Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Keith W. Boggs"'
Autor:
Lindsey A. Flagstad, Keith W. Boggs, Tina V. Boucher, Matthew L. Carlson, M. Anjanette Steer, Bonnie Bernard, Megumi Aisu, Priscilla Lema, Tina Kuo
Publikováno v:
Conservation Science and Practice, Vol 1, Iss 7, Pp n/a-n/a (2019)
Abstract Rare ecosystems support unique assemblages of flora and fauna within a small geographic area. As such, their conservation represents an effective method of biodiversity protection. The description, mapping, and assessment of rare ecosystems
Externí odkaz:
https://doaj.org/article/3c034f25369648f8ba1da089be9c54ae
Publikováno v:
Environmental Entomology. 24:1467-1472
Field studies were conducted at 19 sites in western Montana during 1987 through 1990 to determine the cause and extent of predation on Urophora spp. larvae in spotted knapweed, Centaurea maculosa Lamarck, capitula. The extent of knapweed capitula rem
Publikováno v:
Environmental Entomology. 21:1052-1059
Field studies were conducted in western Montana during 1985 and 1986 to determine the voltinism, sex ratio, and the phenological synchrony of Urophora affinis Frauenfeld and U. quadrifasciata (Meigen), two flies introduced for biological control of s
Publikováno v:
Weed Science. 35:145-148
A survey was conducted at 88 sites in Montana in 1984 and 1985 to determine the distribution of Urophora affinis Frauenfeld and U. quadrifasciata (Meigen), two seed head flies released on spotted knapweed (Centaurea maculosa Lam. # CENMA) in North Am
Publikováno v:
Environmental Entomology. 17:911-914
Field studies were conducted in 1983 and 1984 to determine the optimal timing of 2,4-D ((2,4-dichlorophenoxy) acetic acid) applications for compatibility with two seed head flies, Urophora affinis Frauenfeld and U. quadrifasciata (Meigen), introduced
Autor:
Keith W. Boggs, Jim M. Story
Publikováno v:
Weed Science. 35:194-198
Spotted knapweed (Centaurea maculosa Lam. #3 CENMA) communities were sampled to determine the relationship between age and the number of root rings, and the population age structure. Spotted knapweed taproots add one ring of secondary xylem annually.
Publikováno v:
Journal of Range Management. 42:222