Malay /English " Garlic spray, chili spray and neem oil spray are suitable to be used as preventive measure whereas tomato leaf spray, baking soda spray, oil spray, soap spray neem oil spray are suitable to address infestation " Homemade insecticides and fungicide are getting more and more popular. I first heard about homemade insecticides and fungicide in 2016 and have been using them since then. My homemade insecticides. Before that, just a few reminders; Reminder #1 : Before using any of the sprays, test it by spraying a little bit on a leaf and observe for 1-2 days; if there is no change on the leaf, that means the spray is safe to be used. However, if there's damage on the leaf, most probably the spray was too concentrated thus it is better to dilute it so as not to harm the plant. Reminder #2 : Avoid spraying on a sunny day as the interaction with oil causing leaves to display signs of leaf burn. Now that you've read t