Use of lemon juice (Citrus limon) for control of leaf curl disease in chilli (Capsicum annuum) crop. Leaves of chilli (Capsicum annuum) plant gets curled. The growth is obstructed and hence the plant remains dwarf. The disease damages mostly to the leaves of the plant. To save the crop, use lemon juice (Citrus limon), which is extracted and water is added to the mixture. This mixture is sprayed to the affected chilli (Capsicum annuum) crop and hence, crop is saved from the curling problem. There is no side effect of this treatment.
Crop: Chilli
Crop Family: Solanaceae
Crop Scientific Name: (Capsicum annum)
Crop Vernacular Name: Mirch, Mirchi
Formulation: Mixture of lemon juice and water
Ingredients: Juice of lemon (Citrus limon), water
"Lemon juice, for example, can sometimes help control small infestations of garden pests, such as ants, aphids and leaf beetles. Because lemon juice is also an ingredient found in some natural herbicides, often coupled with vinegar, use it with caution so you do not cause more harm than good in the garden."
https://homeguides.sfgate.com/spray-bug-pests-lemon-juice-70338.html
"This guide suggests ways to control garden pests using safe and ordinary household chemicals. The good news is that the ingredients needed can be found in your kitchen or medicine cabinet. Examples include baking soda, beer, vegetable oil, chile peppers, vinegar, lemon juice, garlic, dishwashing soap, and rubbing alcohol."
https://www.researchgate.net/publication/50917061_Using_home_remedies_to_control_garden_pests
"Management of Leaf Curl Disease of Chilli (Capsicum annuum L.)"
https://scialert.net/fulltext/?doi=ijv.2010.246.250
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https://www.researchgate.net/publication/311400799_An_integrated_pest_management_IPM_strategy_to_manage_bean_pod_borer_Maruca_vitrata_on_yard-long_bean_in_southeast_Asia