Results 91 to 100 of about 399 (135)

Fluctuación poblacional de Aphis craccivora y Aphis gossypii sobre Phaseolus vulgaris

, 2020
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Effects of different insecticides on cowpea aphid (Aphis craccivora Koch)

International Journal of Global Science Research, 2018
Jiban Shrestha, Atal Kumar Bhatta, Samita Thapa, Madan Sapkota, Reeta Ghimire, Roshan Dhakal   +5 more
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Анализ генов семейства UDP в геноме Aphis craccivora

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Genetics of resistance to Aphis craccivora in cowpea

Euphytica, 1996
Inheritance of aphid resistance and allelic relationships among sources of resistance was studied in the parents, F1, F2, F3, and backcross populations of cowpea crosses. Each 4-day old seedling was infested with five fourthinstar aphids. Seedling reaction was recorded 14–16 days after infestation when the susceptible check was killed.
Githiri, S. M, Ampong-Nyarko, K, Osir, E. O, Kimani, P. M   +3 more
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Flupyradifurone induces transgenerational hormesis effects in the cowpea aphid, Aphis craccivora

Ecotoxicology, 2022
With low-dose stimulation and high-dose inhibition, insecticide-induced hormesis, a biphasic phenomenon, can contribute to pest resurgence. The cowpea aphid, Aphis craccivora (Koch) (Homoptera: Aphididae), is a vital insect that infests legume crops. Its hormesis of flupyradifurone has not been previously established. Age-stage two-sex life analysis is
Eman A. Fouad, Sherifa A. N. El-Sherif, El-Sayed M. S. Mokbel   +2 more
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EFFECTS OF BOTANICAL OILS ON APHIS CRACCIVORA Koch (HOMOPTERA: APHIDIDAE)

Bangladesh Journal of Entomology, 2022
In the present study, five botanical oils namely sesame, castor, groundnut, pongamia and black cumin were tested against the adult of Aphis craccivora Koch to evaluate the toxic and repellent effects under laboratory conditions (25+- 5 degree C, 65-75% RH).
A. H. ALI, A. A. IBRAHIM, M. A. A. BACHCHU, M. A. HOSSAIN   +3 more
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Aphis craccivora (groundnut aphid).

2021
Abstract Introduction: A. craccivora is a cosmopolitan species with a worldwide distribution; abundant in subtropical and tropical regions, and in the Mediterranean. It is one of the commonest aphid species in the tropics.
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Mechanism of resistance to pirimicarb in the cowpea aphid Aphis craccivora

Crop Protection, 2017
Abstract A resistant strain of Aphis craccivora Koch was selected with pirimicarb for 12 generations. The selected strain exhibited 47-fold resistance compared to the susceptible laboratory strain. The resistant strain also showed cross-resistance to carbosulfan, malathion, chlorpyrifos methyl and thiamethoxam.
Mohammed A. Kandil, Ibrahim S. Abdallah, Hala M. Abou-Yousef, Naglaa A. Abdallah, Eman A. Fouad   +4 more
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RESISTANCE TO APHIS CRACCIVORA (HOMOPTERA:APHIDIDAE) IN SELECTED VARIETIES OF COWPEA

Journal of Entomological Science, 1985
Nearly 200 varieties of cowpea, Vigna unguiculata (L.) Walp, were screened for resistance to the cowpea aphid, Aphis craccivora Koch. Three varieties known to be resistant in West Africa were highly susceptible to an aphid population from the southern United States.
Joyce L. Barmore, J. A. A. Renwick, Frank J. Messina   +2 more
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Ecological studies on Aphis craccivora Koch

Zeitschrift für Angewandte Entomologie, 1982
AbstractThis paper deals with the effect of 5 photoperiods on the immature stages of A. craccivora. In case of nymphs taken from adults exposed to different photoperiods, the durations of the nymphal instars were unaffected, with the exception of 16 h and 12 h photoperiod, where the duration was significantly decreased.
A. Abdel‐Malek, N. Z. Dimetry, S. El‐Ziady, F. M. El‐Hawwary   +3 more
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