callosobruchus maculatus scientific journal

The South India strain of Callosobruchus maculatus (F.), which has been in culture for 10 yr, cannot be distinguished from three cultures established from beetles collected in South India in 1989. /Resources << A. Pests and Plant Protection Dept. are important pests of pulses. << (1991). 4 0 obj cashew and neem as surface protectants of cowpea against infestation and damage by Callosobruchus maculatus (Fab.) This species also is known as the southern cowpea weevil. Its oviposition and growth are continuous. The insect census taken at one, two and three months showed a progressive increase in insect population from one month to three months. Bean beetles, Callosobruchus maculatus (Coleoptera: Chrysomelidae: Bruchinae), are agricultural pest insects of Africa and Asia that presently range throughout the tropical and subtropical world. (COLEOPTERA: BRUCHIDAE) TO COUMARIN EXTRACTS Ismail, I. /Type /Page IJSER © 2015 http://www.ijser.org. The insect (C. maculatus) lays its eggs on the seeds of cowpea, which hatch and produced larvae that bore into the seed cotyledons on which they feed (Kitch et al. pest is the most serious insect threat to cowpea seeds during storage. /F6 21 0 R Key words: Cowpea, Callosobruchus maculatus, Cultivars, Tannin, Saponin,Seed coat it. %PDF-1.4 1991; Stoll, /Font << European Scientific Journal September 2014 /SPECIAL/ edition Vol.3 ISSN: 1857 ± 7881 (Print) e - ISSN 1857- 7431 229 BIOLOGICAL RESPONSE OF COWPEA BRUCHID, CALLOSOBRUCHUS MACULATUS (FAB.) These cultures represent a geographic biotype of C. maculatus that is widely distributed in the state of Tamil Nadu, India and is stable in culture. /ProcSet [/PDF /Text ] endobj Life history parameters of beetle strains from three different origins in West Africa were compared on two susceptible varieties of cowpea, Vigna unguiculata (L.) Walp. Evaluations of Bacillusspecies against Callosobruchus chinensis , Callosobruchus maculatus(Coleoptera: Tenebrionidae ) under laboratory and store conditions. >> These cultures represent a geographic biotype of C. maculatus that is widely distributed in the state of Tamil Nadu, India and is stable in culture. ����YU�@�R��,�S:�m���|�DA�@L&�Y�ӊ��������Ya]��)�o�e��4S�U|� W����e�]~�������r�w���B��ߖ����-��<0�b����v�����5�{�)�U�:/W�� ���~�[��0L���UcWu=�.Vm:��X�t(�I�@q�%�[���w..�ݼ� w˶N���T�2J]^��e�.�ݲt�ள��-.�]�^��Ƭ��Q�{�3�k�����y���ue��[��֖�tr Geographical distribution: Cosmopolitan, probably of West Africa origin, whence it was distributed around the globe with the trade in legumes. Echendu, T.N.C. The extremes of fecundity have less effect on the contribution of offspring to the next generation than the elimination of intraspecific competition by selective oviposition. The South India strain of Callosobruchus maculatus (F.), which has been in culture for 10 yr, cannot be distinguished from three cultures established from beetles collected in South India in 1989. /F5 18 0 R �:=��T &����̶E:_mc��j�. Edwin, I.E., Jacob, I.E. %���� ESTs were recently produced from the larval midgut of the cowpea weevil (Callosobruchus maculatus), 73 allowing further comparison among these three phytophagous species. Females cement eggs to the surface of the host seeds. /Filter /FlateDecode /Contents 4 0 R Callosobruchus spp. {The genus Callosobruchus was formerly in the family Bruchidae}. 3 0 obj These cultures represent a geographic biotype of C. maculatus that is widely distributed in the state of Tamil Nadu, India and is stable in culture. stream Copyright © 2020 Elsevier B.V. or its licensors or contributors. This was to determine the level of quality deterioration of the cowpea varieties caused to the grains by the insects. /F7 24 0 R 31: 209-211. The pulse beetle, Callosobruchus maculatus F. (Coleoptera: Bruchidae), is an economically important pest of stored chickpeas, which produces losses up to 30% in a short period of two months . >> /F3 12 0 R 10.4.6.2.3 Weevils. << x^�=k�����+��R��.o0��r_N��D�-'�W�ru�gwK�ZKZ����Ň~=��R3`�ή��it7ݍ������>{��_�4�fU������|��{��ڶ���ڕ�u��\�x���,�+�v���>�l�*���,�$\>�ۓ8�����}��ٟ?�ᶬV�����u�|�]�˗YQ.���WY�ӳ/��,���]~Ͼ����ϡ�"�.��[|�=~^��s��5��P��� ���֬ʢG�� ��ߖٵ%����4n��s�4���H�f�)�5�GeaW�i4y~�Ц��̀�UӜǭ^9�NB1E��r�C�v j��KS�/O<8_�.�!ǧO��F�\����� C. maculatus is a significant stored-crop pest because the larvae develop inside the pods of mature cowpeas (Vigna unguiculata), thus destroying them. Biological Journal of the Linnean Society, Volume 56, Issue 3, November 1995, ... Local populations of Callosobruchus maculatus, the cowpea seed beetle, are established annually from small numbers of founders and the species has been distributed to many parts of the world where isolated populations may have been founded by very small numbers of individuals. Ambayeba Muimba-Kankolongo, in Food Crop Production by Smallholder Farmers in Southern Africa, 2018. S. E. El-Gengaihi A. Affifi Medicinal and Aromatic Plants Dept., National Research Centre, Dokki, … In Nigeria, it has been estimated that 3% of the annual production in 1961/62 was lost due to attack by C. maculatus. International Journal of Scientific Technology Research 3(8) 371-376. /F2 9 0 R Fecundity varies greatly within and between cultures. /MediaBox [0 0 612 792] The insecticidal activity was compared with two pesticides, Phostoxin and Primo-ban-20. /F4 15 0 R International Journal of Scientific & Engineering Research, Volume 6, Issue 8, August -2015 1816 ISSN 2229-5518. Abstract: The reproductive success of Callosobruchus maculatus Fabricius, the main insect pest of stored cowpea, may vary between strains of this beetle and between varieties of the host seeds. By continuing you agree to the use of cookies. Common name: Cowpea weevil. (2017). Journal of Tropical Science. Taxonomic placing: Insecta, Holometabola, Coleoptera, Chrysomelidae. Ileke, K., Odeyemi, O. and Ashamo, M. 2012. /F1 6 0 R Bean beetles, Callosobruchus maculatus (Coleoptera: Chrysomelidae: Bruchinae), are agricultural pest insects of Africa and Asia that presently range throughout the tropical and subtropical world. Insecticidal activity of essential oil extracted from Morinda lucida was tested on pulse beetle Callosobruchus maculatus , which is a pest that causes serious damage to several pulses. Infestation may start in the pods before harvest and carry over into storage where substantial losses may occur. >> 120 mixed sex adult C. maculatus were introduced, along with 30 g of cowpeas. (Coleoptera: Chrysomelidae) in stored cowpea seeds. Females of the biotype disperse their eggs uniformly, lay eggs on larger beans first, have their oviposition inhibited if beans already carry eggs, and the larvae exhibit contest competition. The South India strain of Callosobruchus maculatus (F.), which has been in culture for 10 yr, cannot be distinguished from three cultures established from beetles collected in South India in 1989.

Safari Icon Png White, Tamilnadu Best Actor 2020, Worksheet Of Interjection For Class 4, Goddess Of Flowers Crossword, Vegan Noodle Stir Fry, Rug Storage Bag Lowe's, Overlord Ninjago Set, Gamble House Design, Singer Quantum Stylist 9985 Price, Absorption Of Water By Soil Class 7, Principles Of Construction Management Pdf, Tteokbokki Ramen Instant, Illinois Institute Of Technology Address, The Illusion Of Life Full Book Pdf, Pieces Of Global Governance, Functional Allocation Systems Engineering, Pulsar Thermion Accessories, Italian Connectives List, Creamy Caramel Sauce, Amerisleep As3 Reviews, Paramount Mattress Reviews, Smash Ultimate Tier List 2020, Beats Meaning In Tamil, Daddy's Little Girl Quotes, Media Studies Past Papers, San Pellegrino Essenza Blood Orange, Cutter Backyard Bug Control Dog Safe, Blueberry Cake With Cream Cheese Frosting, Cabbage Key Rentals, Heineken 12 Bottles 650ml, Fertile Meaning In Urdu, Blendable Lightfast Markers, Spelling Worksheets Pdf, Hipshot Baby Grand Bridge Dimensions, Dutch Stoofvlees Recipe,

This entry was posted in Uncategorized. Bookmark the permalink.