Bamboo culms are unique building materials for various kinds of structures. A wider acceptance of bamboo for structural uses, however, is often hindered by its propensity to biological degradation. The preservation of bamboo structures against biological hazards is an important requirement for utilizing this valuable lignocellulose resource. In this research, first, the chemical composition of bamboo tissue and its extractives, natural durability and the process of bamboo decay were investigated using two species of white rot fungi, i.e. Trametes versicolor and Xylaria polymorpha, two brown rot fungi, i.e. Coniophora puteana and Oligoporus placenta, and the soft rot fungus, Xylaria longipes. The samples were subjected to 4, 8, 12, and 16 weeks of exposure to fungi according to EN 113, and their weight loss (WL) and moisture content (MC) were studied. Secondly, aqueous suspension of 1% propiconazole was used as a fungicide to protect bamboo against different rotting fungi. The bamboo species Phyllostachys vivax was highly vulnerable to soft and white rots but showed a relatively higher durability against brown-rot fungi. However, it was not durable enough to be used without preservation and its biological resistance improved after treatment. Surprisingly, WL of bamboos decreased after leaching procedure, which could be related to the extraction of non-structural carbohydrates during leaching with water. A light microscopic study showed that different fungi preferably degrade different cells; white and soft rots mostly invaded ground parenchyma, while in brown rots, deterioration of phloem cells was more severe. In brief, bamboo needs to be treated before indoor and outdoor applications, and propiconazole as a cheap and environmentally friendly preservative can safely protect it against different fungal decay.

竹杆是用于各种结构的独特建筑材料。但是，由于竹子易于生物降解，因此常常阻碍了竹子在结构上的广泛应用。保护竹结构免受生物危害是利用这种宝贵的木质纤维素资源的重要要求。在这项研究中，首先，使用两种白色腐烂真菌，即Trametes versicolor和Xylaria polymorpha，两种棕色腐烂真菌，即Coniophora puteana和Coniophora，对竹组织及其提取物的化学组成，天然耐久性和竹腐过程进行了研究。Oligoporus胎盘和软腐真菌Xylaria longipes。根据EN 113对样品进行4、8、12和16周的真菌暴露，并研究其失重（WL）和水分含量（MC）。其次，将1％丙环唑的水悬浮液用作杀菌剂，以保护竹子免受不同的腐烂真菌侵害。竹子Phyllostachys vivax对软腐烂病和白腐病非常脆弱，但对褐腐病真菌显示出相对较高的耐久性。然而，它不够耐用以至于不能在不保存的情况下使用，并且其生物抗性在处理后得以改善。出人意料的是，浸出后竹子的WL降低，这可能与水浸出过程中非结构性碳水化合物的提取有关。光学显微镜研究表明，不同的真菌最好降解不同的细胞。白色和软腐烂大多侵害地面实质，而在棕色腐烂中，韧皮部细胞的退化更为严重。简而言之，竹子需要在室内和室外应用之前进行处理，而丙环唑作为一种廉价且环保的防腐剂可以安全地保护其免受各种真菌的腐烂。