Haku
Viitteet 21-30 / 46
The importance of Coccinella septempunctata L. (Col., Coccinellidae) in controlling cereal aphids, and the effect of aphids on the yield and quality of barley
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
The effect of pyrethrum preparations on certain common horticultural pests
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)
Loss of lindane, dimethoate, and methyl parathion residues from seedlings of sugar beet as influenced by plant growth
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
PVC rearing cages for aphid investigations
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
Three Aphidiids and one Pteromalid parasitizing Rubus Aphids
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
The resistance of certain Finnish red clover varieties to the stem nematode Ditylenchus dipsaci (Kühn) Filipjev
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
Biological studies on cereal aphids, Rhopalosiphum padi (L.), Macrosiphum avenae (F.), and Acyrthosiphum dirhodum (Wlk.), (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1963)
The effect of virus diseases transmitted by the leafhopper Javesella pellucida (F.) on the concentration of free amino acids in oats and on the reproduction of aphids
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1966)
The bionomics of the raspberry aphids Aphis idaei v.d. Goot and Amphorophora rubi (Kalt.) (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1967)
Changes in the yield and protein quantity of oat caused by Rhopalosiphum padi (L.) (Hom., Aphididae)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1968)