Results 51 to 60 of about 388,487 (202)
Populations of Pear Thrips, \u3ci\u3eTaeniothrips Inconsequens\u3c/i\u3e (Thysanoptera: Thripidae) in Sugar Maple Stands in Vermont: 1989-2005 [PDF]
Development of an effective IPM strategy for pear thrips, Taeniothrips inconsequens (Uzel) (Thysanoptera: Thripidae), a pest of sugar maple, Acer saccharum Marshall, demands an understanding of their population fluctuations over time.
Kim, J. S +4 more
core +2 more sources
The Biology of Canadian Weeds. 131. \u3cem\u3ePolygonum aviculare\u3c/em\u3e L. [PDF]
A review and assessment of biological information as well as personal data are provided for Polygonum aviculare in Canada. The species has been revised taxonomically and the six subspecies that occur in Canada are presented.
Costea, Mihai, Tardif, François J.
core +1 more source
Ecology of Sydney plant species : part 10, Monocotyledon families Lemnaceae to Zosteraceae [PDF]
Ecological data in tabular form are provided on 668 plant species of the families Lemnaceae to Zosteraceae, 505 native and 163 exotics, occurring in the Sydney region, defined by the Central Coast and Central Tablelands botanical subdivisions of New ...
Benson, Doug, McDougall, Lyn
core
Chionanthus retusus: Chinese Fringetree
It is hard to think of a more beautiful, small, 20-foot-tall tree than Chinese Fringetree when it is in full bloom. The pure white, fragrant flowers, emerging just as the dogwood flowers fade, hang in four-inch-long, spectacular terminal panicles which ...
Edward Gilman, Dennis Watson
doaj
The information in this circular is intended for the use of settlers and homesteaders in Alaska who are interested in the more general growing of hardy flowering bulbs in the Territory. Alaska is very poor in native ornamental plants, and although the
Georgeson, C.C.
core
Thresholds of memory: Birch and Hawthorn in the poetry of Robert Burns [PDF]
Robert Burns’s status as a poet sufficiently close to rural poverty to be able to represent himself as its product, and sufficiently distant from it to be able to manipulate that product, is increasingly being realized.
Pittock, Murray
core +1 more source
Arthropods Utilizing Sticky Inflorescences of \u3ci\u3eCirsium Discolor\u3c/i\u3e and \u3ci\u3ePenstemon Digitalis\u3c/i\u3e [PDF]
Cirsium discolor (Muhl) Spreng (Asteraceae) and Penstemon digitalis Nutt. (Scrophulariaceae) produce sticky material only in their inflorescences. While there is a wealth of printed information concerning such sticky traps occurring in other parts of ...
Thomas, Patricia A
core +2 more sources
Phenological Gardens Protocol [PDF]
The purpose of this resource is to observe the flowering and leaf stages of selected garden plants throughout the year. After a phenological garden is planted, students observe the growth of leaves and blooming of flowers on the plants. These plants were
The GLOBE Program, University Corporation for Atmospheric Research (UCAR)
core

