy of some botanical insecticides against Palpita unionalis on Jasminum sp.]/Maryam Abn.; Omoy, T.R.; Mulyana, T. (Balai Penelitian Tanaman Hias, Cianjur (Indonesia)) 1 ill., 2 tables; 13 ref. Summaries (En, In). [Proceedings of the national seminar of floriculture: to develop floriculture industry which have competitive ability through national potential-based technology innovation application]. Prosiding seminar nasional florikultura: membangun industri florikultura yang berdaya saing melalui penerapan inovasi teknologi berbasis potensi nasional/Balai Penelitian Tanaman Hias, Cianjur. Cianjur: Balithi, 2004: p. 386-391. JASMINUM; LEAF EATING INSECTS; BOTANICAL INSECTICIDES; SEED EXTRACTS; ANNONA MURICATA; ANNONA RETICULATA; ANNONA SQUAMOSA; PEST CONTROL; MORTALITY. An evaluation on the efficacy of some botanical insecticides on P. unionalis was held in Entomology Laboratory and in the field of Segunung Horticultural Research Station. The evaluation consists of two main activities: (1) Efficacy in the laboratory and (2) efficacy in the field. The botanical insecticides tested consisted of formulation containing extracts of pond apple seeds (Annona squamosa), buah nona/local pond apple seeds (A. reticulata), soursop seeds (A. muricata), neem leaves (Azadirachta indica), mahogany seeds (Swietenia macrophylla), leaves of Toona sureni, leaves of Tithonia diversifolia, tobacco leaves (Nicotiana tabacum), leaves of Lantana camara and Cinchona bark. The treatments were arranged in a randomized block design with three replications. The result showed that pond apple seeds, buah nona seeds and soursop seeds were the most effective against P. unionalis in laboratory condition and in the field. The results could provide additional support in developing IPM on Jasminum. 072 MOEKASAN, T.K. Kelayakan teknis dan ekonomis penerapan teknologi pengendalian hama terpadu pada sistem tanam tumpanggilir bawang merah dan cabai. [Technical and economical feasibility of integrated pest management technology on intercropping system of shallot and hot pepper]/Moekasan, T.K.; Suryaningsih, E.; Sulastrini, I.; Gunadi, N.; Adiyoga, W.; Hendra, A. (Balai Penelitian Tanaman Sayuran, Lembang (Indonesia)); Martono, M.A.; Karsum 6 ill., 12 tables; 12 ref. Summaries (En,In). Jurnal Hortikultura (Indonesia) ISSN 0853-7097 (2004) v. 14(3): p. 188-203. ALLIUM ASCALONICUM; CAPSICUM ANNUUM; INTERCROPPING; INTEGRATED PEST MANAGEMENT; ECONOMIC VIABILITY; COST BENEFIT ANALYSIS. 33
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