My peach tree(s) which are about 5 years old, started developed "whitish" growth on the stem over the last two years. Great to hear some opinion on

1. How to prevent and avoid issue spreading and maintain a healthy tree

[![Peach_Trunk_Image1_Whitish_growth](https://i.stack.imgur.com/i8qpF.jpg)](https://i.stack.imgur.com/i8qpF.jpg)

[![Peach_Trunk_Image2_Whitish_growth](https://i.stack.imgur.com/hCVld.jpg)](https://i.stack.imgur.com/hCVld.jpg)

Tree Bark Splitting

[![Peach_Trunk_Image3_Bark_Splitting](https://i.stack.imgur.com/g4RDd.jpg)](https://i.stack.imgur.com/g4RDd.jpg)

2) How to prevent brown rot on the fruit - This happened for even fruits that were fine when harvested and subsequently developed brown rot on storage. What are some management techniques during off-season.

[![Peach_Brownrot](https://i.stack.imgur.com/y1Lx5.jpg)](https://i.stack.imgur.com/y1Lx5.jpg)

Fruits rotting on the tree itself

[![Peach_Brownrot](https://i.stack.imgur.com/3SyQa.jpg)](https://i.stack.imgur.com/3SyQa.jpg)

Thank you