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Tuesday, April 21, 2020 | History

2 edition of Comparative studies of Selenophoma leaf spot diseases on certain grasses. found in the catalog.

Comparative studies of Selenophoma leaf spot diseases on certain grasses.

Jai Young Park

Comparative studies of Selenophoma leaf spot diseases on certain grasses.

  • 48 Want to read
  • 23 Currently reading

Published .
Written in English

    Subjects:
  • Leaf spots.,
  • Grasses -- Diseases and pests.

  • The Physical Object
    Paginationix, 111 l.
    Number of Pages111
    ID Numbers
    Open LibraryOL16754672M

      We present a revised classification for extant ferns, with emphasis on ordinal and familial ranks, and a synopsis of included genera. Our classification reflects recently published phylogenetic hypotheses based on both morphological and molecular data. Within our new classification, we recognize four monophyletic classes, 11 monophyletic orders, and 37 Cited by: Under cadmium (Cd) stress, Solanum nigrum accumulated threefold more Cd in its leaves and was tolerant to Cd, whereas its low Cd‐accumulating relative, Solanum torvum, suffered reduced growth and marked oxidative r, the physiological mechanisms that are responsible for differential Cd accumulation and tolerance between the two Solanum species Cited by: Studies on Tissue Residual Level of NeemAzal T/S in Stressed African Catfish” Clarias gariepinus” with Reference to the Protective Role of Lupine 1,2Ashraf A. El-Badawi 1Biology Department, University College, Umm-Al Qura University, Makkah, Saudia Arabia 2Central Labortary For Aquaculture Res., Abbassa, Abo-Hammad, Sharkia, Egypt. Invasiveness, invasibility and the role of environmental stress in the spread of non-native plants area of a certain character into one of a differ-ent character, and their colonization in the lat- tats. For instance, native grasses are said to be invading native heathland in parts of.


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Comparative studies of Selenophoma leaf spot diseases on certain grasses. by Jai Young Park Download PDF EPUB FB2

SELENOPHOMA LEAF SPOT OR SPECKLE OF FORAGE GRASSES Selenophoma leaf spot, speckle, blotch, or eye spot is caused by the fungi Selenophoma bromigena and S.

donacis. The disease is common and is destructive in Illinois on smooth bromegrass and other Bromus species. Many grasses are susceptible, including timothy, fescues, orchardgrass File Size: 84KB.

IPM: Reports on Plant Diseases: Selenophoma Leaf Spot or Speckle of Forage Grasses Selenophoma Leaf Spot or Speckle of Forage Grasses: June [ Symptoms] [ Disease Cycle] [ Control] Selenophoma leaf spot, speckle, blotch, or eye spot is caused by the fungi Selenophoma bromigena and S.

donacis. The disease is common and is destructive. The effect of fungicides on leaf diseases and on yield in spring barley in south-west England. Plant Pathol LATCh, G.

& WENHA~, H.T. (I). Fungal leaf-spot diseases of cocksfoot in the Manawatu. III. Eyespot caused by Selenophoma donacis var. stomaticola and scald caused by Rhynchosporium by: 3. The Lincoln form of Septoria apii is shown to be pathogenic towards celery (Apium graveolens L.).

The biologic and morphologic characters of the organism are described. Significant differences are found to exist between the mean diameters of pycnidia from different spots on the upper surface of leaves, and between pycnidia from the upper and.

Species of Selenophoma on North American grassesCited by: 5. Halo spot symptoms were most intense on all varieties at growth stage because of the high susceptibility of the flag leaf. donacis caused significant reductions in six varieties for two yield parameters, Zephyr showing the largest mean reductions in iooo grain weight and mean yield per head of 134 and 141% by: 6.

Anon. Diseases of cereal and forage crops in the United States in Plant Dis. Bull. Suppl.8, 81 pp. Google ScholarCited by: Grey Leaf Spot (GLS) is a fungal disease of Zea mays (maize) that is caused by Cercospora zeina.

It thrives in sub-tropical climates and causes devastating crop losses of up to 60% in southern Africa where maize is grown as a staple food source.

Setaria viridis (green foxtail) has been identified as a promising experimental model for the genetic and molecular characterisation of the C 4 monocot grasses. Setaria. Comparative biology of different plant pathogens to estimate effects of climate change on crop diseases in Europe Article (PDF Available) in European Journal.

Buy Studies in Oenothera Cytogenetics and Phylogeny (Indiana University Publications, Science Series No. 16) on FREE SHIPPING on qualified orders. Disease resistance in cool-season forage, range, and turf grasses Aamodt, O. S., C. Lefebvre, and H.

Johnson. The problem of controlling certain diseases of forage grasses by selection and hybridization. (Abstr.) Phytopathology 1. Comparative studies of certain cultures ofPuccinia rubigo-vera andPuccinia tomipara on wild Cited by: The fungus Phoma sp.

(sect. Peyronellaea) was consistently isolated from infected Paspalum atratum cv. Pojuca (Pojuca grass) plants with leaf spot symptoms in the Federal District, Brazil, in The conidia were hyaline, usually elliptical, unicellular, gutullate, × µm.

Pycnidia were mostly solitary, µm diameter, globose, usually with a short by: 1. suitable for further soil studies. Certain plants are known to accumulate selenium from soils and to concentrate it in their tissues.

Plants that accumu­ late selenium may be divided into two categories: obligate and facultative accumulators (Kingsbury, ). A third category, nonaccumulators, in­Cited by: 5. Leaf senescence and reactive oxygen species metabolism of broomcorn millet (Panicum miliaceum L.) under drought condition Hui-Ping Dai 1, Pan-Pan Zhang 2, Chao Lu 2, Gen-Liang Jia 3, Hui Song 2, Xue-Min Ren, Jia Chen 2, An-Zhi Wei 4*, Bai-Li Feng 2* and She-Qi Zhang 3 1College of Life Science, Northwest A&F University, Yangling, Shaanxi seedborne (8,11).

Cercospora sojina Hara (syn. daizu Miura), We present results from scanning electron microscopy and causal agent of frogeye leaf spot of soybean, is seedborne and histopathological studies on the penetration and distribution of reduces seed quality because of seed discoloration (7,10,14).

used in this study, has resistance to several potato virus diseases, but is very difficult to cross sexually with Solanum tuberosum, the cultivated potato (13,28). A potential alternative hybridization pathway is the direct fusion and culture of isolated somatic cells (14). Agronomically important traits of wild species could be.

also is known. E KEN et al. () reported leaf spot disease caused by this fungus on smooth brome. Occurrence of this species on various grasses is frequent and its mycotoxin, the sporidesmin, causes photosensitive skin-inflammation, mainly in sheep and occasionally in cattle.

We identified this fungus from the seeds of crested dog’s tail. Algae are important components of many aquatic communities that can be sensitive to effects of aquatic pollutants.

Standard algal toxicity tests quantify effects on population growth over 3 Cited by: Cytotoxoic effect of Laurus nobilis extract on different cancer cell lines. Zaynab Saad Abdel Gany ِ /نوتسلاو عبارلا ددعلا ةيساسلأا ةيبرتلا ةيلك ةلجم incubator at 37˚C containing 5% CO 2.

After finishing the exposure periods, the old media was replaced with µl/well of crystal violate dye and incubated the. Silicon and the Soil.

Silicon is the second most abundant element, after oxygen, in the Earth’s crust and in the soil solution (Epstein, ).It is mainly present in the soil solution in the form of silicic acid, H 4 SiO 4, since this is the only form of water-soluble concentrations typically range from to mM (Epstein, ).This concentration range is Cited by: The Linnean Society of NSW FOUNDED INCORPORATED 'NATURAL HISTORY IN ALL ITS BRANCHES.' Athwal, D.

& Watson, I. Inheritance studies with certain leaf rust resistant varieties of Triticum vulgare Vill. Comparative studies of biotypes of race 34 of Puccinia graminis tritici.

This preliminary study focused on a) surveying the concentrations of sodium and other metals along the rights-of-way of several of the most heavily traveled and salted roadways, b) development of a selection and screening method for salt tolerance in 6 species of native warm season grasses, and c) establishment of outdoor garden plots and field sites to further test the Cited by: 3.

The fragrant "herbage of my breast" suggests the poet's poems, which are called "Leaves."The poet's death will not destroy his thoughts; the Leaves will continue to grow from his grave — for the Leaves are "blossoms of my blood" and unfold the poet's heart.

Some few passers — by will notice the Leaves and "inhale [their] faint odor." The Leaves make the poet "think of death.". Bacterial diseases Scab Fungal diseases Aphanomyces root rot (black root rot) Cercospora leaf spot Downy mildew Fusarium wilt Phoma leaf spot and root rot Pythium root rot Rhizoctonia root rot White rust Viral diseases Spinach blight Non-infectious diseases Heart rot (boron deficiency).

Erosion of genetic variability is a major trade-off of crop domestication, targeted trait-based enhancement by plant breeding and large-scale monoculture. Novel genes that are important for survival and sustained productivity under a plethora of biotic and abiotic constraints were left behind in the exotic gene pool.

The cultivated potato is an example of such genetic bottleneck. SALO (LJM19) is the classical complement inhibitor from the saliva of Lu. longipalpis. We first reproduced previous findings and show that the equivalent of one pair (approximately ng of protein) of Lu.

longipalpis salivary gland homogenate (SGH) is sufficient to inhibit the hemolytic activity of the human classical pathway of complement (Fig. 1A).Cited by: Chapter infection vs. endophytic colonization by fungi James B.

Sinclair and Raymond F. Cerkauskas. 31 Chapter 2. Isolation and analysis of endophytic fungal communities from woody plants. Gerald F. Bills. 67 Chapter 3. Fungal endophytes of living branch bases in several European tree species. Tadeusz Kowalski and RolfD. Kehr. 87 Chapter 4. Environmental stress and genetics influence night-time leaf conductance in the C4 grass Distichlis spicata Mairgareth A.

ChristmanA,D,E, Jeremy J. JamesB, Rebecca E. DrenovskyC and James H. RichardsA ADepartment of Land, Air and Water Resources, University of California, Davis, CAUSA. BUSDA-Agricultural Research Service, Eastern Oregon Agricultural. their simplicity, pepper anther cultures show certain problems, such as low efficiency, uncontrolled tapetum secretion, and the possibility of somatic regenerants (Segui-Simarro et al., ).

Thus, the number of relevant research studies has increased in order to improve an efficient microspore culture protocol in pepper.

Kim et. Full text of "Plant Disease Reporter Supplements" See other formats. STRESS TOLERANCE AND HORTICULTURAL EVALUATION OF THE GENUS SALIX DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Yulia ina-Eischen, M.S.

***** The Ohio State University Dissertation Committee:File Size: 1MB. Abstract. Selenium is essential for animal health but is toxic at high concentrations. The objective of this study was to determine the pattern of Se accumulation and Se-salt (NaCl) cotolerance in forage and turfgrass species in order to explore the potential of using these grass species for land and water renovation, and for forage or seed production on land contaminated with Se and/or.

Learn more about Solanum Kwebense Poisoning from related diseases, pathways, genes and PTMs with the Novus Bioinformatics Tool. ~ ~ International Journal of Fisheries and Aquatic Studies concentration of plants extract mixture (S.

trilobatum and O. sanctum) has enhanced the Total WBC count to a higher level when compared to individual plant extract atum or m in M. keletius. (Fig.2).Cited by: 1. The taxonomy from the rank of class and below is based upon currently published taxonomic opinion. For a complete taxonomy, refer to The Taxonomic Outline of.

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Similarly antioxidant activity of leaf extract of C. procera to chelate metal ions has been proved [6]. While, antioxidant potential of C. procera fruit extract through DPPH was also evaluated in different studies [7]. Patel et al. () [8] studied the comparative antioxidantAuthor: Arshia Tabassum, Abid Ali, Romasha Babar, Tabassum Mahboob.

years on certain farms in northern Natal. This report describes pathological findings in some of the cases (rom these farms and the results of a dosing trial with M. nigellifolia. DESCRIPTION, DISTRIBUTION AND ECOLOGY OF THE PLANT Family: Asteraceae (Compositae) Name: Matricaria nigellifolia DC.

4 Black nightshades. Solanum nigrum L. and related species Deleterious properties Weeds of agriculture and horticulture Alternative hosts to destructive diseases of crops Toxicity Chemicals identified in the species 6 Genetic resources Genetic variation Sources of germplasm Gaps in collections and constraints in conservation.

(lowest specific leaf area) and maintained higher leaf DM at the end of the season. This cultivar also grew longer stolons on the below-ground stem nodes and had the latest tuber initiation and bulking.

The storage treatments applied in Experiment 2 resulted in seed potatoes with different. Nishijima, W. Mango diseases and their control. p. 20–24 in: Proceedings: Conference on Mango in awaii. March 9–11,University of Hawai‘i at Mānoa, College of Tropical Agriculture and Human Resources. Pernezny, K., and R.

Ploetz. Some common diseases of mango in Florida. Florida Cooperative.remnant. Also, SLA and leaf photosynthetic pigment and protein content were examined in T. fluminensis sampled at different distances into the forest remnant. Findings were compared with more detailed studies of sun/shade acclimation and nitrogen nutrition conducted under controlled conditions.

The specific objectives of the study were.