Morphological characterization of Armillaria ostoyae and Armillaria sinapina sp.nov.

1988 ◽  
Vol 66 (10) ◽  
pp. 2027-2034 ◽  
Author(s):  
J. A. Bérubé ◽  
M. Dessureault
Keyword(s):  
Root Rot ◽  
Morphological Characteristics ◽  
Morphological Characterization ◽  
Biological Species ◽  
Broad Sense ◽  
Fruiting Bodies ◽  
Armillaria Mellea ◽  
Armillaria Ostoyae ◽  
Mating Tests

In Quebec, the root rot fungus Armillaria mellea (Vahl: Fr.) Kummer in the broad sense was found to be composed of three intersterile groups or biological species by using mating tests with standard voucher strains. Monosporous cultures of our specimens were compatible with strains of groups I, V, and VI. Groups I and V corresponding to A. ostoyae (Romagn.) Herink and A. sinapina sp.nov., respectively, are described and their occurrence and ecology documented. Morphological characteristics of fruiting bodies and of vegetative isolates can be used to differentiate A. ostoyae, A. sinapina, and A. mellea s.str. Armillaria ostoyae and A. sinapina are mild pathogens or saprotrophs on declining trees or stumps, whereas A. mellea s.str. appears to be an aggressive pathogen.

scholarly journals Overview of Agaricus Subrufescens Strains used in the Last 15 Years in Brazil and other Countries and Current Potential Materials for the Future

2021 ◽  
Author(s):  
Diego Cunha Zied ◽  
Wagner G. Vieira Junior ◽  
Douglas M. M. Soares ◽  
Cassius V. Stevani ◽  
Eustáquio S. Dias ◽  
...  
Keyword(s):  
Internal Transcribed Spacer ◽  
High Weight ◽  
Morphological Characteristics ◽  
Morphological Characterization ◽  
Agaricus Blazei ◽  
Internal Transcribed Spacer Region ◽  
Commercial Use ◽  
Agaricus Subrufescens ◽  
Current Potential

Abstract The mushroom Agaricus subrufescens has been synonymous with Agaricus blazei and Agaricus brasiliensis during the last decades and there has been much discussion with regards to the origin, distribution, and nomenclature of this mushroom. Therefore, we conducted a genetic and morphological characterization of the mycelium and mushroom of four commercial strains currently cultivated in Brazil (ABL CS7, ABL 18/01, ABL 98/11, and ABL 16/01) together with an assessment of their agronomic behavior and compared these results with those of other strains used during the last 15 years. All the A. subrufescens strains characterized here are phylogenetically related to the Americas/Europe specimens, bearing an internal transcribed spacer region of type A (ABL 16/01) or both types A and B (ABL 18/01, ABL 98/11, and ABL CS7). We did not find any correlation between the morphological characteristics of the mycelial colonies and the agronomic behavior of the strains. Strains ABL 98/11 and ABL 16/01 produced the best yields and morphological characteristics for the mushrooms, indicating their high weight, which enhances the commercialization of the mushroom and justifies their longstanding commercial use over the last 15 years.

scholarly journals Genetic and Morphological Characterization of Mangifera indica L. Growing in Egypt

HortScience ◽  
2018 ◽  
Vol 53 (9) ◽  
pp. 1266-1270 ◽  
Author(s):  
Nader R. Abdelsalam ◽  
Hayssam M. Ali ◽  
Mohamed Z.M. Salem ◽  
Elsayed G. Ibrahem ◽  
Mohamed S. Elshikh
Keyword(s):  
Genetic Diversity ◽  
Mangifera Indica ◽  
Morphological Characteristics ◽  
Morphological Characterization ◽  
Molecular Techniques ◽  
Germplasm Management ◽  
Fruit Crops ◽  
The Family ◽  
High Diversity

Mango (Mangifera indica L.) is a fruit crops belong to the family Anacardiaceae and is the oldest cultivated tree worldwide. Cultivars maintained in Egypt have not been investigated previously. Mango was first brought to Egypt from South Asia. Morphological and molecular techniques were used to identify the genetic diversity within 28 mango cultivars. SSR and EST-SSR were used for optimizing germplasm management of mango cultivars. Significant variations were observed in morphological characteristics and genetic polymorphism, as they ranged from 0.71% to 100%. High diversity was confirmed as a pattern of morphological and genotypes data. Data from the present study may be used to calculate the mango relationship and diversity currently grown in Egypt.

Notes on some lesser known crickets of the tribe Podoscirtini (Podoscirtinae: Gryllidae: Orthoptera) from India 

Zootaxa ◽  
2020 ◽  
Vol 4821 (1) ◽  
pp. 49-70
Author(s):  
ASHOK KUMAR MEENA ◽  
RAJAMANI SWAMINATHAN ◽  
RAJENDRA NAGAR
Keyword(s):  
New Species ◽  
Morphological Characteristics ◽  
Morphological Characterization ◽  
Tropical Region ◽  
Two New Species

The present paper deals with a description of two new species of crickets of the subfamily Podoscirtinae (Orthoptera: Gryllidae), Trelleora khasiana sp. nov. and Indotrella maculata sp. nov., from India; besides, some additional morphological characteristics of the already reported species, Indotrella angusta Gorochov, 2003 is also presented. The morphological characterization of these two new species is supported with suitable line diagrams and plates. A checklist of crickets of Podoscirtinae for the Asia-tropical region is included.

scholarly journals Cultural and morphological characterization of rhizospheric isolates of fungal antagonist Trichoderma

2014 ◽  
Vol 6 (2) ◽  
pp. 451-456 ◽  
Author(s):  
K. K. Sharma ◽  
U. S. Singh
Keyword(s):  
Plant Pathogens ◽  
Linear Growth ◽  
Morphological Characteristics ◽  
Morphological Characterization ◽  
Biological Control Agents ◽  
Great Economic Importance ◽  
Ability To Act ◽  
Fungal Plant Pathogens ◽  
Trichoderma Sp

The genus Trichoderma contains species that are of a great economic importance due to their ability to act as biological control agents against a large variety of fungal plant pathogens. In the present investigation thirty isolates of the Trichoderma sp. were obtained from the rhizosphere soils of different plants at different locations at Nainital, Almora, Udham Singh Nagar, Derhadun, Haridwar and Tehri Garhwal districts of Uttarakhand (India). The isolates were characterized on the basis of their cultural and morphological characteristics. The cultural characteristics included linear growth, colony colour, pigmentation and growth pattern. Morphological characteristics studied were structure, shape and arrangement of conidiophores, phialides and conidia. Out of thirty isolates, 6 isolates namely PB10, PB13, PB23, PB26, PB27 and PB28 were identified as T. virens and remaining 24 isolates as T. harzianum.

scholarly journals Morphological characterization of Eucalyptus dunni and E. urograndis face to the hydrogel application

2020 ◽  
Vol 3 (6) ◽  
pp. 48-54
Author(s):  
Lino Manuel Vicente Sangumbe ◽  
◽  
Rosalina Jamba Calucongolo ◽  
David Mande Mário ◽  
Marcelo José Garcia Villagra
Keyword(s):  
Morphological Characteristics ◽  
Morphological Characterization ◽  
Morphological Parameters ◽  
Place Field

This work aimed to morphologically characterize Eucalyptus dunni and E. urograndis to the application of hydrogel. By determining the morphological parameters of the seedlings and then of the plantations in the field, after the application of the hydrogel, the characterization was carried out. The first stages, was the production of seedlings - where their morphological characteristics were determined. The second was the evaluation of growth in the field - where the morphological characteristics of the plants were determined when applying the hydrogel. The results showed that the morphological characteristics of the seedlings were adequate for the final place (field). In the field, the best result were achieved in T1, thus demonstrating the efficiency of the hydrogel.

scholarly journals Molecular identification and characterization of binucleate Rhizoctonia spp. associated with black root rot of strawberry in Serbia

2018 ◽  
Vol 33 (2) ◽  
pp. 97-107 ◽  
Author(s):  
Mira Vojvodic ◽  
Brankica Tanovic ◽  
Milica Mihajlovic ◽  
Petar Mitrovic ◽  
Ivana Vico ◽  
...  
Keyword(s):  
Root Rot ◽  
Disease Incidence ◽  
Morphological Characteristics ◽  
Limiting Factors ◽  
Black Root Rot ◽  
Binucleate Rhizoctonia ◽  
Cultivar Selection ◽  
The Usa ◽  
Agricultural Business

Strawberry production is a popular, fast-growing agricultural business in Serbia. Its cultivar selection has been changing fast, following market demands. One of the limiting factors of strawberry production worldwide is black root rot, primarily caused by binucleate Rhizoctonia. Recently, outbreaks of black root rot of strawberry have occurred in Serbia and the estimated disease incidence was up to 30%. Isolates of binucleate Rhizoctonia AG-A were recovered from symptomatic strawberry plants, and characterized on the bases of morphological, molecular and pathogenic features. Despite their uniform morphological characteristics, the isolates demonstrated genetic variability within ITS rDNA, grouping into three different phylogenetic sub-clusters which comprise AG-A isolates originating from Italy, Israel, Japan and the USA. The binucleate Rhizoctonia AG-A from Serbia exhibited uniform virulence on strawberry after inoculation of daughter plants and detached leaf petioles, as well as on seedlings of bean, carrot and sunflower, while they were non-pathogenic to wheat, maize, tomato, pepper, tobacco, cucumber, lettuce, peas, cabbage, rapeseed and sugar beet.

scholarly journals Karakterisasi Morfologi dan Skrining Fitokimia Ekstrak Umbi dan Daun Tumbuhan Ginseng (Phytolacca octandra L.)

2021 ◽  
Vol 4 (1) ◽  
pp. 55-64
Author(s):  
Intan Sari ◽  
Henri Henri ◽  
Eka Sari ◽  
Suharyanto Suharyanto
Keyword(s):  
Leaf Shape ◽  
Morphological Characteristics ◽  
Morphological Characters ◽  
Morphological Characterization ◽  
Wild Plant ◽  
Phytochemical Content ◽  
Potential Development ◽  
Red Color ◽  
Phytochemical Compounds

Ginseng plant (Phytolacca octandra L.) is a wild plant that has the potential to be used as medicine. The morphological characteristics of ginseng plants in Indonesia are different. Therefore, it is necessary to carry out research aimed at characterizing the morphology and phytochemical screening of ginseng (P. octandra L.) leaves and tubers. The research was conducted first by observing morphological characters and screening phytochemical compounds such as alkaloid test, flavonoid test, phenol test, tannin test, saponin test, terpenoid test, and steroid test. The results of the research on the morphological characterization of ginseng (P. octandra L.) were: having a taproot which was modified into a tuber, a round, smooth, red color, pointed leaf shape, the base and tip of the leaf were pointed, buni fruit type, round flat, colored blackish-purple when ripe, a compound flower is located at the end of the branch and has flat, round seeds. Ginseng tubers have triterpenoid and saponin compounds, while the leaves only have saponin compounds. The potential development of ginseng (P. octandra L.) is currently limited as traditional medicine by local people. This is due to limited knowledge in its development efforts and unknown phytochemical content.

scholarly journals Morphological characterization of active germoplasm bank fig tree accessions

2019 ◽  
Vol 41 (5) ◽  
Author(s):  
Maria Gabriela Fontanetti Rodrigues ◽  
Tatiane Paes dos Santos ◽  
Antonio Flávio Arruda Ferreira ◽  
Laís Naiara Honorato Monteiro ◽  
Eduarda Sayuri Nakanishi ◽  
...  
Keyword(s):  
Crop Production ◽  
Phenotypic Variability ◽  
Morphological Characteristics ◽  
Morphological Characterization ◽  
Qualitative And Quantitative ◽  
Fig Tree ◽  
Fig Trees ◽  
Selection Of ◽  
Qualitative And Quantitative Characteristics

Abstract Fig tree (Ficus carica L.) is a fruit of great importance worldwide, being able to be implanted as new source of agricultural variability. The aim of the present work was to characterize the active germplasm bank of fig trees by means of morphological descriptors of 45 fig accessions at the Faculty of Agrarian and Technological Sciences, Campus of Dracena, FCAT / UNESP aiming at the recognition of the quality and genetic variability potential of the species. Thus, their biometric characteristics were evaluated by qualitative and quantitative descriptors of leaves and fruits. Fig tree accessions were characterized by means of the morphological characteristics of leaves and fruits, identifying AGB with high phenotypic variability and well adapted to the region and, by the analysis of the qualitative and quantitative characteristics, it was concluded that the most divergent accessions presented characteristics of agronomic interest, allowing the selection of features in order to subsidize conservation works, genetic improvement and crop production.

scholarly journals Morphological characterization of the tooth/adhesive interface

2006 ◽  
Vol 17 (3) ◽  
pp. 179-185 ◽  
Author(s):  
Sandra Kiss Moura ◽  
José Fortunato Ferreira Santos ◽  
Rafael Yagüe Ballester
Keyword(s):  
Composite Resin ◽  
Morphological Characteristics ◽  
Adhesive System ◽  
Morphological Characterization ◽  
Single Bond ◽  
Third Molars ◽  
Adhesive Systems ◽  
Adhesive Interface ◽  
Etch And Rinse

The purpose of this study was to assess the morphological characteristics of the tooth/adhesive interface using different adhesive systems in MOD restorations under scanning electron microscopy (SEM). The tested hypothesis was that the morphology of the bonding interface would vary in different areas of MOD restorations for the three adhesive systems. MOD cavities were prepared in 12 sound extracted human third molars and restored with Filtek Z250 composite resin and one of the following adhesive systems: Experimental ABF (n=4), Clearfil SE Bond (n=4) self-etching primers and Single Bond etch-and-rinse adhesive system (n=4). After 24-h storage in distilled water at 37ºC, teeth were sectioned and prepared for SEM. The interfacial morphology varied depending on the adhesive system and also on the evaluated area. The null hypothesis was accepted because the morphology of the tooth/adhesive interface reflected the characteristics of both the dental substrate and the adhesive systems.

Sign in / Sign up

Export Citation Format

Share Document