イロハモミジは枝が枯れている箇所が数箇所あります。

Q&A – Why are branches of my red maple dying?

イロハモミジの病気診断。投げるかおやつにするか？

イロハモミジの剪定方法 - 日本のもみじ！

初心者のためのダイバック剪定 - 例 5

メープルダイバック

イロハモミジの枯れ・焼け対策

イロハモミジの枯れと病気

Why are my Japanese Maple Acer japonica Branches Dying

Q&A – One of the branches of my Japanese maple appears to have died? What should I do?

Seed grown Japanese Maple Bonsai gets a pot upgrade & a prune

The one thing I wish I had known to save my Japanese Maple trees from dying!

One Year Japanese Maple: Structure, Die-Back, Pruning, Wiring, Bleeding and Short Internodes

How to Save an Almost Dead Japanese Maple Tree

Japanese Maples: Why is my tree dying & what can I do?

Dying Acer Palmatum Shaina - Verticillium Wilt / Fungus

Japanese Maple Black Branch Die Back Problem (part 2 of 2)

What To Do About Your Japanese Maples Drying Out Too Quickly?

How to Prune Japanese Maple Trees

Japanese Maples: Secrets of selection, avoid burnt damaged leaves!