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Insecticidal Activity Of Extracts From 77 Species Of Plants Ⅱ

Nov 08, 2024

Table 3 Insecticidal activity of 77 plants ethanol extracts to Frankliniella occidentalis

Family Species Tested part Mortality (%)    
      24 h 48 h 72 h
Liliaceae S. china L. Rhizome 71.52±1.51 73.68±1.00 75.63±0.98
  P. sibiricum Root 36.77±1.00 40.37±1.48 42.22±1.70
  A. cochinchinensis Root 19.73±0.85 30.93±2.50 39.36±0.73
  A. asphodeloides Stem 31.55±2.66 32.75±0.85 44.18±1.92
  C. majalis L. The whole 18.69±1.40 25.99±2.19 43.01±1.15
Polygonaceae P. bistorta L. Rhizome 18.69±1.40 34.50±1.17 39.44±1.30
  P. hydropiper L. Stem 23.11±2.11 23.99±1.37 45.42±0.88
  R. japonica Houtt. Root 31.65±2.72 47.68±1.86 60.09±3.12
Meliaceae T. sinensis Bark 31.05±1.14 35.12±1.01 36.97±1.07
Campanulaceae P. chinensis Lour The whole 22.68±1.64 33.50±3.03 47.54±1.74
Moraceae M. alba Schneid Leaf 31.74±0.96 34.94±1.57 37.41±1.73
Rosaceae R. crataegifolius Bge. The whole 29.74±0.95 38.43±1.92 46.20±3.33
  E. japonica Leaf 30.14±2.88 32.08±2.63 40.97±1.49
  D. purpusilla L. Root 11.84±0.66 22.30±1.51 33.16±2.54
Lauraceae L. nobilis L. Leaf 23.84±0.59 28.07±0.64 35.98±1.79
Ranunculaceae P. lactiflora Pall Root 20.00±1.11 21.29±0.97 23.35±1.42
  P. chinensis Root 34.11±2.26 39.60±2.54 47.17±2.27
  C. foetida L. Rhizome 17.05±1.61 24.50±0.72 33.19±1.48
  C. simplex Rhizome 21.04±2.05 33.21±0.61 47.48±1.78
  M. multifloriticum The whole 12.40±0.93 23.65±1.15 34.50±1.17
Loranthaceae V. coloratum Stem 9.04±0.96 13.98±1.42 23.37±1.49
Rubiaceae R. cordifolia L. The whole 14.15±0.82 22.42±2.15 29.69±2.14
  G. verum L. The whole 32.54±2.46 41.35±2.04 60.87±1.40
Berberidaceae N. domestica The whole 19.68±0.52 29.12±1.42 36.78±1.97
Asteraceae S. pubescens The whole 24.24±1.67 25.28±0.85 38.36±1.21
  S. calcimuliensis The whole 67.81±1.10 77.78±0.68 85.87±1.44
  E. japonicum The whole 51.63±2.23 56.95±1.54 70.81±3.36
  A. lappa The whole 17.05±1.61 45.42±0.98 65.55±1.58
  A. tataricus L. f The whole 19.77±2.24 20.96±1.27 34.94±1.02
Fabaceae K. striata The whole 46.29±1.80 46.65±1.41 50.72±1.44
  D. Lablab L. Seed 8.48±0.97 10.33±0.78 18.75±1.27
Brassicaceae A. petalum L. The whole 27.02±2.98 45.42±0.98 50.36±1.84
  T. arvense L. Seed 17.77±2.23 20.96±1.27 27.95±1.13
Caryophyllaceae D. chinensis L. The whole 37.47±2.00 44.44±1.69 55.97±1.41
Thymelaeaceae S. chamaejasme L. Root 33.63±0.29 44.25±0.19 51.99±0.87
Gentianaceae G. macrophylla Pall Root 24.82±1.12 34.50±1.17 44.70±3.96
  S. bimaculata The whole 15.92±2.30 28.81±2.45 35.14±2.56
Verbenaceae C. bodinieri Levl The whole 12.11±2.03 18.72±0.41 27.67±2.87
  C. bungei Steud The whole 14.70±0.73 31.98±2.12 34.94±1.02

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Family Species Tested part Mortality (%)    
      24 h 48 h 72 h
Apiaceae A. grayleonis L. Fruit 21.09±0.64 27.60±1.48 33.73±1.89
  C. carvi L. Fruit 30.71±2.30 35.69±3.25 43.99±2.09
  C. monnieri (L.) Cuss Fruit 16.74±1.93 25.41±1.93 39.70±1.54
Malvaceae A. officinalis L. Root 15.20±2.42 20.50±2.96 35.12±1.01
  H. syriacus L. Flower 18.69±1.40 32.03±3.22 44.18±1.92
Bignoniaceae C. grandiflora Flower 51.67±1.85 53.19±2.08 70.94±2.34
  I. sinensis Lam. The whole 33.23±0.11 52.14±1.33 70.89±0.73
Euphorbiaceae P. tricuspidata The whole 41.68±1.14 46.57±1.36 53.56±1.39
  P. leptostachya subsp The whole 25.97±3.73 31.04±2.14 37.90±2.99
  A. australis The whole 30.20±2.31 34.35±2.54 36.30±1.19
Araceae A. heterophyllum Tuber 28.58±1.14 31.00±1.66 48.30±1.93
  A. tatarinowii The whole 28.71±1.20 42.64±1.68 57.85±1.72
Cyperaceae S. yagara Ohwi The whole 23.08±1.04 27.38±0.78 34.68±0.85
Scrophulariaceae V. polita Fries The whole 20.35±0.35 24.11±0.94 31.24±1.07
Chenopodiaceae K. scoparia The whole 35.13±1.01 39.99±0.49 41.84±1.39
Oxalidaceae O. acetosella L. The whole 11.24±1.69 16.37±0.29 18.71±2.50
Aristolochiaceae S. henryi Oliv. The whole 35.16±1.02 36.97±2.55 41.09±1.74
  F. recisa Pierre Stem 18.96±0.55 25.26±1.60 27.11±0.59
Solanaceae H. niger L. Seed 15.09±0.38 18.29±1.92 36.63±1.71
  S. nigrum L. The whole 16.93±1.55 32.75±1.65 41.20±0.46
  A. belladonna L. The whole 72.84±1.11 80.47±1.01 88.10±1.10
Phytolacca P. acinosa Roxb The whole 27.86±2.53 42.76±2.31 51.59±3.16
Caesalpiniaceae S. Thunb Root 12.12±0.83 14.52±1.13 18.71±2.05
Caprifoliaceae L. caucrasijaponica The whole 18.60±1.40 23.65±1.15 27.84±1.12
Elaeagnaceae E. pungens Root 29.89±1.17 46.51±1.04 48.57±1.03
  H. rhamnoides Fruit 44.20±0.40 50.72±1.78 70.34±1.10
Pyrolaceae P. calliantha The whole 26.26±0.65 29.12±1.68 39.84±0.64
Apocynaceae T. jasminoides Stem 15.76±2.26 18.02±1.17 26.06±0.13
Celastraceae E. alatus Sieb Stem 37.84±2.16 39.51±1.96 43.21±2.09
Vitaceae V. wilsonae Veitch Root 21.51±2.25 31.19±2.03 43.47±0.59
Lamiaceae O. vulgare L. The whole 33.47±1.82 35.35±1.42 42.06±1.11
  L. japonicus The whole 20.29±0.77 22.88±0.92 29.34±0.88
Papaveraceae C. majus L. The whole 37.72±1.25 49.49±2.55 61.48±1.58
  H. erectum L. The whole 55.00±0.96 62.30±0.76 72.64±1.13
  C. yanhusuo W. T. Tuber 16.05±1.65 21.34±1.61 23.29±0.35
Rutaceae P. amurense Rupr Bark 26.14±1.13 27.23±1.30 33.70±1.05
Convolvulaceae I. nil Roth Seed 23.19±1.15 49.43±3.49 61.48±3.82
  I. nil Roth Seed 25.21±0.78 28.51±2.54

46.59±2.15

 

 

 

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Table 6 Efficacy of 5 plants ethanol extracts on Schizaphisgraminum (72 h)

Simple Toxicity regression equation LC₅₀ (mg/mL) 95% Fiducial interval (mg/mL) r χ² value P value
R. japonica Houtt. Y=1.660X+0.915 281 135~387 0.984 3.183 0.364
K. scoparia Y=1.239X+0.226 657 439~1445 0.959 0.980 0.806
S. chamaejasme L. Y=1.211X+0.165 730 492~1978 0.942 0.319 0.956
A. belladonna L. Y=1.292X+0.611 336 126~486 0.979 0.392 0.942
R. crataegifolius Bge. Y=1.304X+0.349 540 342~882 0.966 0.184 0.980

Note: Equation fits the fact unless the χ² was less than 7.81.

 

 

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Its insecticidal activity against sap-sucking pests is still unclear. Therefore, this study selected two-spotted spider mites, western flower thrips and wheat aphids, which are important sap-sucking pests in crop and vegetable production, as test objects. Through single plant screening, it was found that belladonna, knotweed, wedelia and smilax had good activity against the above-mentioned sap-sucking pests. Among them, belladonna has high insecticidal activity against two-spotted spider mites, western flower thrips and wheat aphids, wedelia and smilax have high insecticidal activity against two-spotted spider mites and western flower thrips, and knotweed has the highest insecticidal activity against wheat aphids. This study can provide a theoretical basis for the later development of new broad-spectrum botanical insecticides and their active ingredients. In addition, belladonna, knotweed, wedelia and smilax are widely distributed in my country, easy to breed, high in yield and cheap in price, and have good prospects for development into new botanical insecticides.
In short, the research, development and use of botanical insecticides are in line with the concept of "green agriculture" advocated by people and the need to develop pollution-free agricultural products. Therefore, making full use of my country's plant resources and developing "environmentally friendly, highly effective and residue-free" botanical insecticides has become an important strategy for future pest control, which is of great significance to my country's green pest control and sustainable agricultural development.

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References


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