Spodoptera litura reared on different host plants and assayed against SlNPV KETAHANAN SERANGAN HAMA ULAT GRAYAK (SPODOPTERA LITURA F.). Hama Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) merupakan hama penting pada tanaman bawang di Indonesia. Pengendalian hama ini dengan. Potensi Jamur Entomopatogen Untuk Mengendalikan Hama Ulat Grayak ( Spodoptera litura) Fabricius (Lepidoptera: Noctuidae) Pada Tanaman Tembakau di.
|Published (Last):||2 October 2012|
|PDF File Size:||10.17 Mb|
|ePub File Size:||4.52 Mb|
|Price:||Free* [*Free Regsitration Required]|
Each treatment was infested with one instar I armyworm larva. Eulophidaeand Incamyia chilensis Aldrich Diptera Tachinidae.
The goal of this work is to investigate the effect of gamma radiation on the Entomopathogenic nematodes, Steinernema scapterisci and Heterorhabditis bacteriophora Poinar HP88 efficacy were tested against larvae of cotton leaf worm, Spodoptera littoralis Boisd. We determined the efficacy of Ailanthus altissima extracts, obtained using solvents of various polarity, in terms of acute and chronic toxicity, antifeedant efficacy and larval growth inhibition of Spodoptera littoralis.
Pyruvate was enriched in the pupal midgut. Damage on corn plants at seven and 14 days after S. This research consisted of two parts which aimed to find out the intensity of damage to the leaves and the influence of soybean on the biological aspect of armyworms. Larval development and survival were analyzed by infesting leaves of maize, grain sorghum, Johnson grass, soybean, Brachiaria and tobacco with FAW newly hatched larvae in a no choice test.
Major host plants on which it thrived for maximum period were Gossypium hirsutum L.
spodoptera litura larvae: Topics by
Then, based on these results, the efficacy of the selected doses, Gywas evaluated on the metamorphosis, degree of malformation and reproductive behaviour of S. View original from jhpttropika. Hatching rates in all treatments significantly decreased in a dose-dependent manner in the three successive generations.
The host suitability to FAW decreases from maize to sorghum, soybean and Brachiaria. The LC50 Lethal concentration were observed at 0.
Research involving plants with insecticide activity evolved significantly in the last decades. Parasitoid responses were examined on two different hosts C.
Noctuidaeknown commonly as fall armyworm, it is would originate of the tropical and subtropical areas of the American continent; its economical importance is due polyphagism, attacking countless grassy, such as corn, sorghum, wheat, barley, rice and pastures. Full Text Available Hexane, chloroform, and ethyl acetate extracts of Couroupita guianensis leaves were studied for ovicidal activity against S.
The highest accumulative radial growth was obtained from the strain B Pre-treatment of Sf9 cells with chaetocin speeded up viral DNA replication, and increased the transcription level of a variety of virus genes, whereas in Sf9 cells pre-transformed with Su var expression vector, viral DNA replication slow down slightly.
Moreover, the nuclei were strongly influenced by Zn stress, evidenced by chromatin condensation and irregular nuclear membranes. Growth media used for producing B. Atmospheric CO2 level arising is an indisputable fact in the future climate change, as predicted, it could influence crops and their herbivorous insect pests.
Spodoptera litura is a widespread polyphagous insect pest that can develop resistance and cross-resistance to insecticides, making it difficult to control.
The neem efficiency depends on the target insect and on the concentration used. Although, all the three toxin genes shlA, phlA and swr could be detected in both the S. Twenty five early fourth instar larvae of S. F-1 sterility technique, the present attempt was made to study the effect of a safe chemical azadirachtin for the effective management of lepidoteran pest, S.
Irradiation had a negative correlation with survival and weight gain during the course of development that in turn bore a positive relation with the increase in radiation dosage. When the herbivorous insect Spodoptera litura Fabricius larvae were fed on spodoptsra artificial diet with different concentrations of Zn, amounts of. The impact of a Compositae annual weed, Synedrella nodifl ora Gaertn.
RNAi knockdown of SlituCSP18, followed by feeding with chlorpyrifos or fipronil, decreased survival rates of male moths significantly compared with controls. Azadirachtin was applied topically, hsma injection or oral administration.
Radiation induced F1 sterility in diamondback moth, Plutella xylostella L. Amongst these criteria, selection based on virulence and germination rate lead to the selection of B. Finally, the ML tree did not cluster S. The histological material was prepared by using parafin method after fixation with Bouin Solution, then slice into 7 um and colored with Hematoxilin-Eosin.
In the laboratory, larvae were distributed in individual rearing containers with artificial diet until the end of the biological cycle. These values are significantly higher than those reared on S.
A small isometric virus has been isolated from larvae of the sweetpotato pest Spodoptera eridania Cramer collected near Pariacoto, Ancash province, Peru.