1. WEED CONTROL WITH NATURAL PRODUCTS NICK CHRISTIANS IOWA STATE UNIVERSITY

2. www.hort.iastate.edu/gluten

3. THE IDEA CAME FROM AN UNRELATED STUDY ON GRASS DISEASES

7. FIVE CORN COMPONENTS TESTED CORN MEAL INDUSTRIAL CORN STARCH DRIED CORN GERM CORN SEED FIBER CORN GLUTEN MEAL

11. BYPRODUCT OF WET MILLING 60% PROTEIN BY WEIGHT 10% NITROGEN BY WEIGHT SOLD AS A FEED MATERIAL FOR CATTLE, POULTRY, FISH, AND DOGS

12. COULD IT BE USED IN TURF AS A NATURAL FERTILIZER AND AS A WEED CONTROL FOR ANNUALS, LIKE CRABGRASS?

13. FIELD TESTING BEGAN IN LATE 1980’S EXCELLENT FERTILIZER GOOD WEED CONTROL 20 LBS/1000 SQ. FT. STANDARD PROGRAM: 20 LBS IN SPRING AND 20 LBS IN LATE SUMMER TO EARLY FALL

14. CONTROL OF ANNUALS APPROXIMATELY 60% FIRST YEAR 80% + IN SECOND YEAR 90% + IN THIRD YEAR

15. HOW ABOUT PERENNIAL BROADLEAVES?

16. Control CGM

17. CONTROL

19. US PATENT 5,030,268 PREEMERGENCE WEED CONTROL USING CORN GLUTEN MEAL

20. WEED SPECTRUM ANNUAL BLUEGRASS BLACK MEDIC BUCKHORN PLANTAIN LAMBSQUARTERS DANDELION FOXTAIL PURSLANE REDROOT PIGWEED

22. STRAWBERRIES

24. GARDENING

26. OTHER CROPS RADISHES ONIONS GARLIC SAFFRON HERBS GRAPES

27. PRODUCT NAMES Safe Lawn Corn Weed Blocker Espoma Organic Weed Ban WOW! Hometown Organics Jonathan Green Organic Weed Control Preen Vegetable Garden Weed Preventer ProPac NaturO Brands. Cockadoodle DOO Organic Weed Control

28. PRODUCT NAMES Renaissance All Natural Fertilizers Gard'n-Wise Organics Scotts Turf Builder and Lawn Pro Dynaweed Premerge Organic Weed-Stopper Plus A-Maize-N CONCERN Weed Prevention Plus

29. WHY DOES IT WORK?

30. DIANNA LIU SOLUBLIZE CORN GLUTEN MEAL HPLC SCREENED 53 METHODS CORN GLUTEN HYDROLYSATE

32. PREEMERGENCE WEED CONTROL USING PLANT GLUTEN HYDROLYSATES US PATENT 5,290,749

33. DIPEPTIDES Glutaminyl-glutamine (Gln-Gln) Alaninyl- asparagine (Ala-Asn) Alaninyl-glutamine (Ala-Gln) Glycinyl-alanine (Gly-Ala) Alaninyl-alanine (Ala-Ala)

34. PREEMERGENCE WEED CONTROL USING DIPEPTIDES ISOLATED FROM CORN GLUTEN HYDROLYSATE US PATENT 5,290,757

35. LIQUID GOLD ENVIRONMENTAL FACTOR ONTARIO, CANADA

36. HOW DOES IT WORK?

37. BRYAN UNRUH CELLULAR CHANGES IN PERENNIAL RYEGRASS ROOTS ASSOCIATED WITH THE ROOT INHIBITING COMPOUND ALANINYL- ALANINE

38. OBJECTIVES TO STUDY MORPHOLOGICAL AND ANATOMICAL CHANGES IN ROOT CELLS OF PERENNIAL RYEGRASS PLANTS TREATED WITH ALANINYL-ALANINE

41. www.hort.iastate.edu/gluten