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Wednesday, May 20, 2020 | History

2 edition of Investigations on stalk-rot diseases of maize in U.A.R. found in the catalog.

Investigations on stalk-rot diseases of maize in U.A.R.

United Arab Republic. Maize and Sugar Cane Diseases Control.

Investigations on stalk-rot diseases of maize in U.A.R.

by United Arab Republic. Maize and Sugar Cane Diseases Control.

  • 297 Want to read
  • 33 Currently reading

Published by General Organisation for Govt. Print. Offices in Cairo .
Written in English

    Places:
  • Egypt.
    • Subjects:
    • Corn -- Diseases and pests -- Egypt.

    • Edition Notes

      Statementby A. S. Samra [and others]
      ContributionsSamra, A. S.
      Classifications
      LC ClassificationsSB608.M2 U54
      The Physical Object
      Pagination204 p.
      Number of Pages204
      ID Numbers
      Open LibraryOL270460M
      LC Control Numberne 68004915

      Symptoms and Signs. Two phases of Stewart's wilt occur on corn. The seedling wilt phase occurs when young plants are infected systemically (Figure 2).The leaf blight phase occurs when plants are infected after the seedling stage (Figure 3).Infection occurs in plant tissues that are wounded during feeding by an insect (Figure 4), the corn flea beetle (Chaetocnema pulicaria) (Figure 5). Robert F. Nyvall, Professor of Plant Pathology, University of Minnesota, specializes in diseases of cultivated wild rice and in the development of mycoherbicides to control also has done research on vegetables diseases at Washington State University and specialized in diseases of maize and soybean for 15 years as Extension Plant Pathologist at Iowa State by:

      Byrnes KL, Carrol RB () Fungi causing stalk rot of conventional-tillage and no-tillage corn in Delaware. Plant Disease (Abstract). [ Links ] Callaway MB, Smith ME, Coffman WR () Effect of anthracnose stalk rot on grain yield and related traits of maize . Evaluation of recurrent selection for stalk-rot resistance in maize and the associated changes in other agronomic characters Sujin Jinahyon Iowa State University Follow this and additional works at: Part of theAgricultural Science Commons,Agriculture Commons, and theAgronomy and Crop Sciences Commons.

      Stenocarpella maydis is one of the most prevalent ear and stalk rot pathogens of maize globally, causing reductions of grain quality and yield. Various molecular methods, including polymerase chain reaction (PCR)-based techniques and nucleotide microarrays, have been developed for the identification of S. maydis infestation in maize grain. In addition to diplodiatoxin, new metabolites, namely Cited by:   Descriptions of stalk rot diseases common to Nebraska corn, including anthracnose, fusarium, gibberella, diplodia, charcoal, and bacterial. Also includes risk factors favoring stalk rots and scouting recommendations.


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Investigations on stalk-rot diseases of maize in U.A.R by United Arab Republic. Maize and Sugar Cane Diseases Control. Download PDF EPUB FB2

G Common Stalk Rot Diseases of Corn. This is the first time to name and to map a single resistant gene of maize stalk rot through a single pathogen inoculation and molecular marker Author: James Stack. He has 34 years of experience in teaching, research, and transfer of technology. He has conducted research investigations on bacterial blight of rice, bacterial stalk rot of maize, bacterial blight of cowpea, bacterial leaf spot of green gram, bacterial Author: BS Thind.

Gibberella stalk rot is distributed worldwide and is one of the most common stalk rots in the Corn Belt. The causal agent is Gib- berella zeaewhose asexual stage is. Fusarium graminearum, a common seedling pathogen of corn and the causal agent of Fusarium head blight or scab of wheat, barley, oat.

Fusarium spp. in maize occur worldwide and can cause various diseases in different growth stages of maize, such as root and seedling rot as well as stalk and ear rot [].

Fusarium ear rot (FER) and Fusarium stalk rot (FSR) are characterized by a white or reddish discoloration with rotting symptoms on the ears and inside the stalk [2,3].Several toxigenic Fusarium species are known to cause yield Author: Annette Pfordt, Lucia Ramos Romero, Simon Schiwek, Petr Karlovsky, Andreas von Tiedemann.

Late wilt is often associated with contamination by secondary plant pathogenic fungi, enhancing the stem symptoms. Indeed, fungi such as Fusarium verticillioides causing stalk rot, Macrophomina phaseolina causing charcoal rot, and M.

maydis are grouped in a post-flowering stalk rot complex, which was identified as being one of the most widespread and destructive groups of diseases in maize [].Author: Ofir Degani, Shlomit Dor, Dekel Abraham, Roni Cohen.

Common terms and phrases. acremonium Anamorph Aspergillus Black bundle disease Botryodiplodia Carbonum caused Charcoal stalk rot chlorosis chlorotic spots chlorotic stripes coalesce Colletotrichum graminicola color cottony dark brown Diseased plants downy mildew downy mildew Peronosclerospora dwarf mosaic virus ear rot 67 elongated False head smut flowering foliar fungus Fusarium moniliforme ear Gibberella zeae Glomerella graminicola graminicola humid areas husks infect maize Infected.

Diseases caused by Fusarium spp. are probably the most important factors affecting the yield and grain quality of maize (Zea mays L.) in Poland. While Fusarium stalk rot problems were reported to be stable in all regions, ear rot tends to increase. This tendency probably results from warmer climate and conservation tillage techniques combined with maize- and wheat-dominated rotation systems.

The impact of Maize streak virus disease on quality and yield of maize forage outputs of the maize-dairy production systems in central highlands of Kenya B.A Lukuyu1.A.J Murdoch 2, A. McLeod3 and Doward P 1 Kenya Agricultural research Institute, Muguga, P.O Box Nairobi 2 University of Reading, Earley Gate, Reading PO BoxRG6 6AR, UK 3 PAN Livestock Services Earley Gate, Reading PO Author: B.A.

Lukuyu, A.J. Murdoch, A. McLeod, P. Doward. The more common of the fungal and bacterial pathogens that can cause stalk rot diseases are summarized below. Figure 2. Discoloration in the corn stalk or crown (pictured) after splitting the stalks of prematurely senesced plants can sometimes reveal rotted and weakened tissue inside that are evidence of stalk or crown rot diseases.

Plant Disease is the leading international journal for rapid reporting of research on new, emerging, and established plant diseases. The journal publishes papers that describe translational and applied research focusing on practical aspects of disease diagnosis, development, and management in agricultural and horticultural crops.

Fusarium diseases, including corn root rot, sheath rot, stalk rot, and ear rot are frequently occurring in maize producing areas of um stalk rot and ear rot are the most serious diseases and often occur at the same time, but it is unclear whether there is a correlation between Fusarium composition and disease occurrence.

This study was conducted to clarify the relationship between Author: Lina Li, Qing Qu, Zhiyan Cao, Zhengyu Guo, Hui Jia, Ning Liu, Yanhui Wang, Jingao Dong. Stalk rot is a common and severe symptom on maize causing reduced growth, rotted leaf sheaths and internal stalk tissue and brown streaks in the lower internodes.

In mature plants, it causes pink to salmon discoloration of the internal stalk pith tissues (Shaner and Scott, ).Cited by: Among these diseases of maize Fusarium stalk rot of maize is caused by Fusarium verticillioides (Saccardo) Nirenberg (= Fusarium moniliforme (Sheldon), was first reported from United States of.

pycnidia associated with Diplodia stalk rot are embedded in the stalk tissue and cannot be easily removed by scraping the tissue. The pycnidia can give the stalk a sandpaper-like texture. Fusarium Stalk Rot Fusarium stalk rot, primarily caused by the fungus Fusarium verticilliodes, is a common disease in the Midwest.

He has conducted research investigations on bacterial blight of rice, bacterial stalk rot of maize, bacterial blight of cowpea, bacterial leaf spot of green gram, bacterial leaf spot of chillies and bacterial soft rot of potatoes.

He also acted as Principal Investigator of two ICAR-funded research schemes entitled, “Detection and control of Author: BS Thind. The stalk rots completely and the top collapses. Bacterial stalk rot can affect the plant at any node from the soil surface up to the ear leaves and tassels. Infections that occur high on the plant may impair normal tasseling and affect subsequent pollination.

Keywords: stalk rot in maize, biocontrol, Trichoderma, Fusarium, granules 1. Introduction Maize is one of the major crops in China, however, maize growth suffers from a variety of pathogenic infections.

In recent years, maize stalk rot has occurred nationwide and has become a major challenge for maize production in China (Duan et al. ).Author: Zhi-xiang Lu, Guang-ping Tu, Ting Zhang, Ya-qian Li, Xin-hua Wang, Quan-guo Zhang, Wei Song, Jie Che.

The relationship between phenolic compounds and maize pith resistance to Fusarium graminearum, the causal agent of Gibberella stalk rot, was investigated. The phenolic acid profiles in the stalks of six maize inbred lines of varying susceptibility were evaluated from silking to grain maturity.

Four different fractions of phenolic compounds were extracted from inoculated and non-inoculated Cited by:   Abstract. Late wilt, a severe vascular disease of maize caused by the fungus Harpophora maydis, is characterized by relatively rapid wilting of maize plants before tasseling and until shortly before Israel, the disease has become a major problem in recent years.

The pathogen is currently controlled using cultivars of maize having reduced by: 7. Isoenzyme and amplified fragment length polymorphisms (AFLP) variation within a set of 48 isolates ofCephalosporium maydis was characterized. These isolates included ten cultures that have served as standards in the Egyptian maize resistance breeding program and 38 additional strains collected from 11 governates in Egypt during the growing by:.

Anthracnose is the most common stalk rot disease faced by corn growers worldwide, with yield losses reaching as high as 40% as a result of reduced ear size and stalk lodging. Infection is favored by warm temperatures ( F) and high humidity.

Anthracnose has both a leaf and a stalk phase in corn.In this investigation the role of certain oxidative enzymes, catalase, and j3-g1ucosid­ase in the virulence of Oephalosporium maydis Samra, Sabet, and Hingorani, the incidence of late wilt disease of maize in Egypt, was : A.

Abd-Elrazik, F.A. Darweish, M.H. Rushdi.Isolation and Identification of the Causal Agent of Brown Stalk Rot, A New Disease of Maize in South Africa [] Goszczynska, T. Botha, W.J. Venter, S.N. Coutinho, by: