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Flower pests of cashew, their seasonal incidence, damage and natural enemies

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Title Flower pests of cashew, their seasonal incidence, damage and natural enemies
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Creator K Vanitha
T N Raviprasad
 
Subject Cashew
inflorescence
Insects
damage
weather factors
 
Description Not Available
Different insect species attack cashew flowers during different phenological stages of the inflorescences from 511 to 619 of Biologische Bundesanstalt, Bundessortenamt und Chemische Industrie (BBCH) scale of cashew phenology. A total of 67
species were documented during the investigation between 2016 and 2020. Among all pest groups, Lepidopterans were dominant
comprising 32 species followed by Hemipterans with 22 species. The pests newly reported on cashew flowers include Perixera sp., Bombotelia jocosatrix, Gyrtona sp., Gatesclarkeana sp., Ascotis selenaria, Tinolius sp. besides two Cicadellids and two Lygaeid bugs. Damage symptoms, seasonal incidence and natural enemies were also documented for different pests. None of the weather factors had significant relationship with tea mosquito bug (TMB), B. jocosatrix and Lamida moncusalis. Though rainfall had no significant relationship with any of the pest population, number of rainy days had significant negative relationship with apple and nut borer (ANB) (-0.35), beetles (-0.35), thrips (-0.39) and mirids (-0.34). Parasitism by Trathala flavorbitalis on ANB was 15–30%, and by Apanteles sp. on Archips sp. was 20–25%. Reduction in nut set up to 47.06% has been recorded due to inflorescence pests in unsprayed trees compared to sprayed ones under mild infestation of TMB.
Not Available
 
Date 2021-10-18T10:22:02Z
2021-10-18T10:22:02Z
2021-04-01
 
Type Research Paper
 
Identifier K. Vanitha and T. N. Raviprasad. 2021. Flower pests of cashew, their seasonal incidence, damage and natural enemies. International Journal of Tropical Insect Science. https://doi.org/10.1007/s42690-021-00527-2.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/65820
 
Language English
 
Relation Not Available;
 
Publisher African Association of Insect Scientists 2021