Chinese Agricultural Science Bulletin ›› 2024, Vol. 40 ›› Issue (23): 135-142.doi: 10.11924/j.issn.1000-6850.casb2023-0654
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LI Meixia(), WANG Xiaofei, CHEN Yali, QIAN Xin, ZHOU Changyong, FU Yousheng, CAO Kaige, LIU Weizhong(
)
Received:
2023-09-22
Revised:
2024-04-18
Online:
2024-08-15
Published:
2024-08-09
LI Meixia, WANG Xiaofei, CHEN Yali, QIAN Xin, ZHOU Changyong, FU Yousheng, CAO Kaige, LIU Weizhong. Leaf Neoplasia Pathogen on Euryale ferox: Biological Characteristics and Fungicide Screening[J]. Chinese Agricultural Science Bulletin, 2024, 40(23): 135-142.
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URL: https://www.casb.org.cn/EN/10.11924/j.issn.1000-6850.casb2023-0654
处理 | 杀菌剂 | 药剂浓度/(mg/L) | 剂量/(mL/hm2) |
---|---|---|---|
T1 | 戊唑醇 | 0,0.195,0.39,0.78,1.5,3.0 | 112.5 |
T2 | 吡唑醚菌酯 | 0,0.125,0.5,1,2,4,8 | 360 |
T3 | 丙硫菌唑 | 0,0.1,0.2,0.4,08,1.6,3.2,6.4 | 600 |
T4 | 苯醚甲环唑 | 0,0.5,1,2,4,8,10,20,40 | 225 |
T5 | 氟环唑 | 0,0.1,0.2,0.4,08,1.6,3.2,6.4 | 675 |
T6 | 丙环唑 | 0,0.5,1,2,4,8,10,20,40 | 450 |
T7 | 嘧菌酯 | 0,0.5,1,2,4,8,10,20,40 | 750 |
处理 | 杀菌剂 | 药剂浓度/(mg/L) | 剂量/(mL/hm2) |
---|---|---|---|
T1 | 戊唑醇 | 0,0.195,0.39,0.78,1.5,3.0 | 112.5 |
T2 | 吡唑醚菌酯 | 0,0.125,0.5,1,2,4,8 | 360 |
T3 | 丙硫菌唑 | 0,0.1,0.2,0.4,08,1.6,3.2,6.4 | 600 |
T4 | 苯醚甲环唑 | 0,0.5,1,2,4,8,10,20,40 | 225 |
T5 | 氟环唑 | 0,0.1,0.2,0.4,08,1.6,3.2,6.4 | 675 |
T6 | 丙环唑 | 0,0.5,1,2,4,8,10,20,40 | 450 |
T7 | 嘧菌酯 | 0,0.5,1,2,4,8,10,20,40 | 750 |
药剂 | 浓度/(mg/L) |
---|---|
戊唑醇 | 0, 0.195,0.39,0.78,1.5,3,6 |
吡唑醚菌酯 | 0,0.125,0.5,1,2,4,8 |
戊:吡=1:1 (T1:T2=1:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=1:2 (T1:T2=1:2) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=1:3 (T1:T2=1:3) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=1:4 (T1:T2=1:4) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=1:5 (T1:T2=1:5) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=5:1 (T1:T2=5:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=4:1 (T1:T2=4:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=4:1 (T1:T2=3:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=3:1 (T1:T2=2:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
药剂 | 浓度/(mg/L) |
---|---|
戊唑醇 | 0, 0.195,0.39,0.78,1.5,3,6 |
吡唑醚菌酯 | 0,0.125,0.5,1,2,4,8 |
戊:吡=1:1 (T1:T2=1:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=1:2 (T1:T2=1:2) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=1:3 (T1:T2=1:3) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=1:4 (T1:T2=1:4) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=1:5 (T1:T2=1:5) | 0,0.195,0.781,3.125,12.5,50 |
戊:吡=5:1 (T1:T2=5:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=4:1 (T1:T2=4:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=4:1 (T1:T2=3:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
戊:吡=3:1 (T1:T2=2:1) | 0, 0.195,0.39,0.78,1.5,3,6 |
药剂 | 回归方程 | EC50值/(mg/L) | r |
---|---|---|---|
T1 | Y=5.0606+1.1327X | 0.8992 | 0.9908 |
T2 | Y=5.2871+1.5517X | 0.6531 | 0.9813 |
T3 | Y=6.2920+1.6513X | 0.1650 | 0.9988 |
T4 | Y=4.6335+1.3425X | 1.8751 | 0.9933 |
T5 | Y= 5.0465+1.3300X | 0.9227 | 0.9836 |
T6 | Y=4.7043+0.7996X | 2.3432 | 0.9863 |
T7 | Y=4.4152+0.7479X | 6.0517 | 0.9912 |
药剂 | 回归方程 | EC50值/(mg/L) | r |
---|---|---|---|
T1 | Y=5.0606+1.1327X | 0.8992 | 0.9908 |
T2 | Y=5.2871+1.5517X | 0.6531 | 0.9813 |
T3 | Y=6.2920+1.6513X | 0.1650 | 0.9988 |
T4 | Y=4.6335+1.3425X | 1.8751 | 0.9933 |
T5 | Y= 5.0465+1.3300X | 0.9227 | 0.9836 |
T6 | Y=4.7043+0.7996X | 2.3432 | 0.9863 |
T7 | Y=4.4152+0.7479X | 6.0517 | 0.9912 |
药剂 | 第1次药后7 d | 末次药后14 d | ||||
---|---|---|---|---|---|---|
病情指数 | 防治效果/% | 病情指数 | 防治效果/% | |||
T1 | 2.97±0.28 c | 62.86±3.45 a | 0.31±0.05 d | 94.36±0.96 a | ||
T2 | 2.94±0.44 c | 63.21±5.46 a | 0.80±0.10 cd | 85.64±1.74 ab | ||
T3 | 2.86±0.23 c | 64.29±2.88 a | 0.97±0.12 bcd | 82.56±2.21 b | ||
T4 | 3.20±0.48 bc | 60.00±6.02 ab | 1.14±0.15 bcd | 79.49±2.69 bc | ||
T5 | 4.00±0.40 b | 50.00±4.96 b | 1.63±0.26 bc | 70.77±4.63 c | ||
T6 | 4.17±0.47 b | 47.86±5.82 b | 1.71±0.26 b | 69.23±4.66 c | ||
T7 | 3.74±0.32 bc | 53.21±4.05 ab | 0.71±0.23 d | 87.18±4.05 ab | ||
CK | 8.00±0.54 a | — | 5.57±0.56 a | — |
药剂 | 第1次药后7 d | 末次药后14 d | ||||
---|---|---|---|---|---|---|
病情指数 | 防治效果/% | 病情指数 | 防治效果/% | |||
T1 | 2.97±0.28 c | 62.86±3.45 a | 0.31±0.05 d | 94.36±0.96 a | ||
T2 | 2.94±0.44 c | 63.21±5.46 a | 0.80±0.10 cd | 85.64±1.74 ab | ||
T3 | 2.86±0.23 c | 64.29±2.88 a | 0.97±0.12 bcd | 82.56±2.21 b | ||
T4 | 3.20±0.48 bc | 60.00±6.02 ab | 1.14±0.15 bcd | 79.49±2.69 bc | ||
T5 | 4.00±0.40 b | 50.00±4.96 b | 1.63±0.26 bc | 70.77±4.63 c | ||
T6 | 4.17±0.47 b | 47.86±5.82 b | 1.71±0.26 b | 69.23±4.66 c | ||
T7 | 3.74±0.32 bc | 53.21±4.05 ab | 0.71±0.23 d | 87.18±4.05 ab | ||
CK | 8.00±0.54 a | — | 5.57±0.56 a | — |
戊唑醇:吡唑醚菌酯 | 回归方程 | r | EC50值/(mg/L) | 增效系数 SR | |
---|---|---|---|---|---|
实际 | 理论 | ||||
戊唑醇 | Y=5.06064+1.1327X | 0.9908 | 0.8992 | —— | —— |
吡唑醚菌酯 | Y=5.2044+1.1804X | 0.9935 | 0.6712 | —— | —— |
1:1 | Y=5.0731+1.0413X | 0.9928 | 0.8507 | 0.7686 | 0.9035 |
1:2 | Y=4.9653+1.3943X | 0.9982 | 1.0589 | 0.7332 | 0.6924 |
1:3 | Y=5.0199+1.2360X | 0.9839 | 0.9636 | 0.7166 | 0.7437 |
1:4 | Y=4.9878+1.2329X | 0.9986 | 1.1023 | 0.7071 | 0.6414 |
1:5 | Y=4.9446+1.5790X | 0.9922 | 1.0841 | 0.7008 | 0.6464 |
2:1 | Y=5.0526+0.7387X | 0.9954 | 0.8489 | 0.8077 | 0.9515 |
3:1 | Y=5.1290+0.9741X | 0.9889 | 0.7372 | 0.8288 | 1.1243 |
4:1 | Y=5.1023+1.1237X | 0.9852 | 0.8093 | 0.8420 | 1.0404 |
5:1 | Y=5.2419+0.9724X | 0.9915 | 0.5639 | 0.8510 | 1.5092 |
戊唑醇:吡唑醚菌酯 | 回归方程 | r | EC50值/(mg/L) | 增效系数 SR | |
---|---|---|---|---|---|
实际 | 理论 | ||||
戊唑醇 | Y=5.06064+1.1327X | 0.9908 | 0.8992 | —— | —— |
吡唑醚菌酯 | Y=5.2044+1.1804X | 0.9935 | 0.6712 | —— | —— |
1:1 | Y=5.0731+1.0413X | 0.9928 | 0.8507 | 0.7686 | 0.9035 |
1:2 | Y=4.9653+1.3943X | 0.9982 | 1.0589 | 0.7332 | 0.6924 |
1:3 | Y=5.0199+1.2360X | 0.9839 | 0.9636 | 0.7166 | 0.7437 |
1:4 | Y=4.9878+1.2329X | 0.9986 | 1.1023 | 0.7071 | 0.6414 |
1:5 | Y=4.9446+1.5790X | 0.9922 | 1.0841 | 0.7008 | 0.6464 |
2:1 | Y=5.0526+0.7387X | 0.9954 | 0.8489 | 0.8077 | 0.9515 |
3:1 | Y=5.1290+0.9741X | 0.9889 | 0.7372 | 0.8288 | 1.1243 |
4:1 | Y=5.1023+1.1237X | 0.9852 | 0.8093 | 0.8420 | 1.0404 |
5:1 | Y=5.2419+0.9724X | 0.9915 | 0.5639 | 0.8510 | 1.5092 |
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