赵 艳,阮云泽,张晓波.海南乐东香蕉园土壤线虫群落及多样性研究[J].广东农业科学,2015,42(7):-69 |
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海南乐东香蕉园土壤线虫群落及多样性研究 |
Soil nematode community structure and diversity in banana garclen in Ledong County of Hainan Province |
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DOI: |
中文关键词: :蕉园 土壤线虫 多样性 |
英文关键词: banana garden soil nematode diversity |
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中文摘要: |
:为研究连作对香蕉园土壤生态系统的影响,以海南乐东香蕉种植区为例,采集不同连作年限(1年、2…
年、3…年和4年)蕉园土壤,采用线虫形态学鉴定方法,分析不同连作年限香蕉园土壤线虫群落结构及多样性的变
化规律。结果表明,植物寄生线虫在群落中占绝对优势,其中肾形线虫是极优势属,并有逐渐扩大趋势;蕉园土壤
线虫多样性指数、均匀度指数、丰富度指数和瓦斯乐斯卡指数虽然存在一定的差异,但不显著;而土壤主要理化
性质中有机质、全磷及全钾含量与线虫生态群落指标成显著或高度相关,是影响土壤线虫生态群落的重要指标。
由此可见,海南乐东种植园香蕉地土壤营养管理中可增施有机肥与磷肥、控施钾肥,以调整土壤理化性质,恢复
土壤健康。 |
英文摘要: |
To study the effects of long-term banana continuous cropping on soil ecosystem,nematode classification
methods were adopted to study the soil nematode community structure and diversity under different continuous cropping
years(1 a,2 a,3 a and 4 a)in Ledong County of Hainan Province. The results indicated that plant-parasitic nematodes
were dominant in the community,Rotylenchulus were the most dominant species which had a trend to widening. No
difference existed in the diversity index,evenness index,richness index and gas Lesi card index of soil nematode
community structure. The main physical and chemical properties including soil organic matter,total phosphorus and total
potassium content had significant or highly correlation with the index of nematodes community,which was an important
indicator of soil nematode ecological communities. In the banana plantation in Ledong of Hainan,we could increase
organic fertilizer and phosphate fertilizer,adjusting and controlling potash fertilizer to regulate the physicochemical
properties of soil and restore the health of soil. |
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