Ram Niwas

Bihar Agriculture University · Plant Pathology

In the original publication [...]

kphu le; ls gh rq ylh ,d ifo=k ikS èkk gS ftls gj ?kj es a yxkdj iw tk gks rh gS A rq ylh dk vk;q oZ s n es a cgq r cM+ k LFkku gS A rq ylh ls cgq r lkjs jks xks a dk mipkj fd;k tkrk gS A blds çfrfnu ls ou djus ls dbZ çdkj ds jks xks a ls jkgr feyrh gS A orZ eku es a bldh [ks rh vkS "k/h; :i es a dh tkus yxk gS A ;g ikS /k iw js Hkkjr es a ik;k tkr...

Northern corn leaf blight (NCLB) of maize, caused by Exserohilum turcicum (Pass.) Leonard and Suggs., is an important foliar disease common across maize-producing areas of the world, including Bihar, India. In this study, virulence and distribution of races were observed against Ht-resistant genes and also identified the E. turcicum race population...

Chickpea, dry root rot, irrigation and incidence. Chickpea (Cicer arietinum L.) popularly known as Gram is an important pulse crop in India. Rhizoctonia bataticola (Taub.) is one of the most destructive fungal pathogen causing dry root rot disease in chickpea. The disease is most severe in the central and southern zones, where the crop is grown mos...

Non-conventional chemical acts as elicitor, disease control agent and reducing the negative effect of chemical pesticide. It reduces environmental pollution, economics of farmers and having long lasting effect. The result of plant and pathogen interactions is significantly influenced by endogenous small molecules which coordinate plant defence resp...

Brinjal (Solanum melongena L) is one of the most common vegetable crops grown in tropical & subtropical regions of the world. Brinjal cultivation is affected by various pest and diseases. The soil borne diseases like fungal and bacterial wilt are the most destructive diseases of brinjal. These are caused by Fusarium oxysporum f.sp. melongenae Schle...

Maize is considered the third most important cereal crop in Asia after rice and wheat. Many diseases affect this crop due to the cultivation of various hybrids. This research aimed to characterize the causative agent of northern corn leaf blight disease in Bihar, India, caused by Ex-serohilum turcicum (Passerini) Leonard and Suggs. Leaf samples wer...

Banana is one of the most important fruit crops. The major losses in banana mainly due to the fungal wilt disease which is caused by Fusarium oxysporum f. sp. cubense. The pathogen is mainly soil bone and saprotrophic in nature that’s why its management is very difficult. The yearly losses of banana by this disease in the world is ranging from 60 t...

Yellow mosaic disease of legumes is known to be caused by four distinct viruses in India, together known as Legume Yellow Mosaic Viruses (LYMV's). There is a lack of information regarding prevalence, distribution and identity of LYMVs on different legumes in tarai region of India. Present study was carried out in northwestern tarai region of Uttara...

In the current scenario, the protection of food crops from diseases and pests is ascending with an expansion in the human population and its needs. The status and significance of different diseases have changed throughout India. Mindfulness is hard to know the status of these issues and to create management modules to secure these in an eco-friendl...

Chitosan has received much interest for potential wide application in agriculture due to its excellent biocompatibility, biodegradability and bioactivity. Chitosan is, a linear polysaccharide composed of randomly distributed b-(1-4)-linked D-glucosamine (deacetylated unit) and N-acetylD-glucosamine (acetylated unit) is an environmental friendly pro...

Plant diseases are significant yield constraining element in agricultural production. Present day farming and agricultural practices regularly depend totally on the utilization of pesticides for plant disease and pest control. All growers, nonetheless, can produce a productive crop with less pesticides application by utilizing appropriate essential...

आज के दौर में भारत में लगभग 100 तरह की सब्जियों की खेती मैदानी भागों से लेकर पहाड़ी इलाकों तक में सपफलतापूर्वक की जा रही है। इनमें 60 ऐसी सब्जियां हैं, जिनकी खेती व्यावसायिक तौर पर लगभग 64 लाख हैक्टर क्षेत्रापफल में करके लगभग 940 लाख टन सब्जियों का उत्पादन किया जा रहा है। इनमें से टमाटर की पफसल वर्षभर ली जा सकती है। किसानों के लिए टमाटर की पफसल आय...

The Banana (Musa spp.) is an important cash fruit crop of India. It ranks first in production and third in area among fruit crops. It is grown in the eastern parts of the Bihar. The Foc may both limit the growth of suckers from which reproduction of banana is achieved, and reduce fruit quality and quantity. The effect of Foc on suckers based on dis...

आम में अधिक मात्रा में विटामिन ‘ए’ एवं ‘बी’ पाया जाता है, जो शरीर के लिए बहुत लाभकारी होता है। सामान्यतः हरे आम में किसी भी प्रकार की महक नहीं होती है, जबकि पके आमों में एक विशेष प्रकार की सुगंध् पायी जाती है। हरे आमों को किसान भाई कापफी समय तक सुरक्षित करके रख सकते हैं, जबकि पके आमों को लंबे समय तक नहीं रखा जा सकता है। हरे आम सामान्यतः खट्टे होते...

This book has been written keeping in mind the various competitive exams related to the discipline of Plant Pathology. Many good theoretical books were referred while writing this book. In this book, a lot objective questions of Plant pathology and previous years question of the ICAR-NET and ICAR-SRF were also included. This book is very useful for...

Agrobacterium tumefaciens causing crown gall disease is one of the major limiting factor in nurseries especially for raising healthy stone fruits plants. Strain k84 of Agrobacterium radiobactor proved an efficient method of biological control of the crown gall disease on commercial scale. Due to physical and chemical heterogeneity of soil and less...

The Bihar State played a most important role in the area and production of banana in India and the most of farmers are totally dependent on the cultivation of those crops. In the current scenerio these crops suffer from a number of diseases caused by fungi, bacteria, viruses, nematodes, and also it is affected by abiotic factors. The present study...

पपीता की पौध तैयार करने की विधि

Current scenario our environment polluted day by day by indiscriminate use of pesticides for the management of plant diseases. In this context the organic cultivation is recognised globally as a priority area in view of the growing concerns on environmental pollution due to increased awareness about the faults of the indiscriminate use of agro-chem...

The banana crop suffers from a number of devastating diseases caused by fungi, bacteria, viruses, nematodes, and a number of environmental factors. The major losses of banana at present by Panama wilt disease pathogen of banana and its management is very typical because it is caused by a soil-borne pathogen (Fusarium oxysporum f. sp. cubense). An e...

The three fungicides, bavistin, nativo and amistar-top in three different concentrations (100, 150 & 200 ppm) and three biocontrol agents Trichoderma viride, T. asperellum and Pseudomonas fluorescens were evaluated against mycelia growth of the causal pathogen Fusarium oxysporum f.sp. cubense in vitro by poisoned food and dual culture techniques, r...

Application-of-paclobutrazol-in-alternate-bearing-fruit-crops

Advanced cultivation of cabbage

Cultivation of Cucurbits in Off-Season Under Low Tunnel

पपीते का तना व जड़ गलन रोग एवं बचाव

वर्तमान में ट्राइकोडर्मा (सूक्ष्मजीव) का उत्पादन, उपयोग तथा कृषि में योगदान

Banana is the fourth most important food crops followed by wheat, Rice and Maize. The major losses of banana at present by Panama wilt pathogen and its management is very typical because it is caused by a soil-borne pathogen (Fusarium ox-ysporum f.sp. cubense). The micronutrients are used to manage the disease as well as it provides the healthiness...

Forecasting of plant diseases means predicting the occurrence of the plant disease in a specified area and time, so that suitable control measures can be undertaken in advance to reduce crop losses. Disease forecasts are predictions of probable outbreaks or increase in intensity of disease. It involves well organized team work and expenditure of ti...

The major losses of banana at present by Panama wilt disease pathogen of banana and its management is very typical because it is caused by a soil-borne pathogen (Fusarium oxysporum f. sp. cubense). The micronutrients are used to manage the disease as well as it provide the healthiness of plant and increases the fertility. The mechanism of healthine...