Potato Grower

March 2017

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WWW.POTATOGROWER.COM 33 Kalibrate Potatoes use more potassium than any other nutrient. Potassium is required for nutrient movement in the potato plant. It is essential for the makeup of over 40 different enzymes and is involved in more than 60 different enzyme systems in plants. Potassium is also important in the formation of sugars and starches in plants. In potatoes, potassium influences tuber size, specific gravity, blackspot bruise susceptibility, after-cooking darkening, sugar content, fry color and storage quality. Kalibrate is a highly efficient carbon-chelated liquid potassium that, when applied at planting or side-dress, is taken up from the soil along the length of young, fibrous roots. Potassium is transported in all directions among plant organs in response to metabolic demand. Kalibrate also contains 6 percent sulfur, another essential nutrient for potatoes. AgroLiquid • (800) 678-9029 • www.agroliquid.com • marketing@agroliquid.com Certis USA • (800) 250-5024 • www.certisusa.com Pro-Germinator Plant-available phosphorus is important for more and larger tubers. Pro-Germinator, through proprietary manufacturing technology, contains both ortho-phosphate and carbon-protected polymer phosphate to provide both readily available and controlled-release phosphorus with minimal danger of tie-up in the soil. This controlled release of nutrients provides needed nutrients at planting, hook stage, tuber initiation, and on through flowering and bulking. Pro-Germinator is used primarily for the application of phosphorus but also includes nitrogen, potassium and micronutrients for maximum performance. LifeGard WG The EPA has registered LifeGard WG, the first foliar- applied biological plant activator available on the market, for use on potatoes, sugarbeets, fruiting vegetables, pecans and other specialty agricultural crops to control diseases. LifeGard's active ingredient, the Bacillus mycoides isolate J (BmJ), is a naturally occurring bacterium that triggers an induced systemic resistance (ISR) response in plants. This ISR response mode of action offers efficacy, resistance management materials, low residue levels, and crop and worker safety. LifeGard is NOP-approved and OMRI-listed, is residue exempt, has a four-hour REI, can be applied the day of harvest, and is bee safe. LifeGard triggers a plant's natural immune response to pathogenic fungi, bacteria and viruses. Plants respond to initial detection of potentially pathogenic micro-organisms by "switching on" resistance genes, causing a cascade of metabolic responses to limit infection and disease development. LifeGard is unique in that it works entirely as a microbial ISR activator with no direct antagonistic effect on plant pathogens. LifeGard induces the same genetic resistance pathway as the class of chemical ISR inducers known as benzothiadiazoles, but for longer periods and with lower risk of phytotoxicity.

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