Tytuł pozycji:
The occurrence of nematodes of alfalfa crops
Analysis was made of the qualitative and quantitative composition of the nematodes occurring in plants and soil in two alfalfa crops situated in the Warsaw district. The aim of the first part of this study was: 1) to determine the full species composition of the nematodes occurring in the two crops (younger and older), which would at the same time permit of obtaining a knowledge of the variety of ecological forms of these nematodes and 2) to compare the intensity of occurrence of species in the upper parts of the alfalfa plants, in roots and in the soil, that is, to assess the penetration of different species from soil to plants.
Pages 31-74, 1 folded leaf of plates ; 24 cm
Streszczenie w języku polskim
Bibliografia na stronach 69-73
Bibliographical references (pages 69-73)
Strony 31-74, 1 złożona karta tablic ; 24 cm
Abstract in Polish