首页> 外文会议>Annual Conferenceof the New Zealand Plant Protection Society s >Investigating foliar fertiliser effects on the incidence of clover flea (Sminthurus viridis) damage on white clover
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Investigating foliar fertiliser effects on the incidence of clover flea (Sminthurus viridis) damage on white clover

机译:调查对白三叶草的三叶草蚤(Sminthurus viridis)损伤发生率的叶面肥料效应

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Clover flea (Sminthurus viridis (L.) is a sporadic and at times serious pest of white clover in New Zealand. Clover flea feeding is reduced in the laboratory by application of foliar fertilisers. The possibility that this was related to potassium status was tested in outdoor conditions using potted clover plants sprayed with two general purpose fertilisers, Nitrosol~R and Thrive~R, potash, the insecticide diazinon and water. In one experiment, sprayed plants were placed in a paddock where clover fleawere active while in the second, treated plants were surrounded by a barrier and clover flea released into the enclosure. Three treatments significantly reduced the incidence of feeding damage 7-9 days after treatment compared to the water treatment, with diazinon (42-57% reduction in the incidence of damage) more effective than Nitrosol~R (26-44%) and potash (38%). There was no evidence the effect was related to potassium. Only Thrive~R increased the amount of foliage.
机译:三叶草蚤(Sminthurus viridis(L.)是一系列孢子,有时在新西兰的白三叶草害虫。通过应用叶面肥料,在实验室中减少了三叶草饲养。这与钾状况有关的可能性在使用盆栽三叶草植物喷洒两种通用肥料,硝基醇〜r和茁壮成长,钾肥,杀虫剂二代菌和水。在一个实验中,将喷涂的植物置于围草的围草中,其中三叶草在第二个,治疗植物被释放到外壳中的屏障和三叶草跳蚤包围。与水处理相比,治疗后7-9天的喂养损伤发生率显着降低了喂养损伤的发生率,具有二嗪顿(损害发生率42-57%)更多比硝基醇〜r(26-44%)和钾肥(38%)有效。没有证据表明效果与钾有关。只有茁壮成长,增加了叶子的数量。

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