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Effect of sowing date and seed treatment on food legume insects

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Title Effect of sowing date and seed treatment on food legume insects
 
Creator El-Fakhouri, Karim
 
Contributor Lhaloui, Saadia
Sabraoui, Abdelhadi
El Bouhssini, Mustapha
 
Description In Morocco food legume crops are attacked by a number of insect pests. Among the important pests are
Sitona weevil and Stem borer on faba bean and pea aphid on lentil. Seed treatment with systemic
insecticides is becoming an important component of integrated pest management. In this context we
tested the efficacy of a liquid formulation of the seed dressing insecticide Celest ®Top (a.i.
Difenoconazole + Fludioxonil+ Thiamethoxam) with three doses (1.5 cc, 2 cc, 2.5 cc), and of planting
date on the control of Sitona weevil and Stem borer on faba bean and of pea aphid on lentil, under field
conditions during the cropping seasons 2013-2014 and 2014-2015. The results showed that foliage
damage caused by Sitona weevil was reduced by thiamethoxam with highest dose (2,5cc) compared to
untreated control for both years, with a visual damage score of 3 (1-25%) of the leaflet damage for first
date, and reduced nodules infestation of about 75% for second planting date. For faba bean stem borer,
the seed treatment reduced the infested plants to about 35% with highest dose (2,5cc) for both sowing
dates. The highest dose of the same product (2,5cc) did reduce significantly pea aphid infestation on
lentil by about 44%. The results of this study showed that seed treatments with neonicotinoid
(thiamethoxam) provided good level of protection against the three pests and thus could be used as one
of the IPM components for the management of food legumes insect pests
 
Date 2016-12-31
2017-03-08T07:08:33Z
2017-03-08T07:08:33Z
 
Type Conference Paper
 
Identifier https://mel.cgiar.org/reporting/download/hash/yTh6iUtj
Karim El-Fakhouri, Saadia Lhaloui, Abdelhadi Sabraoui, Mustapha El Bouhssini. (31/12/2016). Effect of sowing date and seed treatment on food legume insects. Marrakesh, Morocco.
https://hdl.handle.net/20.500.11766/6329
Open access
 
Language en
 
Rights CC-BY-NC-4.0
 
Format PDF
 
Publisher International Center for Agricultural Research in the Dry Areas (ICARDA)