Establishing control threshold for bird cherry-oat aphid (Rhopalosiphum padi L.) in spring barley (Hordeum vulgare L.) by aphid-days
Lars Monrad HansenVolume:
19
Year:
2000
Language:
english
DOI:
10.1016/s0261-2194(99)00094-0
File:
PDF, 111 KB
english, 2000