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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES   2006 , Volume 12 , Number 1 (SUPPLEMENT); Page(s) 215 To 221.
 
Paper: 

THE EFFECT OF JHM (PYRIPROXYFEN) ON THE NYMPH OF SUNN BUG (E.INTEGRICEPS PUT.) IN LABORATORY AND FIELD CONDITIONS

 
 
Author(s):  ZARNEGAR A., NOURI H.
 
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Abstract: 

This research was carried out during 2000 in the research farm of Agricultural and Natural Resources Research Center of Qazvin. The aim was application of naturally born materials with the least effects on biological factors .Jhm was applied with four doses /05, /10, /15 and /20 percent on late fourth instar and early fifth instar nymphs. The design was based on randomized complete block in field and lab. Results showed that 100 percent of nymphs in lab treated nymphs showed morphologic changes when transformed to adults. According to analysis morphological changes in field showed significant difference with controlat %95 level. Five wheat spikes were dissected randomly from each replication and the percent seed damage was calculated. In all replications, the highest seed damages were recorded for control. The damages were decreasing when JHM doses were increased, and the least damage was recorded with 0/02% dose.

 
Keyword(s): PYRIPROXYFEN, JUVENILE HORMONE, MORPHOLOGICAL CHANGES, SEED DAMAGE
 
References: 
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