PARTNERSHIP BUYS 5.1 PCT ORANGE-CO <OJ> STAKE Parsow Partnership Ltd, an Elkhorn, Neb., investment partnership, said it bought a 5.1 pct stake in Orange-Co Inc common stock as an investment. In a filing with the Securities and Exchange Commission, Parsow said it had bought all its 220,000 Orange-Co shares in the open market with funds from its working capital. The partnership, whose sole general partner is Elkhorn investor Alan Parsow, said it "has no present intention of effecting any change in the control of Orange-Co Inc."