2012
DOI: 10.1603/en11119
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Burrknots as Food Source for Larval Development ofGrapholita molesta(Lepidoptera: Tortricidae) on Apple Trees

Abstract: Grapholita molesta (Busck) is one of the main pests of apple trees, and lives on their shoots and fruits. In southern Brazil, the insect is also found on old branches and structures similar to aerial roots, so-called burrknots. This study evaluated the development and population growth potential of G. molesta fed on burrknots, compared with apple fruit cultivar. Fuji and a corn-based artiÞcial diet. The study was carried out in the laboratory under controlled temperature (25 Ϯ 1ЊC), relative humidity (70 Ϯ 10%… Show more

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Cited by 15 publications
(15 citation statements)
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“…However, G. molesta larvae have been observed to feed on "burr knots" (adventitious root zones) after harvest. These knots can be a source of food that allows for the development of some individuals in the orchard (Bisognin et al, 2012).…”
Section: Resultsmentioning
confidence: 99%
“…However, G. molesta larvae have been observed to feed on "burr knots" (adventitious root zones) after harvest. These knots can be a source of food that allows for the development of some individuals in the orchard (Bisognin et al, 2012).…”
Section: Resultsmentioning
confidence: 99%
“…The oriental fruit moth Cydia (= Grapholita ) molesta (Busck) (Lepidoptera: Tortricidae) is an oligophagous invasive insect of Asian origin that reproduces on plants within the family Rosaceae and produces several generations per year. It has spread across a large geographical range and is presently distributed in temperate and subtropical regions of Asia, Europe, the Americas, Africa and Australia (Tremblay, ; Rothschild & Vickers, ; Timm et al ., ; Lopez‐Vaamonde et al ., ; Bisognin et al ., ), with its economic relevance expected to continue increasing in the next decades (Torriani et al ., ). The larvae are internal feeders in stone and pome fruits mostly from the genera Prunus , Malus and Pyrus (Rothschild & Vickers, ).…”
Section: Introductionmentioning
confidence: 99%
“…However, in this period, larvae of oriental fruit moth are found feeding on “burrknots” (aerial root), assuming that they are a source of insect food at this stage, which would allow the development of subsequent generations in the orchard ( Arioli et al. 2007 , Santos and Leolato 2011 , Bisognin et al. 2012 ).…”
Section: Discussionmentioning
confidence: 99%