3 items found
Collection ID is exactly "11" AND Subject is exactly "Spirea aphid"
Sorted by Title
Identifier Title Type Subject Thumbnail
RC15603Applying calcium cyanide dust to citrus to control aphis spiraecolaSpraying and dusting in agriculture
Citrus
Spirea aphid
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RC13670Experimental fumigation to control aphis spiraecolaCitrus--Fumigation
Spirea aphid
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RC15604Tent fumigation on 7 year old tree to control aphis spiraecolaCitrus--Fumigation
Spirea aphid
/fpc/reference/rc15604.gif