Limiting bud rot outdoors

In order to prevent botrytis you will want to focus on building the plants natural immune system. This can be achieved by introducing, silica, beneficial bacteria like Lactobacillus which can be made at home, Trace minerals from sources such as basalt, azomite, montmorillonite. Making sure that she is always fed will help prevent Bud rot as well. Deficiencies can allow plant diseases to flourish because the plants immune defenses are weakened due to lack of nutrients. You may also want to consider spraying an organic fungicide during Veg and beginning of flower such as Mammoth Canncontrol & Dr. Zymes. I hope this helps a bit..