Summer 2012 RURAL LIVING& in ARIZONA Volume 6, Number 2
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Backyards Beyond Summer 2012 RURAL LIVING& IN ARIZONA Volume 6, Number 2 Summer 2012 1 Common Name: Wholeleaf Indian paintbrush A spike of showy, reddish-orange like projections of parasitic tissue called Scientific Name: Castilleja integra bracts generally calls our attention to haustoria, which grow from the roots of the this paintbrush. The showy color of the paintbrush and penetrate the roots of the host paintbrush plant is produced by the bracts plant. They do not completely deplete the (modified leaves) that occur in a variety nutrients from the host plant, although it often of colors. The greenish, tinged scarlet, does take a toll on its fitness and growth. tubular true flowers are inconspicuously Castilleja species are generalist parasites - hidden among the bracts. "Integra", Latin they do not require a particular host species; for "whole", refers to the bracts and leaves however, you will often find paintbrush which are not incised or lobed as in many growing together with bunchgrass, chamise, other species of Castilleja. Castilleja integra sagebrush, lupine and wild buckwheat. is a perennial and is one of about 200 The flowers of Indian paintbrush are species of the genus Castilleja in the family edible and sweet, but must be eaten in small of Scrophulariaceae (Figwort or Snapdragon quantities. These plants have a tendency Family). It grows to a maximum of about to absorb and concentrate selenium in their twenty inches tall. The plant ranges through tissues from the soils in which they grow, the southwest in Pinyon/Juniper and and can be potentially very toxic if the roots Ponderosa forest communities at elevations Sue Smith or green parts of the plant are consumed. of 3000 to 7500 feet. Indian paintbrush was Various Native American tribes used the adopted as Wyoming’s state flower in 1917. flowering parts as a paintbrush, as well as an Indian paintbrush plants are partially ingredient in paints and dyes. The Chippewa parasitic. The plant takes water and Indians are known to have used the Indian nutrients from the roots of other native paintbrush as a medicine to treat rheumatism and as a bath rinse to make their hair glossy. Susan Pater, Area Extension Agent, 4-H wildflowers, shrubs, and grasses via finger- Featured Plant Featured Youth Development, University of Arizona Cooperative Extension, Cochise County Common Name: Lucy’s Warbler palo verde in a massive and widespread prevented their discovery.” Cooper was Scientific Name: Vermivora luciae panorama of pale yellow. a great admirer of Spencer Fullerton Baird (1823-1887), Secretary of the At this same time among the larger Smithsonian Institution and the central mesquite thickets, an assemblage of avian figure regarding the natural sciences in the species burst forth in song which includes country at that time. It was because of this Lucy’s Warbler, just returning on migration lasting friendship that Cooper applied the from Mexico. As the smallest of our wood scientific and common names to this bird warblers, it would hardly be noticed were in honor of Baird’s daughter Lucy Hunter, it not for its loud, distinct, sweet song that who was only thirteen at the time. The is delivered almost incessantly in early Cooper Ornithological Society was later spring. They are tiny pale gray birds, just named in his honor for his many notable over four inches, with the male showing contributions to science. a reddish chestnut cap and rump as they probe the branches and leaves for insects. The late 1800s brought forth a great Nesting begins almost immediately as interest and advancement to science in Dan L. Fischer - Author of Early Southwest sites are selected mainly among mesquite, the little known wilderness of Arizona Dan L. Fischer Ornithologists, 1738-1900, University of sometimes palo verde, occasionally and indeed, the entire Southwest. Arizona Press ironwood and less commonly in trees The competitive but respectful spirit, slightly higher in elevation. Generally four seriousness, and discovery of the local The end of March marks the time of growth creamy-white eggs, speckled with reddish- bird life among many individuals was very and renewal in the lower deserts of Arizona. brown are laid in cavities or in partially high as three other men noted this elusive When adequate winter rains and temperatures concealed tree bark or split branches. warbler in quick succession. The first was have occurred, a whole array of plants emerge Sometimes two broods are reared before a Mr. Holden near the 34th parallel in 1863, or burst forth. Some annuals may begin a returning to Mexico. then two notable army officers, Dr. Elliott Coues at Fort Whipple north of Prescott gorgeous floral display while early cactus The discovery of Lucy’s Warbler in in 1865, and Lt. Charles Bendire close to buds follow on certain species, and some 1861 was made by Dr. J. G. Cooper Camp Lowell near Tucson in 1872. The two even begin showing lavish flowers. Along (1830-1902) while posted at Fort Mojave, army officers, like Dr. Cooper, in addition the washes and dry stream courses, leaves located on the east side of the Colorado to their military assignments, became Featured Bird Featured develop on the large mesquite and shrubs. River near latitude 35°. He was first prominent ornithologists through their In April and May the blue palo verde begins attracted to the warbler “by their notes, common interest and close association a glorious show of intense yellow blossoms as their small size and concealment in with Baird. which is quickly followed by the foothills the dense mesquite thickets...would have 2 Backyards& Beyond Backyards Beyond rural living& in Arizona Summer 2012 Volume 6, Number 2 Editors Bryan Chadd Fox Tyler Kim McReynolds Susan Pater George Ruyle Jeff Schalau Contributing Writers Paul Baker, Stacey Bealmear, Michael Crimmins, Vanessa A. Farrell, Dan L. Fischer, Al Fournier, contents Dawn H. Gouge, Sharon Hoelscher Day, Eric Larsen, Carl Olson, Susan Pater, Curt Peters, William A. Schurg, Summer Waters Featured Plant .......................................................................2 Graphic Design & Layout Featured Bird ..........................................................................2 ECAT Capturing Mother Nature's Fireworks .....................................4 Backyards and Beyond is partially funded by the Renewable Resources Extension Act and Waiting for the Rain: Tracking Drought Status a financial gift provided by Caroline Sherman. Financial gifts may be contributed online at across Arizona ........................................................................6 http://extension.arizona.edu/state/donate- arizona-cooperative-extension or to make your Choosing a Bug Repellent ......................................................9 gift by telephone, please contact the CALS Development Office at 520-621-7190. Gifts Integrated Pest Management for the Home Garden ............12 can be made payable to:"University of Arizona Foundation" and mailed to: Arizona Cooperative Extension, 301 Forbes Building Working the Bugs Out ..........................................................14 PO Box 210036, Tucson, Arizona 85721. Nutrients for Horses ..............................................................18 Backyards & Beyond is refereed and published quarterly by a cooperative team from the University of Subscription ..........................................................................19 Arizona Cooperative Extension. Yearly subscription price $10.00 http://cals.arizona.edu/backyards Cover Photo credit: Norman Cooper Issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, Jeffrey C. Silvertooth, Associate Dean & Director, Economic Development & Extension, College of Agriculture and Life Sciences, The University of Arizona. The University of Arizona is an equal opportunity, affirmative action institution. The University does not discriminate on the basis of race, color, religion, sex, national origin, age, disability, veteran status, or sexual orientation in its programs and activities. Any products, services, or organizations that are mentioned, shown, or indirectly implied in this publication do not imply endorsement by the University of Arizona. Rusty Dodson Summer 2012 Summer 2012 33 CAPTURING MOTHER NATURE’S FIREWORKS Eric Larsen and Curt Peters, Extension Agents, 4-H Youth Development, Pima County Cooperative Extension, University of Arizona Tracy Hardy Tracy The following are two types of digital cameras discussed throughout this article: 1) SLR (Single-Lens Reflex) – This type of camera will have a “B” or Bulb function and will allow you to manually adjust the focus, exposure, aperture, and ISO settings. 2) Compact Camera (point-and-shoot) – It is important that your camera has the ability to force the focus to infinity and keep the shutter open for at least 10 to 30 seconds or has a fireworks setting. The fireworks setting usually turns the flash to off, sets autofocus to infinity and exposure compensation to off, bumps down the shutter speed and aperture, and lowers the ISO. The following tips will help you prepare yourself and your equipment to capture your next award winning lightning photograph. Eric Larsen Eric GET TO KNOW YOUR CAMERA SETTINGS AHEAD OF TIME The monsoon season in Arizona which typically runs from early July A lightning session may come and go quickly. The storm might not to late September brings spectacular lightning shows or “Mother Nature’s leave time