Horse learning ability tested

Also in this issue:

Human nutrition research needs a leader

Consumer responses to nutrition claims in food advertisements

Fungicides for control of chrysanthemum rust

Growth retardants mitigate Verticillium wilt and increase yield of cotton

Plant uptake of bromide following soil fumigation with methyl bromide

Ozone-pesticide interactions

Publication on grapevine nutrition

Two new species and additional collection records for the genus Protodiaspis (Homoptera: Coccoidea: Diaspididae)

Evolutionary patterns in the armored scale insects and their allies (Homoptera: Coccoidea: Diaspididae, Phoenicococcidae, and Asterolecaniidae)