Ecologico-taxonomic and temporal distribution of alate potato aphid populations on the non-black-earth area of eastern Europe
1993
Damroze, I. (Latvian University of Agriculture, Jelgava (Latvia))
The number of aphid-vectors depends on the month temperature in April. The highest average of all aphid species was observed in Nijegorodsk, Kirovsk, Perm. Average yearly number of potato aphids is distributed in the southern part of Estonia and in the regions of Nijegorodsk and Vladimir. The most suitable areas for seed potato production in the eastern Europe are non-black-earth zone in the vicinity of the Baltic Sea in Estonia, Kaliningrad, Leningrad, Pskov as well as Kaluga, Smolensk and Tula districts
显示更多 [+] 显示较少 [-]AGROVOC关键词
书目信息
页码
pp. 3-109
其它主题
Federacion de rusia; Federation de russie
语言
英语
注释
Summary (En)
19 tables
类型
Summary; Non-Conventional
1995-08-15
AGRIS AP