Late blight monitoring means continual observations of late blight development during potato vegetation period. The aim of potato late blight monitoring is to establish the […]
The variation of agronomic characteristics of European malting barley varieties
The field experiments were carried out in 1999_2002 at the Jõgeva Plant Breeding Institute (PBI) in Estonia to investigate the genetic and environmental variation of […]
Genetic and environmental variation of grain yield of oat varieties
Both variety genotype and climatic conditions influence the grain yield of oat. The field experiments were carried out in 1998_2002 at the Jõgeva Plant Breeding […]
Influence of food on the growth, development and hibernation of Large White Butterfly (Pieris brassicae)
The abundance of Large White Butterfly (LWB), Pieris brassicae fluctuates from year to year, and a peak in the population is reached in every five […]
Profitability of different technologies of strawberry cultivation
The experiments with strawberries were carried out in 1999–2001. There were two cultivation types in the experiment: plastic mulch and straw mulch with burning after […]
Influence of different planting material on production of stawberry runner plants
The reproductive growth intensity of micropropagated (MP) strawberry plants of cultivars Bounty, Jonsok and Senga Sengana, their three subsequent generations of runner plants (RP), two-year-old […]
Problems of abandoned fields
The study was based on data gathered in 1995–2002 in areas where plant cultivation was discontinued for various reasons and at various times. The objective […]
The greenhouse effect and moths’ response to it.
I. How to compare climatic and insect phenology databases?
At present it has been firmly established that climate can be influenced by both natural forces and human activities. It is generally accepted that an […]
Use of Basta 150 SL in strawberries
The experiment was carried out in the strawberry plantations of the Polli Horticultural Institute during two years, 2000–2001. ‘Bounty’ was the strawberry cultivar studied. The […]
First results of a dwarfing plum rootstocks trial
For many years, Prunus cerasifera Ehrh. seedlings of high vigour have been the most widespread seedling rootstock in Estonia. Plum growers are interested in less […]