diagnosis

Hello all! I've been growing a few Austrian pines from seed inspired by the JBP contest. I've noticed a few of these seedlings have browning tips, some with resin on the browning tips. Any idea what this could be? From what I've seen online it seems like needle blight, but a second opinion...

Is this tree alright? Are the spots something to worry about? I got this tree delivered on July 31. It came from Brussels Bonsai and shipped from Mississippi to Central California (zone 9b). There were a few yellow leaves, many simply broken in half, and some with spots when it arrived. I...

I received these from Evergreen Garden works, the first, smaller one in late July, the second larger one in late August. Both trees looked very happy and healthy upon arrival, but after getting the first one, within a week I saw the first signs of these dead leaf spots. A month later I got the...