A Literature Survey on Detection of Leaf Disease in Plants

According to the study and survey country India consist most of it parts as an agricultural part, hence given the name of agricultural country and about 70% of the people depends on agriculture for their survival. Early detection of leaf disease is very important research topic. Various numbers of disease caused by fungi, bacteria, nematodes etc. Disease in agriculture/horticulture crops causes a significant reduction in both quantity and quality of agriculture products. Early detection of disease and identification of symptoms of disease by naked eye is difficult for farmer which results the spreading of disease in whole crop. Detection of crops and its protection especially in large farms is done by using computerized image processing techniques by taking colour information of leaves. This paper presents a survey on early leaf disease detection by using image processing techniques.