riprap

On a nishiki pine bonsai that I have cared for over 23+ years, the needles on several branches have over a few weeks' time turned, first yellowish, then brown and dried. Some of the twigs on the affected branches still have turgid terminal buds and one or a few green needles, but others seem dead to the tips.

The distribution of the branches so affected leads me to think they were not getting enough light -- and indeed I had recently moved the plant to a site where it was more shaded than at any time previously. (I planned this to be a temporary move, while some other garden rearrangement took place.) Some major branches on the top and sunny side of the plant seem unaffected.

As a first step, I've moved the tree to where it gets more even light. But what other first aid steps should I take to make sure it doesn't decline further? Any special feeding? Repot? I have not observed any pests on it (above the soil at least).

Any advice appreciated.

Barry

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