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1996. 1984 4 274-281 KayumiJun-ichi KAYUMI, Keizi KIRITANI. By continuing you agree to the use of cookies. 2001) suggests that ‘Jefferson’ has retained a moderate level of resistance to the rice water weevil over a relatively long period of time in both high and low weevil pressure areas in Louisiana. 1996. Analysis of data from both choice and no-choice tests showed that numbers of late instars and pupae differed significantly among varieties, suggesting presence of antibiosis in some cultivars. 2004. The earliest record of damage by this insect was published in a report by the Commissioner of Ag… Control of weevils involves locating and removing all potentially infested food sources. Annual Review of Entomology. The least number of root weevils (3.67 and 3.13) were observed in comparison to no root weevil management practice (23.53 and 32.53) during 2013 and 2014, respectively, from the treatment of seedlings prior to transplanting with chlorpyriphos at 3 mL/L of water followed by soil application with cartap hydrochloride at 20 kg/ha. Immature weevil densities at Lake Arthur site showed patterns similar to those at the Crowley site. Its coloring is similar to the rice and maize weevils: reddish brown to black. 2004) and more recently it has spread to the region of Central Macedonia, Greece (Giantsis et al. In: Thomas E. Mittler, Frank J. Radovsky, Vincent H. Resh (editors). Predatory behavior of jumping spiders. 1994c, Stout and Riggio 2003). I. The cylindrical cages fitted snugly in pots, and each cage had two mesh-covered windows to let water move through them. Assessment of Yield Loss Due to the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae). 1996. Habibuddin H., K.Hadzim, O.Othman, and Y.Azlan. In 2014, seven varieties from 2013 were reevaluated, with the conventional long-grain ‘Mermentau’ added. Lanka S. K., D. C.Blouin, and M. J.Stout. Determination of the Instar of the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae) by the Widths of the Head Capsule. Volume 41, 501 pages. 3). However, Rice weevils can be found eating just about anything in the home. 1985. Data from field evaluations over several years at two locations allowed us to assess the stability of expression of resistance. In: Thomas E. Mittler, Frank J. Radovsky, Vincent H. Resh (editors). ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. On-farm management practices against rice root weevil (. 1996. 2014). In: Thomas E. Mittler, Frank J. Radovsky, Vincent H. Resh (editors). The rice weevil (Sitophilus oryzae) is a stored product pest which attacks seeds of several crops, including wheat, rice, and maize. Different uppercase and lowercase letters represent significant differences among means for Core1 and Core2, respectively (α = 0.05). In: Thomas E. Mittler, Frank J. Radovsky, Vincent H. Resh (editors). In Louisiana, 5 to 30% of the rice harvest is lost in untreated fields (Stout et al. We found significant variation in susceptibility among the rice varieties tested in all experiments, with densities of immature weevils on the most susceptible variety in each experiment 60 to 300% higher than densities of immature on the least susceptible variety. 1966). One species of weevil, Austroplatypus incompertus, exhibits eusociality, one of the few insects outside the Hymenoptera and the Isoptera to do so. Rice weevils in all stages of development can be killed by freezing infested food below -18 °C (0 °F) for a period of three days, or heating to 60 °C (140 °F) for a period of 15 minutes. The first approach involves the prophylactic use of insecticidal seed treatments that primarily target the larval stage of the rice water weevil. Mean numbers of rice water weevil immatures (larvae and pupae) per core ± SE in field evaluations at Rice Research Station (Crowley) during 2013 (A), 2014 (B), 2015 (C), 2016 (D), and 2017 (E). 1996. Annual Review of Entomology. Pages 45-73. Stout M. J., W. C.Rice, S. D.Linscombe, and P. K.Bollich. Japanese Journal of Applied Entomology and Zoology 29 (1): 67-72. The variety ‘Jefferson’ was found to support larval densities 6–70% lower than other varieties, while ‘Jupiter’ often supported higher larval densities. Studies on the Population Dynamics of the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae). Discontinuous gas exchange in insects. The resistance of commercial rice (Oryza sativa L.) varieties widely grown in Louisiana was assessed against the rice water weevil, Lissorhoptrus oryzophilus Kuschel (Coleoptera: Curculionidae), the major insect pest of rice in the United States, in a 5-yr field study that included conventional inbred, herbicide-tolerant, and hybrid varieties. Please consider upgrading your browser to the latest version or installing a new browser. These results indicate that presence and abundance of adults or scarring cannot be used to determine a need for adulticides. The benefit:cost (B:C) ratio was also determined from the marketable yield and cost of treatments incurred in the technology to justify the economic viability of the appropriate technology management against E. oryzae. The effects of four insecticides on the population dynamics of the rice water weevil, Identification of rice cultivars resistant to, The impact of planting date on management of the rice water weevil in Louisiana rice. It furthers the University's objective of excellence in research, scholarship, and education by publishing worldwide, This PDF is available to Subscribers Only. In addition, the results of this study confirm that medium-grain varieties bred in the United States tend to be more susceptible than long-grain varieties (Stout et al. In 2015, 2016, and 2017, significant differences in larval densities were only found in the second core samplings. Sexual receptivity in insects. Japanese Journal of Applied Entomology and Zoology 27 (4): 252-260. William T. Wcislo, James H. Cane. 2009, Liu et al. Japanese Journal of Applied Entomology and Zoology 26 (4): 237-241. Effectiveness of Nursery Box-Treatment with Cartap Granules Against the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae). Fields used in this series of experiments have been in rice-fallow rotation for over 20 yr. 1985. The rice weevil (Sitophilus oryzae) is a stored product pest which attacks seeds of several crops, including wheat, rice, and maize. Determination of the Instar of the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae) by the Widths of the Head Capsule, Analysis of Damage of Rice Plants Injured Artificially by Cutting off Leaves to Simulate the Feeding of the Rice Plant Weevil, Echinocnemus squameus BILLBERG: Relation between Leaf Injury and Yield Loss, Forecast of the Time of Occurrence of the Overwintered Adults of the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curclionidae) at Hibernating sites, Overwintering of the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae) under Snow and Freezing Conditions at a High Elevation, Hirsutella jonesii (SPEARE) EVANS et SAMSON (Moniliales: Stilbaceae) Attacking the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae, Insect pests of beans in Africa: their ecology and management, Ecology of insect communities in nontidal wetlands, Living on leaves: mites, tomenta, and leaf domatia, The role of macroinvertebrates in stream ecosystem function. Mean (±SE) numbers of eggs, 1st instars, and late instars in choice and no-choice greenhouse experiments investigating ovipositional preference for eight rice varieties, Baton Rouge, Louisiana, 2016. We use cookies to help provide and enhance our service and tailor content and ads. 1983. Hirsutella jonesii (SPEARE) EVANS et SAMSON (Moniliales: Stilbaceae) Attacking the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae). None of the measured traits were significantly related to ovipositional preference. Murray S. Blum. Plant Health Study Av. Influence of Diflubenzuron on Oviposition and Hatching in the Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL (Coleoptera: Curculionidae). The same nine rice varieties used at the Crowley site were planted each year at the Lake Arthur site (Table 1).

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