2019 Jul 30;10(8):226. doi: 10.3390/insects10080226. (. ) Rearing of egg parasitoids were analyzed on host eggs of rice moth, Corcyra cephalonica. Zeigler R., Barclay A. Employing release of egg parasitoids within the genus, Trichogramma has been successfully demonstrated worldwide and advocated to be an alternative to chemical insecticides in many crops (Ko et al., 2014;Perera, Hemachandra, & Sirisena, 2015;Senthil-Nathan, Kalaivani, Mankin, & Murugan, 2006; ... We mainly focused on the only egg parasitoids in rice stem borer in this research. Parasitism and Suitability of Fertilized and Nonfertilized Eggs of the Rice Striped Stem Borer, Chilo suppressalis (Lepidoptera: Crambidae), for Trichogramma Parasitoids. ; Mackauer, M. The scaling of body size and mass in a host-parasitoid association: Influence of host species and stage. The tricho-cards were. The project also considered the potential for Trichogramma spp. Potassium silicate (68% Si, 500 kg/feddan), as basal after last tillage or magnesium silicate (62% Si, 2 kg /feddan), as a spray 20 and 40 days after transplanting achieved (58.25 and 45.31%) white head reduction, respectively, due to borer infestation. In a field test conducted using yellow stem borer eggs, parasitism by T. japonicum (9%) and T. chilonis (15%) was similarly low, ... Because, the effectiveness of Trichogramma spp. O’Shannassy, T.O. In the field tests, parasitism of sentinel striped stem borer eggs by Trichogramma strains released at 50,000, 100,000, and 200,000 wasps per hectare was low, with marginal yet significant differences between strains. In the laboratory glass vial tests, all strains showed higher parasitism rates on 0‐24-h eggs than on the two older age groups (24‐48 and 48‐72 h). Two species of Trichogramma wasps were assessed for their effectiveness against yellow stem borer Scirpophaga incertulas. Ther, In total, 370 YSB egg masses were recollected fr, masses and 90 were naturally laid. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/). Get the latest public health information from CDC: https://www.coronavirus.gov. Phytopathology. It is furthermore well, were taken, dispersal over 10–20 m can happen, eggs in the present study provide some evidence that, wasps may have had difficulties to find egg masses because they were placed, females only parasitized a small proportion, wasps toward YSB. A laboratory cage test with T. japonicum and T. chilonis showed that both species parasitized yellow stem borer egg masses at 60.0% ± 9.13% and 40.7% ± 7.11%, respectively, with egg parasitism rates of 15.8% ± 22.2% for T. japonicum and 2.8% ± 5.0% for T. … Saitou, N.; Nei, M. The neighbor-joining method: A new method for reconstructing phylogenetic trees. Stireman, J.O. during the length of the experiment than would be anticipated from the release rate. The following assessment suggests that further promotion of IPM adoption among farmers is needed to upscale the already positive effects of interventions that facilitate reductions in synthetic pesticide use, and the effects on sustainable agricultural production of rice and maize in the target area more generally. This included 43 egg masses from control plots, 165 from. ; Li, Z.Q. No clear conclusion could be drawn, on the most efficient release rate as no significant differences wer, wasps, suggesting potentially higher effectiveness on yellow stem borer eggs after at least one. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. 1):S1–S45. Evaluation of different doses of, Shi, P.; Zhong, L.; Sandhu, H.S. Saleh, D.; Milazzo, J.; Adreit, H.; Fournier, E.; Tharreau, D. South-East Asia is the center of origin, diversity and dispersion of the rice blast fungus, Su, J.; Zhang, Z.; Wu, M.; Gao, C. Geographic susceptibility of. Get the latest research from NIH: https://www.nih.gov/coronavirus. lowest correlations among themselves, were used. A method for investigation parasitism rate for yellow stem borer eggs. The emerged, Cage tests were conducted to assess the capacity of, eggs. Greater Mekong Subregion (GMS): Context. Biological suppression of YSB, using egg parasitoid, Trichogramma japonicum, has been well demonstrated. doi: 10.1016/j.rse.2004.12.009. O’Shannassy, T.O. However, the mechanisms involved in terms of emission of long‐ and short‐chain volatile chemicals from YSB and its by‐products and YSB damaged rice plants in attraction to T. japonicum to locate eggs of YSB are still poorly understood. A set of environmental and The optimal…, Parameters indicating performances of T.…, Parameters indicating performances of T. japonicum and T. chilonis in the cage test.…, Results from field experiment to assess yellow stem borer (YSB) parasitism rates of…, Comparison of body length, ovipositor length and hind tibia length among Trchogramma species/strains…, NLM The full text of this article hosted at iucr.org is unavailable due to technical difficulties. Public Health, Johnston, R.; Hoanh, C.T. in a plot at nine points that were 10 m apart from each other, On the same day when the blackened (ready-to-emerge) tricho-cards wer, egg masses less than 24 h old were placed in the plots. HHS The Effects of Temperature and Host Age on the Fecundity of Four Trichogramma Species, Egg Parasitoids of the Cnaphalocrocis medinalis (Lepidoptera: Pyralidae). Find support for a specific problem on the support section of our website. This site needs JavaScript to work properly. Immature duration of T. chilonis was only significantly extended by nitenpyram applied to egg stage than the control. Song, K.; Tang, R.; Babendreier, D.; Zhang, F.; Hou, M.L. Iwmi Res. fields. where rice accounts for 88.7% of the total agricultural acreage [, Southwest of China, and is considered to be part of the Greater Mekong Subregion, together with, ]. Both versions are available from www.megasoftware.net free of charge. Body length, ovipositor length and hind tibia length were measured under a stereo, was 94.5%, which was not significantly different from that of, , with no difference observed between the two, ere the wasps had been reared for >20 generations, . Jin, J.Y. Felsenstein, J. See this image and copyright information in PMC. MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. We thank the local Agriculture Extension Service Station in Husa for providing. The tree is drawn to scale, with branch, evolutionary distances used to infer the phylogenet, using the Maximum Composite Likelihood method [44] and are in the units of the number of base, global change and agricultural shifts: A framework of. Chemical control of YSB is challenging and often less effective due to its cryptic larval feeding behaviour inside the rice culm. Comparison of data from sentinel and naturally laid YSB eggs. ) Green circles indicate releasing points in each plot. Like most websites we use cookies. -, Johnston R., Hoanh C.T., Lacombe G., Noble A., Smakhtin V., Suhardiman D., Pheng K.S., Sze C.P. -, Savary S., Mila A., Willocquet L., Esker P.D., Carisse O., McRoberts N. Risk factors for crop health under global change and agricultural shifts: A framework of analyses using rice in tropical and subtropical Asia as a model. First of all, it cannot be ruled out that the, mal conditions during transportation of the tricho-, y here was below optimum. 2013;44(Suppl. February 2017; Insects 8(1) DOI: 10.3390/insects8010019. Biological control of insect pests using egg parasitoids includes over 11 taxonomic orders (Vinson, 1976). Rui Tang, Babendreier Dirk, Mao-Lin Hou and Feng Zhang developed the manuscript. 2015 Feb;108(1):69-76. doi: 10.1093/jee/tou053. ; Fazeli-Dinan, M.; Zibaee, I.; Sendi, J.J.; Maleki, F. Desneux, N.; Decourtye, A.; Delpuech, J.M. A new method called the neighbor-joining method is proposed for reconstructing phylogenetic trees from evolutionary distance data.
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