Termite Incidence on an Araucaria Plantation Forest in Teluk Bahang, Penang DETECTION OF TERMITE DAMAGE IN HOOP PINE (ARAUCARIA CUNNINGHAMII) TREES USING NONDESTRUCTIVE EVALUATION TECHNIQUES

 Termite Incidence on an Araucaria Plantation Forest in Teluk Bahang, Penang

DETECTION OF TERMITE DAMAGE IN HOOP PINE (ARAUCARIA CUNNINGHAMII) TREES USING NONDESTRUCTIVE EVALUATION TECHNIQUES

 

	不同種類白蟻的發生頻率
	數量	C. curvignathus	S. medioobscurus	O. sarawakensis	無白蟻	有白蟻數	有白蟻%
健康的樹	210	4	0	0	206	4	1.90%
不建康的樹	34	12	1	0	21	13	38.20%
死的樹	15	11	4	0	0	15	100%
樹樁	30	19	8	3	0	30	100%
全部	289	46	13	3	227	62	21.40%

 

應力波檢測 :

未受損南洋杉 1154-1669ms-1和1164-1800 ms-1

可能有白蟻  1154 -1664 ms-1

有白蟻 988 -1164 ms-1

 

資料來源:

https://pmc.ncbi.nlm.nih.gov/articles/PMC4553439/

https://www.frim.gov.my/v1/JTFSOnline/jtfs/v28n1/79%9687.pdf