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Bionomics of aphids reared on cereals and some Gramineae
Author(s) -
DEAN G. J. W.
Publication year - 1973
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1973.tb01317.x
Subject(s) - biology , rhopalosiphum padi , dactylis glomerata , lolium perenne , agronomy , poa pratensis , poaceae , festuca arundinacea , lolium , hordeum vulgare , sitobion avenae , festuca pratensis , holcus lanatus , secale , botany , pest analysis , aphididae , homoptera
SUMMARY In controlled temperature, light and relative humidity, Metopolophium dirhodum and Sitobion avenae multiplied more on young Proctor barley than on Blenda oats, and less on Cappelle wheat. Rhopalosiphum padi increased in number fastest on barley and slowest on oats. More survived, and generation lengths seemed shorter, on barley for M. dirhodum and S. avenae and on wheat for R. padi. Tests with young cereals outdoors generally agreed with those in controlled conditions. On mature plants, there were more M. dirhodum on barley, more R. padi on wheat and more S. avenae on oats than on the other cereals. Given a free choice in large cages outdoors, most aphids were found on barley. When allowed to choose between grasses, more M. dirhodum were on Dactylis glomerata, Poa pratensis and Festuca pratensis , more R. padi on Lolium perenne and F. pratensis , and more S. avenae on D. glomerata and L. perenne. Most aphids of all species combined were on F. pratensis, Lolium and Phleum , and fewest on Festuca rubra and Holcus mollis.