| 1. | It is a degradable surfactant with a mode of action similar to that of larvicidal oil 特性及作用模式和蚊油十分相似,它会在 |
| 2. | Larvicidal activity of the symbiotic bacterium xenorhabdus nematophilus hb310 against three species of cruciferae pests 310对3种十字花科蔬菜害虫杀虫活性的研究 |
| 3. | Some bti products with a sustained release formulation may offer an extended larvicidal activity 有些bti产品有特殊配方,可持续发挥功效,令杀灭蚊子幼虫的时间得以延长。 |
| 4. | Larvicidal oil can provide effective control on both larvae and pupae as it basically kills by suffocating them 蚊油基本上是令幼虫及蛹窒息而死,是一种兼可有效防治蚊子幼虫及蛹的灭蚊幼虫剂。 |
| 5. | Roadside gullies are cleared manually every two weeks . larvicidal oil is added afterwards as a precaution against mosquito breeding 此外,路边的沟渠每两星期以人手清理一次,每次清理后加入灭蚊油,以防蚊子滋生。 |
| 6. | Roadside gullies are cleared manually every two weeks . larvicidal oil is added afterwards as a precaution against mosquito breeding 此外,路边的沟渠每两星期以人手清理一次,每次清理后加入灭蚊油,以防蚊子滋生。 |
| 7. | Roadside gullies are generally cleared manually every two weeks . larvicidal oil is applied weekly as a precaution against mosquito breeding 路边的沟渠通常每两星期以人手清理一次,以及每星期加入灭蚊油,以防蚊虫滋生。 |
| 8. | Roadside gullies are generally cleared manually every two weeks . larvicidal oil is applied weekly as a precaution against mosquito breeding 路边的沟渠通常每两星期以人手清理一次,以及每星期加入灭蚊油,以防蚊虫滋生。 |
| 9. | Roadside gullies , meanwhile , are cleared manually every two weeks . larvicidal oil is added afterwards as a precaution against mosquito breeding 此外,路边的沟渠每两星期以人手清理一次,每次清理后加入灭蚊油,以防蚊子滋生。 |
| 10. | Roadside gullies , meanwhile , are cleared manually every two weeks . larvicidal oil is added afterwards as a precaution against mosquito breeding 此外,路边的沟渠每两星期以人手清理一次,每次清理后加入灭蚊油,以防蚊子滋生。 |