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Jasmonic acid and salicylic acid induced defensive response in wine grapes against Drosophila suzukii (Diptera: Drosophilidae) by Barkat Hussain; Abdul Rasheed War; Douglas G. Pfeiffer is a Medicine article available to read on EtoBox.

What is Jasmonic acid and salicylic acid induced defensive response in wine grapes against Drosophila suzukii (Diptera: Drosophilidae) about?

To better understand the elicitor induced defense in wine grapes against __Drosophila suzukii__ (Matsumura), two varieties, Pinot Noir and Chardonnay, were sprayed with jasmonic acid (JA) and salicylic acid (SA). Total phenols, total flavonoids, total tannins and total soluble sugars were quantified. Oviposition preference by __D. suzukii__ in response to JA and SA applications were also studied. Behavioral response of __D. suzukii__ to various sugars was recorded. The effect of flavonoids (gallic acid, catechin, quercetin at 100 and 500 ppm) on mortality of __D. suzukii__ was also studied in CAFE assay. Our results showed that JA and SA application significantly affected phenol, flavonoid and tannin contents of grapes. Reduced injury was observed in treated plants; this reduction was more pronounced in Chardonnay than Pinot Noir. The number of eggs laid by __D. suzukii__ females was lower in JA and SA-treated plants; this reduction was more pronounced under no-choice conditions than under choice conditions. In prandial behavior, sucrose solution (5%), glucose solution (5%), fructose solution (5%), sucrose (5%) + yeast (5%) solutions and yeast solutions (5%) showed higher attractio

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Author

Barkat Hussain; Abdul Rasheed War; Douglas G. Pfeiffer

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Medicine (Physical Sciences)