---
title: "Does anyone know what this could be? The shiny black spot. It’s hard…"
description: "Does anyone know what this could be? The shiny black spot. It’s hard and the little guy is doing just fine. Is this some sort of sap from an injury perhaps?…"
url: "https://getplanta.com/community/vOLjreBcQ-OpqrHIhVSc4w/64d58c15136411846dd9a8cc?language=ja"
community: "The Cactus & Succulent Circle"
author: "Edward"
published: "2023-08-11T01:17:09.352Z"
language: "en"
image: "https://images.getplanta.com/v1/resize/So3X5W0nTl9Oyfhx6bPx2cLH3iUYk_yNdKxSczPR-vM/57edee480d49450ba6dc91b426fd114e.webp?size=large"
---

[コミュニティ](https://getplanta.com/community.md?language=ja) / [The Cactus \& Succulent Circle](https://getplanta.com/community/vOLjreBcQ-OpqrHIhVSc4w.md?language=ja)

# Does anyone know what this could be? The shiny black spot. It’s hard…

_Edwardさんが2023-08-11に投稿しました_

Does anyone know what this could be? The shiny black spot. It’s hard and the little guy is doing just fine. Is this some sort of sap from an injury perhaps? Maybe I just don’t remember anything happening to it in the shuffle of settling him.

![1件中1件目の添付ファイル](https://images.getplanta.com/v1/resize/So3X5W0nTl9Oyfhx6bPx2cLH3iUYk_yNdKxSczPR-vM/57edee480d49450ba6dc91b426fd114e.webp?size=large)

## コメント1件

### Plantaメンバーさんが2023-08-12にコメントしました

Cacti turn black due to fungal diseases, including bacterial necrosis, crown rot, and phyllosticta pad spotting.

---

_Plantaコミュニティ (https://getplanta.com)。閲覧はどなたでも可能です。投稿、コメント、いいねをするには、Plantaアプリをダウンロードしてください: https://getplanta.com/download_