| 3%卵磷脂·维生素E对草甘膦的增效作用及在植物体内吸收与传导的影响 |
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| 引用本文： | 相世刚,强胜,夏爱萍,李春林,左娇,宋小玲,张瑞萍.3%卵磷脂·维生素E对草甘膦的增效作用及在植物体内吸收与传导的影响[J].农药学学报,2023,25(2):414-421. |
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| 作者姓名： | 相世刚 强胜 夏爱萍 李春林 左娇 宋小玲 张瑞萍 |
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| 作者单位： | 1.南京农业大学 生命科学学院 杂草研究室，南京 210095 |
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| 基金项目： | 校企合作项目“安融乐对除草剂的增效机理及应用技术研发”. |
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| 摘 要： | 为明确助剂3%卵磷脂·维生素E (商品名为安融乐?,AnnGro?)对草甘膦的增效作用及其在植物体内的吸收与传导的影响,以空心莲子草Alternanthera philoxeroides为试验材料,通过生物测定计算了安融乐?分别与2种草甘膦异丙胺盐水剂(商品名分别为“发达”和“农达”)混用后的ED50值和ED90值,以及药液表面张力和药液与叶面的接触角;利用同位素示踪技术测定了14C-草甘膦在空心莲子草体内的吸收与传导。结果表明:与草甘膦异丙胺盐水剂单用相比,安融乐?与2种草甘膦异丙胺盐水剂混用后空心莲子草的死亡时间均提前1 d;ED50值和ED90值分别降低34.9%、21.4%和35.9%、23.3%;药液表面张力和药液与叶面的接触角均显著降低。处理4 d后,14C-草甘膦+安融乐?处理的空心莲子草体内的14C-草甘膦总吸收量、在植物体内总传导...
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| 关 键 词： | 3%卵磷脂·维生素E 14C-草甘膦 增效作用 空心莲子草 吸收 传导 |
| 收稿时间： | 2022-07-04 |
Synergism effect of 3% lecithin + vitamin E on glyphosate and its absorption conductivity in plants |
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| Affiliation: | 1.Weed Research Lab., College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China2.Beijing Plum Agrochemical Trading Co., Ltd., Beijing 100025, China3.Jiangsu AgraForUm Soil Remediation Co., Ltd., Jiangsu Postgraduate Workstation, Nantong 226300, Jiangsu Province, China |
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| Abstract: | -In order to clarify the synergistic effect of 3% lecithin + vitamin E (AnnGro?) on glyphosate and its absorption and conduction characteristics in plants. Alternanthera philoxeroides was taken as experimental material. The ED50 and ED90 values of AnnGro? mixed with two glyphosate-isopropylammonium (FD and RD) were calculated by bioassay, and the surface tension, and the contact angle of the liquid with the leaf surface were tested. The absorption and conduction of 14C-glyphosate in A. philoxeroides were measured by isotope tracer technique. The results showed that A. philoxeroides died one day earlier when treated by two herbicides mixed with AnnGro? than by the herbicides alone. ED50 and ED90 values were significantly decreased by 34.9%, 21.4%, and 35.9%, 23.3% respectively. The surface tension and the contact angle between the liquid and the leaf were significantly decreased. Four days after treatments, the total absorption amount of 14C-glyphosate, the total conduction amount in plant and the downward conduction amount of 14C-glyphosate in the treatment of 14C-glyphosate + AnnGro? were 2.33, 2.34 and 2.36 times compared with the treatment of 14C-glyphosate only. In conclusion, AnnGro? improved the control efficacy of glyphosate on A. philoxeroides by increasing the absorption and the conduction in A. philoxeroides. |
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