Diseases in plant/crops cause major losses in terms of economy and productions as well as reduction in quantity and quality of agricultural goods/products. Plant disease affect the growth of their species. About 58% of Indian population, agricultural is the primary/elementary source for their livings. Since, 70% of Indian Economy is highly depends only on agricultural yields, so there is need to control the losses done by the diseases. To preventing the losses in quantity and improving the quality of agricultural goods, therefore earlyrecognizance is very important. Still traditional methods being followed by the experts such as naked eye observation that is timeconsuming and expensive. In this paper, image processing techniques and some others technique and methods are used for the detecting the diseases in plant are disscused. It’s includes several steps like in image processing are: image acquisitions, image pre-processing, image segmentations, feature extractions and classifications of plant diseases.

Keywords : Plants Diseases Detection, Image Processing, Classifications