Influence of spray volume and oil concentration on the efficacy of petroleum spray oil against Myzus persicae (Sulzer) (Hemiptera: Aphididae)

被引：12
作者：
Herron, GA
Beattie, GAC
Kallianpur, A
Barchia, I
机构：
[1] Elizabeth Macarthur Agr Inst, Camden, NSW 2570, Australia
[2] Univ Western Sydney, Richmond, NSW, Australia
来源：
AUSTRALIAN JOURNAL OF ENTOMOLOGY | 1998年 / 37卷
关键词：
bioassay method; concentration mortality; spray volume;
D O I：
10.1111/j.1440-6055.1998.tb01547.x
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
A Potter spray tower was used to assess the efficacy of petroleum spray oils against the green peach aphid, Myzus persicae. Increasing spray volume (1.00-5.65 mL) of C23 D-C-Tron NR resulted in a significant (P < 0.001) increase in aphid mortality when oil deposits were held constant (40 g/cm(2)). The practical implications of this result are discussed. LC95 (mu g oil/cm(2)) values of 107, 147 and 87 against C20 Total Citrole, C21 Caltex Lovis and C23 Ampol D-C-Tron NR,respectively, were calculated using a 35 mm Petri dish. These values are higher than those previously recorded for M. persicae using a large 70 mm Petri dish which restricted air Bow and reduced deposit.
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页码：70 / 73
页数：4
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