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All Journal Jurnal Penelitian Tanaman Industri Perspektif : Review Penelitian Tanaman Industri Jurnal Penelitian Tanaman Industri (Littri)
IKA MUSTIKA
Balai Penelitian Tanaman Rempah dan Obat
Agriculture, Biological Sciences & Forestry Education Industrial & Manufacturing Engineering

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Journal : Jurnal Penelitian Tanaman Industri (Littri)

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PENGARUH AZADIRACHTIN A TERHADAP SERANGGA Dolleschalia polibete AGUS KARDfNAN; IKA MUSTIKA; MOMO ISKANDAR; CUCU SUKMANA
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.8-12

Abstract

Research on the effect of azadirachtin A isolated from neem tree (Azadirachla tndica A Juss) on msect Dolleschalia polibete. the most poten¬ tial insect destroying Graptophyllum pictum crop was caried out at the Entomological laboratory duing November 1997 to May 1998 The objective of the research was to evaluate the effect of azadirachtin A on some biological aspects of D. polibete. The formulation was obtained from FID Parry Ltd. (India), containing 1% azadirachtin A. The concentration recommended was 2-4 ml of formulation It of water or equal to 20-40 ppm of azadirachtin A The insects tested were obtained by reaing them in a screen house. Research was arranged in a completely randomized design, and randomized block design (for ovicidal). 6 treatments and 4-6 eplications. The treaments were concentrations of azadirachtin A (I) 80 ppm (2) 40 ppm (3) 20 ppm, (4) 10 ppm. (S) 5 ppm and (6) 0 ppm. Research consisted of three activities, i.e. effect of neem extract on (1) insect mortality and the survival rate. (2) as antifeedant, and (3) asovicidaon the insect. Results showed that azadirachtin A killed the insect slowly, it needed 3-10 days. Azadirachtin A acted as a growth inhibitor shown by the fact that at 5 and 10 ppm azadirachtin A, some pupae became malformed adults and other pupae died in a failed molt attempt Azadirachtin functioned as an antifeedant on some adult insects where the pupae were malformed and died on antifeedant and inhibit about 40% of feeding deference. Azadirachtin A also acted as an ovicidal inhibited about 50% egg-hatching.
TANGGAP BEBERAPA KLON NILAM (Pogostemon cablin Benth.) TERHADAP NEMATODA PELUBANG AKAR (Radopholus simitis Cobb.) YANG NURYANI; CHEPPY SYUKUR; RITA HARNI; YELNI TITIS; REPIANYO REPIANYO; IKA MUSTIKA
Jurnal Penelitian Tanaman Industri Vol 5, No 3 (1999): Desember, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n3.1999.103-108

Abstract

Response of some patchouli clones (Pogostemon cablin Benth.) to burrowing nematode (Radopholus similis Cobb.)One of the seious poblems on patchouli is infection of plant parasitic nematode. Nine clones of Aceh patchouli (Pogostemon cablin Benth.) namely KJ (oiginated from tissue cultue) Meulaboh-2, Sidikalang, Lhokseumawe-2, Cisaroni . Cirateun, Tapak Tuan. Aceh Merah. Situak-2, and one clone of Java patchouli (P. heyneanus Benth.) namely Giilaya, were tested to infection of buowing nematode (Radopholus similis Cobb.) in the glasshouse of Research Institute for Spice and Medicinal Crops, Bogor fom July to November 1997. Each clone was inoculated with 500 of R. similis. An expeiment have been conducted to know the esponse of some patchouli cultivars against nematode. The expeiment was arranged in a Completely Randomized Design with thee replicates. The esults showed that the infection of R. similis reduced root weight greater than that of shoot weight, the colour of leaf became reddish or dark purple. Based on the development rate of nematode and level of damage, Giilaya appeared to be resistant, whereas Sidikalang, Cisaroni and Situak-2 clones wee slightly susceptible. KJ. Lhokseumawe-2, Cirateun. Tapak Tuan and Aceh Merah clones were susceptible, whereas Meulaboh-2 were highly susceptible against R. similis. Characteistic of Java clone that esistance and Aceh clone that shyhtly susceptible to R. similis may be useful for providing new vaieties with high content of oil and resistant to nematode.
Co-Authors AGUS KARDfNAN Cheppy Syukur Cucu Sukmana Momo Iskandar REPIANYO REPIANYO RITA HARNI YANG NURYANI YELNI TITIS