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[1]佘晓云,殷会德,胡占丽,等.双氟磺草胺对麦田残留及土壤酶活性的影响[J].应用与环境生物学报,2018,24(06):1418-1422.[doi:10.19675/j.cnki.1006-687x.2018.02033]
 SHE Xiaoyun,et al..SHE Xiaoyun, YIN Huide, HU Zhanli & SHI Yan**[J].Chinese Journal of Applied & Environmental Biology,2018,24(06):1418-1422.[doi:10.19675/j.cnki.1006-687x.2018.02033]
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双氟磺草胺对麦田残留及土壤酶活性的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
24卷
期数:
2018年06期
页码:
1418-1422
栏目:
研究简报
出版日期:
2018-12-25

文章信息/Info

Title:
SHE Xiaoyun, YIN Huide, HU Zhanli & SHI Yan**
作者:
佘晓云 殷会德 胡占丽 石岩
青岛农业大学旱作技术山东省重点实验室 青岛 266109
Author(s):
SHE Xiaoyun et al.
Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural University, Qingdao 266109, China
关键词:
双氟磺草胺残留量小麦土壤酶
Keywords:
florasulam residue wheat soil enzyme
分类号:
CLC S482.46 : S154
DOI:
10.19675/j.cnki.1006-687x.2018.02033
摘要:
三唑并嘧啶磺酰胺类除草剂双氟磺草胺(Florasulam)主要用于冬小麦田防除杂草. 为了解不同施用量的双氟磺草胺对麦田残留及其土壤酶活性的影响,设置5个不同施用量(对照CK和T1-T4分别为0、15、30、45、60 mL/667 m2)的双氟磺草胺处理,测定不同施用量的双氟磺草胺处理后的麦田残留及其土壤酶(过氧化氢酶、磷酸酶、脲酶、脱氢酶)活性. 结果显示,不同施用量的双氟磺草胺在土壤中的残留量随着小麦生育期逐渐降低,但残留量微少,远远低于0.01 mg/kg. 不同土层中的双氟磺草胺残留量随着土层厚度的增加而逐渐降低. 不同施用量双氟磺草胺处理的土壤酶活性基本上表现为T3 > T2 > T1 > CK > T4,以T3为最高,T4会对土壤酶活性产生抑制作用. 因此,在减少土壤污染和较低的双氟磺草胺残留的前提下,推荐双氟磺草胺的施用量为30-45 mL/667 m2,此结果可为双氟磺草胺的科学使用提供理论依据. (图1 表3 参21)
Abstract:
Florasulam is a three azole and pyrimidine sulfonamide herbicide, mainly used for weeds prevention and control in winter wheat fields. The main purpose of this experiment was to study the effects of different doses of Florasulam on soil residues and on the enzymatic activity of wheat cultivated in drylands, and to provide the theoretical basis for a scientific use of florasulam. Five doses (0, 15, 30, 45, and 60 mL/667 m2) of Florasulam were applied in order to detect differences in soil residue content and enzymatic activities. Soil residues and enzymatic activities (catalase, phosphatase, urease, dehydrogenase) were measured and analyzed after the 5 different doses of Florasulam were processed. The residual amount of Florasulam in the soils decreased gradually with the growth phase of wheat, and was lower than that of 0.01 mg/kg. The residual amount of Florasulam in different soil layers gradually decreased with the increase of soil thickness. The enzymatic activity of soils treated with Florasulam was basically T3 > T2 > T1 > CK > T4, where T3 was the highest, whereas T4 could inhibit the enzymatic activity. Under these experimental conditions, in order to decrease soil pollution and lower Florasulam residues, it is recommended to apply Florasulam at a concentration range of 30 to 45 mL/667 m2.

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更新日期/Last Update: 2018-12-25