If you’ve ever been to a vineyard, you’ve probably seen that they plant rose bushes at the end of each row of grape vines. These rose bushes indicate if there is going to be a problem with the grape vines because the roses are generally weaker than the grape vines, yet have almost the same genetic make-up. The roses will die first if there is a pH-imbalance, insufficient water, too much water, too much sun, or other issues with the environment. The viticulturalists can then react before the …