Weed Science Commons^™

The Prairie Naturalist Volume 12, Numbers 3 And 4. September–December 1980

The Prairie Naturalist

THE FLORA AND SANDHILLS PRAIRIE COMMUNITIES OF ARAPAHO PRAIRIE, ARTHUR COUNTY, NEBRASKA ▪ K. H. Keeler, A. T. Harrison and L. S. Vescio

USE OF ULTRASONIC SOUND TO ESTIMATE BODY FAT DEPOTS IN THE MALLARD ▪ G. A. Baldassarre, R. J. Whyte and E. G. Bolen

NORTHERN MOCKINGBIRD BREEDING IN NORTH DAKOTA ▪ D. Child, J. Fontaine, T. Gatz, M. Johnson and J. Oswald

SPRING ARRIVAL OF BIRDS AT WOODWORTH, NORTH DAKOTA ▪ K. F. Higgins, L. M. Kirsch, and J. M. Callow

HYBRIDIZATION AND TAXONOMIC STATUS OF GREATER PRAIRIE CHICKENS AND SHARP-TAILED GROUSE (HYBRIDIZATION IN GROUSE) ▪ D. W. …

Germination And Haustorial Development In Orobanche Minor Smith (Orobanchaceae), David L. Spelce

Biological Sciences Theses & Dissertations

Orobanche minor Smith is an introduced root parasite that is known to attack some commercial crops. Germination occurs only after a preconditioning period involving moisture which must be followed by a chemical stimulant produced by the host root. Strigol and strigol analogs (GR-compounds} have been reported to germinate some species of Orobanche. Statistical tests indicate a significant difference between the effectiveness of strigol, GR-7 and GR-45 (P = 0.001).

The embryo is an undifferentiated mass of cells. During germination, the radicular pole of the embryo differentiates into the radicle, while the plumular pole remains undifferentiated. The radicle forms the primary …

The Prairie Naturalist Volume 12, Number 2. June 1980

The Prairie Naturalist

COMPOSITION OF BEAVER CACHES ON THE TONGUE RIVER IN MONTANA ▪ J. E. Swenson and S. J. Knapp

GRAY PARTRIDGE WINTER MOVEMENTS AND HABITAT USE IN NORTH DAKOTA ▪ J. W. Schulz

ANNOTATED CHECKLIST OF MAMMALS OF NEBRASKA ▪ J. K. Jones, Jr. and J. R. Choate

OBSERVATIONS OF SEVERAL ARCTIC GULLS IN NORTH DAKOTA ▪ C. A. Faanes and T. A. Gatz

WINTER FOOD HABITS OF NEBRASKA BOBCATS (Felis rufus) C. J Mahan

NOTE

The Meadow Jumping Mouse in Southeastern Montana ▪ W. L. Matthews

The Prairie Naturalist Volume 12, Number 1. March, 1980

The Prairie Naturalist

RESIDUAL SEEDS AS POTENTIAL SPRING WATERFOWL FOODS IN SMALL, MAN-MADE IMPOUNDMENTS ▪ G. A. Baldassarre

NOTES ON THE NATURAL HISTORY OF BATS FROM BADLANDS NATIONAL MONUMENT, SOUTH DAKOTA ▪ J. P. Farney and J. K. Jones, Jr.

PRAIRIE CHICKEN DOMINATED SHARP-TAILED GROUSE INTERACTION ▪ R. A. Schmidt

CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA— 1979 ▪ R. N. Randall

THIRD NESTING OF CATTLE EGRET IN NORTH DAKOTA ▪ R. A. Schmidt

FIRST BREEDING RECORDS OF THE WHITE-FACED IBIS IN NORTH DAKOTA ▪ R. A. Schmidt

NOTES

Pinon Jay in North Dakota ▪ R. N Randall, J. Swanick and O. Swanick

Gray-crowned …