Synergistic Herbicide Strategies: Optimizing Weed Control with Glyphosate and Glufosinate Ammonium
Introduction
Weed resistance presents a persistent challenge in modern agriculture, necessitating innovative herbicidal approaches. This study delves into the combined efficacy of 35% Glufosinate Ammonium·Glyphosate Ammonium saltwater solution, aiming to unravel its potential in weed control. The experiment compares this novel solution with other commonly used herbicides, shedding light on its effectiveness against non-cultivated land weeds.
Materials and Methods
To better illustrate the practical application effects of the co-formulation, we conducted the following study. The research involved the use of a range of herbicides, including 35% Glufosinate Ammonium·Glyphosate Ammonium saltwater solution, 95.5% glufosina Ammonium salt raw material. Control agents such as 200 g/L Glufosinate Ammonium SL and 72% Glyphosate Ammonium soluble granules were also included. Biological activity assessment was carried out using the room temperature potted planting method, followed by spray treatment using a fully automatic spraying tower. Field trials were conducted in non-cultivated land, with a focus on various weed species such as barnyard grass, early-maturing foxtail, and rapeseed. The experimental design included different treatments, comprising varying concentrations of the Glufosinate Ammonium·Glyphosate Ammonium saltwater solution, Glyphosate Ammonium soluble granules, Glufosinate Ammonium SL, and water control. Evaluations were performed at 14 and 28 days post-treatment.
Field Efficacy Trials
Field trials were conducted in non-cultivated land, focusing on various weed species such as barnyard grass, early-maturing foxtail, rapeseed, and others. The experimental design encompassed different treatments, including varying concentrations of the Glufosinate Ammonium·Glyphosate Ammonium solution, Glufosinate Ammonium granules, Glufosinate Ammonium aqueous solution, and water control. Assessments were made 14 and 28 days post-treatment.
Results
Table below details the weed control efficacy of different herbicides, showcasing the superiority of the 35% Glufosinate Ammonium·Glyphosate Ammonium saltwater solution. The solution's efficiency, measured in plant control and fresh weight control, demonstrated significant improvement compared to other tested herbicides. The study emphasizes the statistical significance of these results, enhancing the credibility of the findings.
Materials and Methods |
|
|
35% Glufosinate-Ammonium and Glyphosate-Ammonium Salt Solution, 95.5% Glyphosate-Ammonium Salt Technical Material (Zhejiang Xin'an Chemical Group Co., Ltd.); 95% Glufosinate-Ammonium Technical Material (Jiangsu Agro Farm Chemical Co.,Ltd.).
|
Control Agrochemicals |
200 g/L Glufosinate-Ammonium SL (Jiangsu Agro Farm Chemical Co., Ltd.); 72% Glyphosate-Ammonium Soluble Granules (Jinan Lvbang Chemical Co., Ltd., Shandong Province). |
Tested Objects and Crops |
|
|
Barnyard grass, early-maturing ryegrass, rapeseed, small smartweed, goosegrass, horseherb, pigweed, purslane. |
Tested Crops |
Non-cultivated weeds。 |
Biological Activity Assessment on Weeds |
|
Method |
Room temperature potted plant method, foliar spray treatment after seedling emergence. |
Spraying Device |
2WPSHZ-500 automatic spray tower (Nanjing Agricultural Machinery Research Institute). |
Liquid Volume |
10 mL, working pressure 0.2 MPa. |
Observation Period |
25 days after treatment. |
Biological Activity Assessment on Weeds |
|
Location |
Sunlai Road Village, Lingcheng Town, Ling County, Shandong. Non-cultivated land. |
Treatments |
35% Glufosinate-Ammonium and Glyphosate-Ammonium Salt Solution (1050 g/hm2, 1575 g/hm2, 3150 g/hm2), 72% Glyphosate-Ammonium Soluble Granules (1728 g/hm2), 200 g/L Glufosinate-Ammonium Aqueous Solution (900 g/hm2), water spray control. |
Spray Equipment |
HD-400 backpack sprayer. |
Spray Liquid Volume |
1.35 L per plot. |
Assessment Times |
14 days and 28 days after treatment. |
Table : Field Efficacy of 35% Glufosinate-Ammonium and Glyphosate-Ammonium Mixture on Non-Cultivated Weeds
Herbicide |
Active Ingredient (g/hm2) |
Plant Efficacy after 14 Days (%) |
Plant Efficacy after 28 Days (%) |
Fresh Weight Efficacy after 28 Days (%) |
Significance of Difference |
35% Glufosinate-Ammonium + Glyphosate- Ammonium AS |
1050 |
93.22 Cd |
90.8 Cc |
92.84 Dd |
|
35% Glufosinate-Ammonium + Glyphosate- Ammonium AS |
1575 |
93.22 Cd |
95.17 ABb |
96.28 Bb |
|
35% Glufosinate-Ammonium + Glyphosate- Ammonium AS |
2100 |
99.43 Aa |
97.44 Aa |
98.66 Aa |
|
72% Glyphosate-Ammonium SG |
1728 |
94.64 Cc |
92.41 BCc |
95.12 BbCc |
|
900 |
96.32 Bb |
91.88 Cc |
94.38 CcD |
|
Note: Statistical analysis conducted using the "DMRT" method.
Discussion
The results highlight the remarkable efficacy of the 35% Glufosinate Ammonium·Glyphosate Ammonium saltwater solution in controlling non-cultivated land weeds. The concentration-dependent response illustrates the importance of dosage precision for optimal performance. Notably, this novel solution outperformed traditional herbicides, offering a promising alternative for sustainable weed management.
Conclusion
This study provides valuable insights into the enhanced weed control potential of the 35% Glufosinate Ammonium·Glyphosate Ammonium saltwater solution. The comprehensive analysis of its biological activity and field efficacy positions this herbicide combination as a frontrunner in modern weed control strategies. As we navigate the complexities of herbicide resistance, the amalgamation of Glufosinate Ammonium and Glyphosate Ammonium emerges as a potent solution, promising efficient and sustainable weed management in non-cultivated lands.
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