Answer: My thought is that the white liquid is pitch (sap) from the tree that has hardened. If you compare humans to trees, their bark is like our skin, and any opening can allow infection to enter. There are numerous reasons why bark cracks - fungal and bacterial infections already present can cause cankers to grow; weed-whacking too close to trees can cut bark; insects and animals chew bark, too. Your agricultural extension office (ph# 314/583-5141) can put you in touch with someone who can visit to identify the problem and prescribe a solution, often at no cost to you. Or, if you like, you can write back to us for a solution, once the problem has been diagnosed. Good luck in your new yard!
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