Zobrazeno 1 - 10
of 28
pro vyhledávání: '"V R, Ferris"'
Autor:
V R, Ferris, R L, Bernard
Publikováno v:
Journal of nematology. 3(2)
The influence of rotation crop species on population densities of ectoparasitic nematode species common to soybean and corn fields of the North-Central region of the USA was studied for 5 years in 16 field blocks rotated to corn, soybeans, oats, whea
Publikováno v:
Journal of nematology. 5(2)
Intersite relationships among nematode communities of 18 Indiana mixed hardwood stands of varying composition, soils, physiography and past management practices were determined by community ordination techniques. All sites were sampled in April, July
Publikováno v:
Journal of nematology. 5(1)
Publikováno v:
Journal of nematology. 4(3)
Associations among nematode communities were studied in 18 Indiana mixed-hardwood stands of varying composition, soils, physiography, and past management practices. All sites were sampled in April, July, and October of 1968 and 1969. A total of 175 s
Autor:
C G, Goseco, V R, Ferris
Publikováno v:
Journal of nematology. 11(1)
Publikováno v:
Journal of nematology. 13(1)
Leptonchoid species found in soil samples taken in lowland and mid-elevation seasonal forests at four locations in Panama were as follows: Sclerostylus karri n. gen., n. sp., Basirotyleptus saccatus n. sp., B. nemoralis, B. acus, B. penetrans, Doryll
Publikováno v:
Journal of nematology. 15(3)
Examination of dispersional characteristics of Pratylenchus scribneri and Hoplolaimus galeatus indicated that there were patches within soybean fields in which both survival and reproduction wexe enhanced in spite of apparent homogeneity of soil type
Publikováno v:
Journal of nematology. 15(2)
Of eight corn inbreds tested in the greenhouse and field, three (H60, H95, and H84) supported lower populations of Pratylenchus hexincisus than other inbreds included in this study. No apparent differences existed among inbreds in nematode invasion o
Publikováno v:
Journal of nematology. 18(2)
Four of five geographical isolates of Heterodera glycines from Indiana classified as Race 3 using standard differentials showed many differences when classified using another group of differentials comprised of five soybean breeding lines and cultiva
Autor:
V R, Ferris, J M, Ferris
Publikováno v:
Journal of nematology. 20(1)
Data from two-dimensional protein patterns for nine dorylaimid isolates were analyzed using PAUP, a computer program for inferring phylogenies under the principle of maximum parsimony. With a variety of available options, including branch swapping an