硅酸钾在大麦上的应用潜力、玉米叶蚜管理的普通Hordeum、玉米叶蚜（Rhopalosiphum maidis） L

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2025-06-09 DOI:10.1016/j.cropro.2025.107311

Sunny Maanju , Surender Singh Yadav , Poonam Jasrotia , Manoj Kumar Jat , Preeti Sharma , Gyanendra Singh

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引用次数: 0

摘要

玉米叶蚜虫（CLA）对大麦（Hordeum vulgare）最感兴趣，并吸其韧皮汁液。由于缺乏抗玉米叶蚜虫的大麦品种，本研究在控制条件下(20℃；70±10% RH)在ICAR-IIWBR（印度）。不同浓度的钾和水玻璃处理分别为：T1-Na2SiO3 0.25%、T2-Na2SiO3 0.5%、T3-Na2SiO3 1%、T4-K2SiO3 0.25%、T5-K2SiO3 0.5%、T6-K2SiO3 1%和C-Control。在t6 - k2sio31中，Si沉积率最高，在650 nm波长处平均吸光度为0.1396。在自由（LSD = 0.34）和配对选择（LSD = 0.18）条件下，t6 - k2sio31 %（0.73和0.25）的蚜虫数量与t3 - na2sio31 %（0.88和0.40）的蚜虫数量相当。与对照相比，t6 - k2sio31的若虫产量最低，为7.04只（LSD = 2.42），平均蚜虫数最高，为82.05%。综上所述，硅酸钾处理效果优于硅酸钠处理，t6 - k2sio31 %为最佳处理，可作为大麦大麦麦瘟的环境友好处理。本研究为进一步研究硅在现场条件下治理CLA的应用前景奠定了基础。

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Potential of potassium silicate application on barley, Hordeum vulgare for management of corn-leaf aphid, Rhopalosiphum maidis (Fitch) L

Corn-leaf aphid (CLA), Rhopalosiphum maidis (Fitch) prefers barley (Hordeum vulgare) the most and suck its phloem sap. Owing to lack of resistant barley cultivars against R. maidis, the current study was formulated to evaluate the effect of seven silicon (Si) treatments (including control) on feeding preference of R. maidis on detached-barley leaf sections under free and pair choice tests in controlled conditions (20 °C; 70 ± 10 % RH) at ICAR-IIWBR (India). The treatments included different concentrations of potassium and sodium silicate as: T₁-Na₂SiO₃ 0.25 %, T₂-Na₂SiO₃ 0.5 %, T₃-Na₂SiO₃ 1 %, T₄-K₂SiO₃ 0.25 %, T₅-K₂SiO₃ 0.5 %, T₆-K₂SiO₃ 1 % and C-Control. The statistically highest Si deposition was observed in T₆-K₂SiO₃ 1 % with 0.1396 mean absorbance at 650 nm wavelength. In a similar trend, the significantly minimum number of aphids were reported on T₆-K₂SiO₃ 1 % (0.73 and 0.25) which was at-par with T₃-Na₂SiO₃ 1 % (0.88 and 0.40) under free (LSD = 0.34) and pair choice tests (LSD = 0.18), respectively. The nymph production was also significantly lowest in T₆-K₂SiO₃ 1 % with 7.04 nymphs (LSD = 2.42) and highest reduction of 82.05 % in mean number of aphids over control. Overall, potassium silicate was more effective than sodium silicate with T₆-K₂SiO₃ 1 % as the best treatment which can be utilized as an environmentally friendly approach for R. maidis management in barley. This study can form the basis of further investigations on prospects of silicon application for managing CLA under field conditions.

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来源期刊

Crop Protection 农林科学-农艺学

CiteScore

6.10

自引率

3.60%

发文量

200

审稿时长

29 days

期刊介绍： The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.