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Section Two The Canadian Statesman, Bowmanville, April 25,1984 7 -- Let's Get Growing By Harry VanBelle The Survival of the Birch Tree TTie birch tree is going the way of the elm trees that are almost extinct. Heavy infestations infestations by the insect called Leaf Miner have taken a heavy toll to the point that the birch trees are weak and have little resistance resistance left, to fight on their own. The variety that is the most affected by these insects is called the European white birch. It is a variety that has been hybridized from a variety of different birch species, to have the best white bark and the most graceful shape, is easy to transplant and rather fast growing. Especially since the war years, we needed that type of variety to supply the heavy demand of the hew home owners. Today, we are more interested in varieties that are a bit hardier and can withstand withstand to a degree the leaf miner insects. This is being accomplished by using some of our native varieties such as the canoe birch . and other strains. What is a leaf miner? Today, this little insect is sometimes called the Super Bug. Its many shapes and the many plants that it attacks are spread all over the world. In Europe, it hits the chrysanthemum chrysanthemum in the greenhouse, in South America the carnations get hit, and even in our own greenhouses in the province, Super Spring Savings! 30% OFF VERTIFLEX VERTICAL BLINDS by DRACO Draco Vertical Blinds provide you with a beautiful way to make the weather work for you -- all year round. Help keep you cool in the summer, warm in the winter. Use them as draperies or control your room lighting by angling the slats. AND mSVF'y'o W~ W~~ ALL DRACO CUSTOM MADE WINDOW SHADES DRACO VENETIAN BLINDS Bali or Mini AT DECOR WORLD 136 KING ST. E. BOWMANVILLE all have had this problem and are still fighting this insect. The name leaf miner correctly describes this insect. It will burrow or mine into the centre of the leaf where the cells of the leaf are full of chlorophyll which is the green substance in all cells of plant life. What it does, it will start at one end of the leaf and eat the chlorophyll, chlorophyll, digesting it through its body and leave the secretion in the centre of the leaf. Of course this leaves the leaf scarred like an empty shell. This in turn causes severe damage to the tree, and eventually eventually this weakened state will destroy the tree unless we give it some help. The Cure for Leaf Miner The first thing we can do is to fight the leaf miner on its own ground and that is to get some type of insecticide into the area that it is working. Since this is inside the leaf, no regular contact spray will touch them, so we must use a so called systemic insecticide that will be absorbed into the sap stream and then the sap will take it up into the leaf area where the damage is done. Over the past five years the recommended way of applying applying this insecticide was by painting this material around the trunk of the tree and then it would penetrate the bark and enter the sap stream and then was carried up into the leaf zone. Today, this does not work anymore, now it has to be put into the soil so that it will work faster, and act faster especially when it is needed the most which is the spring time, when the leaf miner starts. The time to apply this material is right now, the faster the better. The weather is turning and the sap is starting starting to run up from the roots, and you must get this material in the sap stream. Apply it to the soil, by punching small holes about three to four inches deep, around the drip line of the tree, which is the area where the water would fall when it rains, since this is the area where the small feeder roots are located. For every inch of tree punch four holes and put in two tablespoons tablespoons undiluted insecticide. Make sure that you cover the holes well, and if the weather is very warm and dry, water the area in to give faster , penetration into the root zone. The systemic insecticide is called Cygon 2E and is available available at all garden centres. U; These are the students studying the Marketing I course at Courtice Secondary School, under instructor instructor John Barrie. Several of those listed were not present when this photo was taken, Anné Marie Bedford, Andrea Bickle, Vicki Biss, Barb Burgess, Laurel Cooper, Cathy Cowle, Lee Anne Currah, Darlene Dart, Linda Egli, Marlene Gil- bank, Perry Halls, Doug Kennedy, Barb Lavigne, Kim Lee, Liana Lloyd, Noreen Lloyd, Debbie Moon, Megan Moore, Natalie Nowosad, Roberta Robinson, Liana Solotarow, Suzanne Stone, Martha Van Belle, Dennie Vandenheuvel, Teresa Vos, Simon Telky and Evelyn Kennett. Willow Art Gallery Has Spring Art Show Willow Run Gallery opens its Spring Art Show and Sale commencing April 23, featuring featuring the fine paintings of Enniskillen artist, Ernie Jukes. Jukes' diversified outdoor interests and broad artistic ability enable him to capture the texture and ruggedness of nature, and the nostalgic feelings and peaceful serenity of rural and still life scenes as he interprets them in watercolour, watercolour, pen and ink, acrylic, oils and photography. Included, in the show are paintings of Atlantic Canada. With artful use of light and shade, his landscapes and seascapes capture an isolated, peaceful moment from morning mist to twilight. "Barns, Barns, Barns" presents presents a variety of old buildings with character, which are rapidly disappearing from rural Ontario. Jukes also preserves the past with his "Yesterday" Series. These carefully detailed detailed watercolours stop time in showing domestic objects popular in bygone days. His Durham Scenes, in pen and ink, present interesting local buildings and mills which are very popular, along with the wide variety of miniatures miniatures displayed at the Willow Run Gallery, 585 King St. E. in Oshawa. SHORNEY'S OPTICIANS "Bowmanville's Eye-Fashion Centre" Where You Get Value For Your Money Many New "84" Styles to Choose From Glasses For The Entire Family Eye Appointments Arranged: Brian C. Larson Participating in Vision Care Manager/Optician Plans (Green Shield, Blue Cross, 30 King St. W., Bowmanville Metropolitan Life, etc.) 623-4477 ATTENTION Come to Carter's Bakery FOR OUR WIDE VARIETY OF FRESH- BAKED: ROLLS - BREADS -- TARTS - PIES, etc. Over 100 Varieties to Choose from See future ads for daily specials Carter's Bakery 21 King St. East 623-5855 Bowmanville