Crops ›› 2016, Vol. 32 ›› Issue (4): 167-171.doi: 10.16035/j.issn.1001-7283.2016.04.029

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Effects of Fenaminstrobin-Difenoconazole-Thiamethoxam 45% FSC on Growth,Development,Main Diseases and Insect Pests in Winter Wheat

Wang Shaomin1,Guo Shumei1,Niu Zhenfu1,Zhang He2   

  1. 1 Shandong Agriculture and Engineering University,Jinan 250100,Shandong,China
    2 Shandong Yingcai University,Jinan 250104,Shandong,China
  • Received:2016-03-20 Revised:2016-06-30 Online:2016-08-15 Published:2018-08-26

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Abstract:

The effect of fenaminstrobin-difenoconazole-thiamethoxam 45% FSC on winter wheat emergence, plant quality, the main diseases and insect pests control effect and yield was studied in field experiment with Zhoumai 27 as tested variety. In order to determine the optimal dose, the related research was carried out with 30% thiamethoxam FS 240mL+30g/L difenoconazole FS 200mL per 100kg seed as control agents, setting up three different mass ratio of pesticide to seeds (400g/100kg, 600g/100kg, 800g/100kg). The results showed that: All medicament treatment on wheat did not produce the toxicity, emergence safety, mature security and could significantly improve the germination rate, enhance the quality of wheat plant. There was no significant difference in the disease index (100 strains of aphid) between the chemical treatment and the control agents on main diseases and insect pests of wheat, but the control effect was different. In addition to the 400g/100kg coating control effect on the wireworm and sheath blight was significantly lower than that of control agents, the control effect of rest treatment were no significant difference with the control agent. Wheat yield increase rate of 400, 600, 800g/100kg coating and contrast agent was 6.71%, 8.16% ,9.07% and 8.29% respectively, and were significantly different from CK. The best recommended dosage of fenaminstrobin-difenoconazole-thiamethoxam 45% applied to wheat was 600g/100kg coating in the production.

Key words: Winter wheat, Fenaminstrobin-difenoconazole-thiamethoxam 45%, Growth and development, Diseases and insect pests

Table 1

Effects of different treatments on growth in wheat"

处理
Treatments		 出苗率Emergency rate(%)
播后6d
6 days after
sowing		 播后7d
7 days after
sowing		 播后15d
15 days after
sowing
T1 15.33±1.53a 56.00±2.65a 83.67±1.53a
T2 14.00±1.00a 56.00±1.00a 82.67±1.53a
T3 14.33±0.58a 54.67±2.52a 82.33±1.53a
T0 14.67±1.53a 54.67±3.06a 83.00±2.00a
CK 13.67±1.53a 58.33±2.08a 79.00±1.00b

Table 2

Effects of different treatments on traits in wheat"

处理Treatments 株高Plant height(cm) 根长Root length(cm) 单株根数Number of root per plant 单株根鲜重Root fresh weight per plant(g)
T1 11.52±0.52a 6.57±0.08b 9.59±0.20a 1.41±0.05c
T2 11.85±0.12a 7.10±0.08a 9.73±0.11a 1.52±0.04b
T3 11.70±0.13a 7.21±0.11a 9.69±0.09a 1.57±0.04ab
T0 11.77±0.09a 7.14±0.10a 9.71±0.12a 1.62±0.06a
CK 10.80±0.11b 5.99±0.13c 8.45±0.23b 1.01±0.03d

Table 3

Control effects of different treatments on the main pests of wheat"

处理Treatments 金针虫Elateridae 蚜虫Macrosiphum avenae
被害株率Disease index 防效Control effect(%) 百株蚜量Number of aphid per 100 plant 防效Control effect(%)
T1 0.90+0.118b 73.10±1.24c 480.67±19.86b 44.54±3.27a
T2 0.77±0.126b 77.15±0.25b 456.67±11.06b 47.19±4.96a
T3 0.64±0.051b 80.76±1.89a 450.33±12.66b 47.99±3.76a
T0 0.72±0.126b 78.69±0.07ab 463.00±25.06b 46.62±2.45a
CK 3.36±0.590a - 870.00±86.54a -

Table 4

Control effects of different treatments on the main diseases"

处理
Treatments		 纹枯病Rhizotonia cerealia 白粉病Blumeria graminis 叶锈病Puccinia recondita
病情指数
Disease index		 防效(%)
Control effect		 病情指数
Disease index		 防效(%)
Control effect		 病情指数
Disease index		 防效(%)
Control effect
T1 2.33±0.30b 72.27±0.77c 1.95±0.19b 83.75±0.67c 1.56±0.06b 89.57±0.68a
T2 1.95±0.22b 76.76±0.81b 1.79±0.19b 85.09±0.77b 1.54±0.12b 89.64±1.15a
T3 1.52±0.08b 81.75±1.79a 1.65±0.17b 86.23±0.31a 1.46±0.06b 90.22±0.76a
T0 2.10±0.22b 75.04±1.06b 1.83±0.15b 84.77±0.49bc 1.43±0.15b 90.42±0.74a
CK 8.42±1.22a - 12.03±1.32a - 14.98±1.55a -

Table 5

Yield and yield components of wheat in different treatments"

处理
Treatments		 有效穗数(穗/m2)
Number of spike		 穗粒数
Number of spike		 千粒重(g)
1000-grain weight		 产量(kg/667m2)
Yield		 增产率(%)
Increase rate
T1 608.81±1.31a 32.33±0.28a 41.23±0.19b 541.03±5.93a 6.71±0.31b
T2 610.01±1.39a 32.48±0.27a 41.51±0.16ab 548.33±5.25a 8.16±0.82a
T3 610.32±0.66a 32.57±0.20a 41.72±0.27a 553.00±7.04a 9.07±0.22a
T0 610.23±1.17a 32.39±0.23a 41.67±0.26ab 549.03±8.04a 8.29±0.51a
CK 609.54±1.76a 30.90±0.17b 40.37±0.35c 507.03±6.79b -
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