LIU Suhui,Xu Jinqiang,QIN Xu,et al.Effects of Different Garlic Intercropping Periods on Tomato Rhizosphere Soil Microbes[J].Northern Horticulture,2018,42(12):1-6.[doi:10.11937/bfyy.20174096]
不同套蒜期对番茄根际土壤微生物的影响
- Title:
- Effects of Different Garlic Intercropping Periods on Tomato Rhizosphere Soil Microbes
- Keywords:
- tomato; garlic; relay intercropping; microorganism
- 文献标志码:
- A
- 摘要:
- 以番茄品种“劳斯特”和大蒜品种“苍山白皮蒜”为试材，采用随机区组排列设计方法，分别以单作大蒜作为对照（D1）、单作番茄作为处理1（D2）、番茄定植0 d后套作大蒜作为处理2（B1）、番茄定植15 d后套作大蒜作为处理3（B2）、番茄定植30 d后套作大蒜作为处理4（B4），研究了不同套蒜时期对番茄根际土壤微生物的影响。结果表明：番茄不同套蒜期处理下根际土壤中细菌、真菌、放线菌、硝酸细菌、氨化细菌和硫化细菌数量与D1和D2差异达极显著水平（P<0.01）。细菌、放线菌、硝酸细菌、氨化细菌数量在整个处理期内均呈现先升高后降低的趋势，细菌和放线菌数量在处理100 d时达到最大值，其中B1、B2和B3处理较D1分别增加83.06%、63.75%、44.65%和52.46%、11.32%、29.50%；硝酸细菌和氨化细菌数量在处理70 d时达到最大值，其中B1、B2和B3处理较D1分别增加132.51%、105.56%、74.50%和70.00%、50.36%、37.54%。真菌和硫化细菌在整个处理期内表现出逐渐升高的趋势，至处理第130天时达到最大值，其中处理B1、B2和B3较D1分别增加87.44%、67.98%、62.64%和154.34%、151.08%、148.53%。不同套蒜期对番茄根际微生物数量的影响存在差异，套蒜番茄根际微生物数量显著高于单作番茄和单作大蒜，以番茄定植后15 d套蒜最有利于根际微生物数量的增加，有利于番茄根际土壤微环境的改善。
- Abstract:
- With tomato variety ’Routh’ and garlic variety ’Cangshan white garlic’ as the test materials, treatments were set up by the random area arrangement design method, which were treated with single cropping garlic as control (D1), single cropping tomato as treatment 1 (D2) tomato was planted by 0 day after planting garlic as treatment 2 (B1)，tomato was planted by 15 days after planting garlic as treatment 3 (B2)，tomato was planted by 30 days after planting garlic as treatment 4 (B3)，to study the effects of different garlic periods on soil microorganism in tomato rhizosphere soil.The results showed that the number of bacteria, fungi, actinomycetes, nitrate bacteria, ammoniacal bacteria and vulcanized bacteria in the rhizosphere soil of Tomato under different garlic periods reached a very significant level (P<0.01) with the control of monoculture tomatoes and the treatment of single cropping garlic. The number of bacteria, actinomycetes, nitrate bacteria and ammoniacal bacteria increased first and then decreased, the number of bacteria and actinomycetes reached the maximum at 100 days, and the treatment of B1, B2 and B3 increased by 83.06%, 63.75%, 44.65% and 52.46%, 11.32%, 29.50%, respectively, and nitrate and ammoniacal bacteria. The number reached the maximum when treated at 70 days, and B1, B2 and B3 increased 132.51%, 105.56%, 74.50% and 70%, 50.36%, 37.54%,respectively. Fungal and sulfur-oxidizing were gradually increased with the growth period, and reached the maximum when treated with 130 days, and the treatment of B1, B2 and B3 increased by 87.44%, 67.98%, 62.64% and 154.34%, 151.08% and 148.53%, respectively. The effect of different garlic periods on the number of rhizosphere microorganisms in tomato was different. The number of rhizosphere microorganisms in tomato plant was significantly higher than that of monoculture tomato and single cropping garlic. The 15 days garlic set after tomato planting was the most beneficial to the increase of rhizosphere microorganism, which was beneficial to the improvement of Soil Microenvironment in the rhizosphere of tomato.
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[J].Northern Horticulture,2018,42(12):207.[doi:10.11937/bfyy.20180446]
备注/Memo
第一作者简介：刘素慧（1981-），女，讲师，博士，现主要从事蔬菜生物学等研究工作。E-mail：3190868269@qq.com. 基金项目：山东省高等学校科技计划资助项目(J15LF52)。 收稿日期：2018―02―23 中图分类号：S641.204+.7 文献标识码：A 文章编号：1001—0009（2018）12—0000—07