Possible synergistic effect against the desert locust of a mixture of decis with water extracts of mucuna pruriens (fabacae)... A set of ten 2nd instar nymphs were treated with each respective concentration using hand sprayer (400 ml)....
Journal of insect science | www.insectscience.org 1 toxicity of three insecticides to lysiphlebus fabarum, a parasitoid of the black bean aphid, aphis fabae... Insecticides were also applied to broad bean foliage until run-off using a hand sprayer and the contact toxicity of residues was investigated after 1, 5, 16 and 30 day periods of outdoor weathering by caging adult wasps on treated plants for 24 h....
Toxicity of three insecticides to lysiphlebus fabarum, a parasitoid of the black bean aphid, aphis fabae... Insecticides were also applied to broad bean foliage until run-off using a hand sprayer and the contact toxicity of residues was investigated after 1, 5, 16 and 30 day periods of outdoor weathering by caging adult wasps on treated plants for 24 h....
Operator effort on the operation of the knapsack sprayer pumping lever>ABSTRACT Several equipments are used in the application of agrochemicals by small scale farmers, with emphasis on the knapsack hand sprayer due to the low cost of acquisition and viability of use in different operating conditions....
