
A study on the ecological control of red blight of Metasequoia glyptostroboides by integrated forest management
YANG Yi, LIU Bo, YE Jianren, SU Luhui
JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2021, Vol. 45 ›› Issue (6) : 90-98.
A study on the ecological control of red blight of Metasequoia glyptostroboides by integrated forest management
Red blight of Metasequoia glyptostroboides is a typical host-dominated disease. The ecological regulation is one of the best control strategies for this disease, and forestry technology is a basic and fundamental control measure of ecological regulation.Therefore, studying the forest management and control measures could scientifically improve the control strategies for red blight of M. glyptostroboides.【Method】Pure and mixed M. glyptostroboides forests in the green belt were selected, and single factor forest management measures such as thinning, pruning, cleaning, fertilization, soil loosen and the transformation of the pure forest into the mixed forest were used to carry out experiments respectively. In addition, the pure M. glyptostroboides forest was selected to carry out the randomized block-group comprehensive control test of multi factor forest management measures. The control effects of forest management measures on red blight were calculated and analyzed.【Result】 This study showed that the disease index of red blight of M. glyptostroboides decreased to different degrees by thinning and tree density adjustment or the timely clearing of fallen leaves and dead tree stumps or loose soil. Mild pruning had a certain effect on reducing the disease index, but the disease index did not change after moderate pruning. After severe pruning, the disease index of red blight increased, and the incidence and disease index of red blight increased to different degrees after applying nitrogen fertilizer alone. The incidence and disease index were significantly reduced after the application of phosphate and potassium fertilizers. After N, P and K fertilizers were applied, the incidence and disease index decreased but were not significant. After the transformation of the M. glyptostroboides pure forest into the mixed forest, the disease index was significantly reduced. According to the results of the randomized block design of the integrated silvicultural trial, the primary and secondary relationship of the influence on the decline rate of the disease index was: forest transformation > forest health > fertilization > tending. The optimal combination level of integrated silvicultural measures was forest cleaning once + light pruning ventilation + loosening the soil and digging deep + weeding + fertilizing with calcium phosphate and potassium chloride + the transformation of the pure forest into the mixed forest. 【Conclusion】 The reasonable silvicultural measures can control the occurrence and harm of red blight in M. glyptostroboides, and the integrated forest management can be applied to collaborative ecological control effects.
Metasequoia glyptostroboides / red blight of M. glyptostroboides / silvicultural control / ecological regulation
[1] |
李传道. 森林病害流行与治理[M]. 北京: 中国林业出版社, 1995:1-10.
|
[2] |
叶建仁, 贺伟. 林木病理学[M]. 3版.北京: 中国林业出版社, 2011:5-14.
|
[3] |
|
[4] |
|
[5] |
|
[6] |
|
[7] |
NULL. Principles of forest pathology[J]. Choice Rev Online, 1996, 33(11):33-62.DOI: 10.5860/choice.33-62.
|
[8] |
|
[9] |
|
[10] |
束庆龙, 徐建敏, 肖斌, 等. 土壤肥力对板栗枝干病害的影响[J]. 应用生态学报, 2003, 14(10):1617-1621.
|
[11] |
|
[12] |
|
[13] |
|
[14] |
|
[15] |
|
[16] |
|
[17] |
|
[18] |
沈国舫. 森林培育学[M]. 北京: 中国林业出版社, 2001.
|
[19] |
匙明强, 王焱, 叶建仁, 等. 水杉赤枯病病原形态及分子鉴定[J]. 南京林业大学学报(自然科学版), 2013, 37(5):75-80.
|
[20] |
|
[21] |
|
[22] |
|
[23] |
|
[24] |
马元丹, 江洪, 余树全, 等. 不同起源时间的植物叶凋落物在中亚热带的分解特性[J]. 生态学报, 2009, 29(10):5237-5245.
|
[25] |
|
[26] |
|
[27] |
|
[28] |
|
[29] |
|
[30] |
|
[31] |
|
[32] |
|
[33] |
|
[34] |
|
[35] |
|
[36] |
|
[37] |
谷尘平, 姜高明, 王福仲, 等. 水杉苗期对氮素营养需求的研究[J]. 湖北林业科技, 2004, 33(2):19-22.
|
[38] |
姚继周. 水杉人工林细根生产和周转及对氮沉降的响应[D].南京:南京林业大学,2016:58-60.
|
[39] |
|
[40] |
|
[41] |
|
[42] |
|
[43] |
|
[44] |
王邵军. “植物-土壤” 相互反馈的关键生态学问题:格局、过程与机制[J]. 南京林业大学学报(自然科学版), 2020, 44(2):1-9.
|
[45] |
|
[46] |
|
[47] |
惠昊, 关庆伟, 王亚茹, 等. 不同森林经营模式对土壤氮含量及酶活性的影响[J]. 南京林业大学学报(自然科学版), 2021, 45(4):151-158.
|
[48] |
|
[49] |
|
[50] |
|
[51] |
|
[52] |
|
[53] |
|
[54] |
|
[55] |
|
/
〈 |
|
〉 |