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|Title:||Mechanical damage in cotton buds caused by the boll weevil|
|Publisher:||Empresa Brasileira de Pesquisa Agropecuária (Embrapa)|
|Description:||The boll weevil (Anthonomus grandis Boheman) causes high levels of bud abscission in cotton plants due to feeding or oviposition punctures. It has been reported that abscission is mainly due to enzymes present in the insect's saliva, but mechanical damage could also contribute to square abscission. The objective of this paper was to undertake an analysis of the morphological damages caused by the insect in cotton squares using microscopy. Anthers and ovules are the main target of boll weevil feeding. The process initiates by perforation of young sepal and petal tissues and proceeds with subsequent alimentation on stamen and ovary leading to abscission of floral structures.|
|Appears in Collections:||Agriculture and Food Sciences|
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