3 research outputs found
Pengaruh Abu Limbah Serai Dapur dan Tepung Bawang Putih Terhadap Hama Gudang Callosobruchus analis F. (Coleoptera; Bruchidae)
Experiments were conducted in the Entomological Laboratory of the Research Institute for Spice and Medicinal Crops, Bogor from July to September 1994. The objective was to investigate the effect of wasted lemon grass ash and garlie powder on stated product insect C. analis. The experiment was designed in a factorial with 2 factors and 3 replications. The two factors were lemon grass ash and garlic powder applied at 0, 1 and 2 % (w/w). The insect used in this experiment was adult aged one day old, from rearing in the laboratory. The result showed that mungbean seeds mixed with lemon grass ash and garlic powder at 1 and 2 % (w/w) and their combinations alfected the insect mortality and inhibited oviposition on the seed surface. The effect of lemon grass ash was higher and faster compared to garlic powder on the base of mortality and inhibition of oviposition
Pengaruh Tusukan Helopeltis Antonii Terhadap Pertumbuhan Ranting Jambu Mente
The effect of Helopeltis antonii punctures on twigs of cashew plant.An experiment to study the effect of H. antonii punctures on twigs of cashew plant was conducted at Bali Anacardia Plantation, Sukadana village, Kubu district, Karangasem, Bali from July to September 1994. Ten flowering/fruiting cashew trees, five years old were selected for the experiment. Six dying and living twigs (25 cm length) were randomly sampled from each tree. Every twigh was then classified into four parts, growing point, top, middle and bottom parts. The number of Helopeltis punctures were observed once, while further development of the twig were observed every week. Results of the observation showed that a puncture on the growing point caused the death of the upper twig. However the attack on top, middle and bottom parts of the twigg did not affeet the twig
Pengaruh Cara Aplikasi Minyak Suling Melaleuca Bracteata Dan Metil Eugenol TerhadapDaya Pikat Lalat Buah Bactrocera Dorsalis = Effect Of Application Method Of Oil Distilled From Melaleuca Bracteata Leaves And Methyl ...
Research has been conducted at farmer\u27s fruit garden in Cilebut area, Bogor during 1997-1998 The objective is to know the effect of some application techniques of oil destined from Melaleum bracteata leaves on trapping fruit fly. Research consisted of three activities, those were the effec of some techniques of application on trapping fruit flies (1) weekly, (2) in two weeks and (3) the effect of some concentrations of methyl eugenol (ME) on trapping fruit fly. All treatments wen hung at the fruit trees as high as 1.5 tn. Observations were done in the number and gender of frui flies trapped weekly and Iwo-weekly. Result revealed that melaleuca distilled oil can be applied either by dropping into water or into cotton ball. Melaleuca leaves distilled oil should be applied once in two weeks, since its effectiveness lasted for two weeks only. The minimum concentratiot of methyl eugenol which could trap fruit flies effectively was 57%.
Key words : Melaleuca bracteata, Bactrocera dorsali
