نتایج جستجو برای: leaf diseases

تعداد نتایج: 930830  

2016
Yongjun Fang Hailiang Mei Binhui Zhou Xiaohu Xiao Meng Yang Yacheng Huang Xiangyu Long Songnian Hu Chaorong Tang

Along with changes in morphology in the course of maturation, leaves of Hevea brasiliensis become more resistant to leaf diseases, including the South American Leaf Blight (SALB), a devastating fungal disease of this economically important tree species. To understand the underlying mechanisms of this defense, and to identify the candidate genes involved, we sequenced the Hevea leaf transcriptom...

Journal: :Applied Engineering in Agriculture 2023

Highlights A rice-leaf-disease detection and classification algorithm for multiple rice-leaf-diseases in a complicated rice leaf image is proposed this article. To increase accuracy, an coarse-to-fine determination proposed. Since features of types such as color, shape, so on are similar difficult to classify even with the human eye, tolerances among those small. The considers enlarging using t...

2014
P. REVATHI M. HEMALATHA

This paper is developed based on machine vision system and data mining techniques to identify the cotton leaf spot diseases. The leaves are most probably affected by the fungi, viral and bacterial diseases in the leaf spot areas which plays a vital role of crop situation. This paper clarifies six types of diseases in the cotton plant. The significance of this research work design is based on ad...

Journal: :Applied sciences 2021

Peanut is an important food crop, and diseases of its leaves can directly reduce yield quality. In order to solve the problem automatic identification peanut-leaf diseases, this paper uses a traditional machine-learning method ensemble output deep learning model identify peanut leaves. The included healthy leaves, rust disease on single leaf, leaf-spot scorch both leaf. Three types data-augment...

2007

Diseases can greatly lower wheat yield and grain quality. Leaf rust, Stagnospora (Septoria) glume blotch, Septoria leaf blotch, and powdery mildew have historically been the most damaging diseases on wheat in Alabama. Stripe rust has recently emerged in the Deep South as a very destructive disease of wheat. Field cropping history, cultivar selection, and weather patterns all have a tremendous i...

2016
Prabhjeet kaur Sanjay Singla

Indian Economy is highly dependent on productivity of agricultural crops/plants. So, there is the need to provide extreme attention to take care of plants/crops. Diseases are the natural factor that can cause some serious effects on plants which ultimately reduces productivity, quality and quantity of products. Manual detection of plant diseases just increases the human efforts as it is not eas...

2017
Mohamed Shamsudin A Rajesh

Mosquito-borne diseases have an economic impact, including loss in commercial and labor outputs, particularly in countries with tropical and subtropical climates; however, no part of the world is free from vector-borne diseases. Vector borne diseases are major sources of illness and death worldwide. Mosquitoes are primary vectors for many dreadful and fatal diseases. Culex quinquefasciatus is t...

2018

Cowpea (Vigna unguiculata L.) Walp is known to be affected by several fungal, bacterial and viral diseases. One of such fungal diseases reported to cause serious yield loss in the cowpea is the Cercospora leaf spot disease caused by two fungi namely, Cercospora canescens Ellis and Martin and Cercospora cruenta [1]. Yield loss attributed to Cercosora leaf spot in susceptible cowpea variety varie...

2018

Cowpea (Vigna unguiculata L.) Walp is known to be affected by several fungal, bacterial and viral diseases. One of such fungal diseases reported to cause serious yield loss in the cowpea is the Cercospora leaf spot disease caused by two fungi namely, Cercospora canescens Ellis and Martin and Cercospora cruenta [1]. Yield loss attributed to Cercosora leaf spot in susceptible cowpea variety varie...

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