25382
Complete cluster zone leaf removal of ' Pinot noir ' was initiated at three separate pre - v e raison growth stages ( bloom , grain - pea size , and bunch closure ) and maintained leaf free until harvest , for four growing seasons ( 2008 - 2011 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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