an aphid, Aphis craccivora Koch to evaluate the toxic and repellent effects under laboratory condition in the Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur during September 2016 to January 2017. A. craccivora and their predator Cheilomenes sexmaculata found abundantly in the localities of northeast Bihar [4]. Host odour preference of Aphis craccivora Journal of Biopesticides 3(1 Special Issue) 405 - 407 (2010) 405 Olfactory response of cowpea aphid, Aphis craccivora Koch, to host odours and population of conspecifics J. Jaba*, B. Haseena, S. Tripathy, A. C. Hosamani and Y. S. Amaresh BEHAVIOR Stylet Penetration Activities by Aphis craccivora (Homoptera: Aphididae) on Plants and Excised Plant Parts of Resistant and Susceptible Cultivars of Cowpea (Leguminosae) I. BILLY ANNAN,1 WARD M. TINGEY, GEORGE A. SCHAEFERS,2 W. F. TJALLINGII,3 ELAINE A. BACKUS,4 AND K. N. SAXENA5 Department of Entomology, Insectary, Cornell University, Ithaca, NY 14853—2604 in Yardlong Bean and Cowpea by Microsatellite Markers Author Mr. Somsak Potarot Major Program Plant Science Academic Year 2011 ABSTRACT The cowpea aphid (Aphis craccivora Koch.) These insects directly damage the plants by sucking the phloem, and indirectly by virus transmission and excretion of excess carbohydrates from their diet of Efisiensi Penularan Virus Mozaik Bengkuang dengan Aphis craccivora Koch. Aphis craccivora. Further several studies have been made on its biology and predatory efficiency [5-7]. APHIS CRACCIVORA KOCH. Berdasarkan uji patogenesitas pada Aphis craccivora untuk dapat membunuh 50%, dan 75% dibutuhkan kerapatan konidia B. basiana yang lebih sedikit dibandingkan dengan isolat M. anisopliae. 2005). Benchasri, S., C. Bairaman and C. Nualsri. 2012) and Aphis craccivora Koch (Hemiptera: Heteroptera: Aphididae) (Moraes and Ramalho 1980) are serious crop pests in Brazil. Tri Asmira Damayanti* Endah Muliarti* Dewi Sartiami* *Departemen Proteksi Tanaman, Fakultas Pertanian IPB Jl. 2009). Klasifikasi dan Morfologi Kutu Daun (Aphis gossypii) – Hama Kutu Daun atau dikenal Hama Aphid memiliki nama latin Aphis gossypii, dengan famili Aphididae adalah hama penghisap yang sangat membahayakan tanaman, hama ini juga sebagai vektor penularan berbagai macam virus.Hama ini menyerang pada musim kemarau, pada fase awal pertumbuhan tanaman. The experiment was conducted in terms of age-specific functional response to the varying density (5, 10, 20, 40, 60 and 80) of third instar nymphs of Aphis craccivora (Koch) at 23 ± 1 °C, 70 ± 5% R.H. and a photoperiod of 16: 8 h (L: D). The mortality of cowpea aphid (Aphis craccivora), due to the treatment of chemicals ranged from 50 to 98%. Aphis craccivora (Koch) and Aphis gos-sypii (Glover) (Pervez and Omkar 2004 and Omkar and Mishra 2005), whereas their development and reproduction are negatively affected, when fed on aphids containing toxic biochemical constituents. This research covers multiplication A. craccivora long bean, multiplication B. bassiana in the laboratory 2012. RESPON PERKEMBANGBIAKAN Aphis craccivora Koch. is an insect that causes considerable damage to the production of yardlong bean in many countries. Kemudian kutudaun dipindahkan pada tanaman sakit dan dibiarkan hingga muncul populasi kutudaun bersayap. Due to heavy The cowpea aphid, Aphis craccivora, Koch is a notorious key pest of this crop. Eggs develop within the mother and nymphs are born live. Aphis craccivora is one of the important pests on yard long bean. Observations on Aphis craccivora Koch at Serere, Uganda, in 1964–68 showed that dry season carry-over of aphids could occur on the common weeds Euphorbia hirta and E. prostrata; at other times aphids were seen on Gliricidia sepium, Cassia tora, Centrosema pubescens and Macroptilium atropurpureum, the last two being increasingly used as pasture legumes. Aphis craccivora Koch. The cowpea aphid, Aphis craccivora Koch, is one of the most serious pests of legumes, such as faba bean, cowpea and pea [3]. Cowpea Aphid ( Aphis craccivora Koch) Ilse Schreiner, Ph.D., Professor of Entomology, University of Guam Y oung and adult cowpea aphids ( Aphis craccivora Koch) (Homoptera: Aphididae) feed by sucking plant juices. It causes direct damage and also has an indirect effect as insect vector of the Bean common mosaic virus (BCMV). Salah satu hama yang banyak menyerang tanaman kacang tanah adalah kutudaun Aphis craccivora yang menyebabkan kerusakan yang cukup besar pada tanaman kacang tanah. Botanical insecticides that degrade rapidly are safer than persistent synthetic chemical insecticides, less harmful to the environment, decrease production costs and are not likely to cause insecticide resistance among pests. Equbal Ahmad2 Aphid Systematics & Biocontrol Laboratory, University Department of Zoology, T.M. A. craccivora caused pod shrivelling at the young and … Aphis Craccivora Koch Rakhshan1, Md. The use of resistant cultivars is among the best management option for this pest, but the success of this strategy is influenced by the stability of the resistant genotype to the cowpea aphid biotypes present in the major cowpea growing areas in a country. Evaluation of Yardlong Bean and Cowpea for Resistance to Aphis craccivora Koch In Southern Part of nymph of A. craccivora per polybag on both the PGPR-application plants and the control-application plants. The aphids Aphis gossypii Glover (Ramalho et al. This insect has a wide range of hosts and extensive distribution. Aphis craccivora Koch (Homoptera: Aphidi-dae) is a major insect pest of cowpea in Africa, Asia and the Americas (Obeng-Ofori, 2007). Observation on biology of Aphis craccivora Parameters observed were the time needed for each instar phase, life cycle, preoviposition, life span and fecundity of A. craccivora. On the vetch Vicia sativaand other leguminous plants, Aphis craccivora, Megoura crassicaudaand A. pisumfrequently co-occur and form mixed colonies. Entomopatogen merupakan salah satu agen hayati yang berpotensi untuk mengendalikan berbagai hama, dan aman … Aphids ( Aphis craccivora Koch) are an important vegetative stage pest of cowpea in Africa. Common names. Kacang tanah (Arachis hypogea L.) merupakan sumber karbohidrat dan protein nabati yang banyak dibutuhkan oleh tubuh. Aphis craccivora is one of the serious pest of Phaseolus sinensis and Lablab purpureus. This Research was conducted on October until December 2013 in Plant Protection Laboratory of Agriculture Faculty the University of Bengkulu. A. craccivora adults are mostly shiny black or dark brown, variable in size, being Cowpea aphid, Aphis craccivora Koch is a polyphagous pest of cowpea that attacks the crop, feeding on all plant parts and leading to significant yield losses [10–12]. Cowpea aphid, Black legume aphid, Groundnut aphid.. Distribution. The application of vegetable insecticides from papaya leaf extract is expected to reduce the presence of pests. dan A. gossypii( Glover) TñAsmira Damayanti, Endah Muliarti, Dewi Sartiami... Pengaruh Konsentrasi Pupuk Hayati Majemuk Batuan Fosfat Alam Terhadap Serapan P oleh Tanaman Selada (Lactuca sativa L.) di Tanah Andisols Joko Maryanto danAbubakar Singh and Allen (1980) estimated yield losses of 20% to 40% in cowpea due to A. craccivora infestation in Asia and up to 35% in … Kutudaun yang lahir dipelihara pada tanaman kacang panjang sehat. Aphis craccivora dari lapangan dibebasviruskan pada daun talas selama semalam. LC 50% : 1,2 x 106 dan LC 75% : 5,2 x 108, sedangkan (ii) To investigate the effect of infestation of a younger leaf (T,) on the rate of photosynthesis of the leaf below it (T,), 30 apterae were confined to the T, on one plant of each pair and measurements made at intervals on the T,. Aphis craccivora is an efficient DAN A. gossypii Glover. Thesis Title Inheritance of Resistance to Cowpea Aphid (Aphis craccivora Koch.) Aphis craccivora is one of the important pests in Leguminoceae in Indonesia. Bhagalpur University, Bhagalpur-812 007, Bihar Abstract: Allelochemicals and physical barriers such as wax of leaf surfaces, trichomes, cell wall thickness and lignifications of host Its feeding causes leaf shriveling and bud deformation and as the population increases, plant infested become weaked due to loss of sap and toxins injected (Silva et al.
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