Box or tubular cases (also protective caps, protective pants) in a height between 35 and 80 centimeters, which are pressed into the ground and fixed to the plant rod. This will be the Rebstock sheathed to the desired height pretty tight. It is very important that the covers are firmly anchored in the ground (at least 15 to 20 centimeters deep), otherwise a negative chimney effect is created. High quality cardboard or plastic is used as the material, some brands have a low aluminum content (such as packaging in the beverage industry) and are reusable. There are also translucent materials, which is required in certain winegrowing areas. In the New world Such planting aids are used since the early 1990s in young plants and new plantings. For example, there were applications in Europe in the German growing regions Rheinhessen and Moselle, in Austria as in Luxembourg,
Such plant tubes offer protection against many vine pests fungal infection like, for example, wrong mildew and before game browsing, As a result, much less crop protection measures are required. Inside the tube creates a "small climate effect". As a result, the growth and faster expulsion of the main drive are promoted within the tube, after the leakage of the Triebes From the shell then takes place again a reduced or normal growth. It will also make you unwanted suckers prevented. According to previous experience, the "correct" height of these plant protection covers plays an essential role. Various products are available in the trade, for example the brands Groguard, Tubex and VitiPack.