Morphological Description of Some Forage Legumes of Pakistan

2020 ◽  
Vol 6 (1) ◽  
Keyword(s):  
Morphological Description ◽  
Forage Legumes

A scanning electron microscopic study of the veliger larvae of the scallop argopecten purpuratus

1988 ◽  
Vol 46 ◽  
pp. 284-285
Author(s):  
G.C. Bellolio ◽  
K.S. Lohrmann ◽  
E.M. Dupré
Keyword(s):  
Morphological Description ◽  
Electron Microscopic ◽  
Larval Stages ◽  
Scanning Electron Microscopic Study ◽  
The Pacific ◽  
Argopecten Purpuratus ◽  
Veliger Larvae ◽  
20 Nm ◽  
Ethanol Series ◽  
Scanning Electron

Argopecten purpuratus is a scallop distributed in the Pacific coast of Chile and Peru. Although this species is mass cultured in both countries there is no morphological description available of the development of this bivalve except for few characterizations of some larval stages described for culture purposes. In this work veliger larvae (app. 140 pm length) were examined by the scanning electron microscope (SEM) in order to study some aspects of the organogenesis of this species.Veliger larvae were obtained from hatchery cultures, relaxed with a solution of MgCl2 and killed by slow addition of 21 glutaraldehyde (GA) in seawater (SW). They were fixed in 2% GA in calcium free artificial SW (pH 8.3), rinsed 3 times in calcium free SW, and dehydrated in a graded ethanol series. The larvae were critical point dried and mounted on double scotch tape (DST). To permit internal view, some valves were removed by slightly pressing and lifting the tip of a cactus spine wrapped with DST, The samples were coated with 20 nm gold and examined with a JEOL JSM T-300 operated at 15 KV.

Ultrastructure of periplasmic bodies in gram-negative bacteria

1990 ◽  
Vol 48 (3) ◽  
pp. 640-641
Author(s):  
Xie Nianming ◽  
Ding Shaoqing ◽  
Wang Luping ◽  
Yuan Zenglin ◽  
Zhan Guolai ◽  
...  
Keyword(s):  
Electron Microscope ◽  
Campylobacter Jejuni ◽  
Proteus Mirabilis ◽  
Shigella Flexneri ◽  
Morphological Description ◽  
Gram Negative Bacteria ◽  
Periplasmic Space ◽  
Clostridium Tetani ◽  
Gram Negative ◽  
Brucella Canis

Perhaps the data about periplasmic enzymes are obtained through biochemical methods but lack of morphological description. We have proved the existence of periplasmic bodies by electron microscope and described their ultrastructures. We hope this report may draw the attention of biochemists and mrophologists to collaborate on researches in periplasmic enzymes or periplasmic bodies with each other.One or more independent bodies may be seen in the periplasmic space between outer and inner membranes of Gram-negative bacteria, which we called periplasmic bodies. The periplasmic bodies have been found in seven species of bacteria at least, including the Pseudomonas aeroginosa. Shigella flexneri, Echerichia coli. Yersinia pestis, Campylobacter jejuni, Proteus mirabilis, Clostridium tetani. Vibrio cholerae and Brucella canis.

Farmers’ preference for improved grasses and legume forage species in six mixed farming system districts of southern region of Ethiopia

2017 ◽  
Vol 4 (2) ◽  
pp. 23-27
Author(s):  
Mergia Abera ◽  
Tekleyohannes Berhanu
Keyword(s):  
Vigna Unguiculata ◽  
Vegetative Growth ◽  
Farming System ◽  
Elephant Grass ◽  
Lablab Purpureus ◽  
Forage Legumes ◽  
Forage Crops ◽  
Forage Species ◽  
Herbage Yield ◽  
Chloris Gayana

Participatory on-farm evaluation of improved forage crops was conducted in six mixed farming system districts of Southern Ethiopia with the objective to identify farmers preferred forage crops (legumes and grasses). Two annual forage legumes (Vigna unguiculata L. (cow pea) and Lablab purpureus (L.), two perennial legumes (Medicago sativa (L.) (alfalfa) and Desmodium intortum (Mill.) Urb. (green-leaf)), and three perennial grasses (Chloris gayana Knuth (Rhodes grass) and two Pennisetum purpureum Schumach (elephant grass) accessions (No.16800 and 16798)) were evaluated in the study. The major farmers’ criteria considered in the evaluation of forage species were vegetative growth, herbage yield, tillering, protection of soil erosion, palatability, perfor- mance under dry weather conditions, performance in marginal area under low input management, multipurpose use (conservation and soil fertility) and fast growing condition. The study showed that elephant grass accession No. 16798, 16800 and Chloris gayana adapted well and farmers preferred them for their higher herbage yield, vegetative growth, tillering ability and drought resistance. Even though the annual forage legumes Lablab purpureus and Vigna unguiculata were superior in their forage yield, the farmers preferred the perennial forage legumes (Desmodium intortum and Medicago sativa) mainly for their performance under dry weather condi- tion due to their longer growth period. Therefore, the consideration of farmers’ preference for forage crops is crucial for increased adoption of improved forage crops in the region.

Digenean parasites in prosobranch snail Lithoglyphus naticoides population with the morphological description of Echinochasmus sp. cercaria

Ekologija ◽  
2008 ◽  
Vol 54 (4) ◽  
pp. 251-255 ◽  
Author(s):  
Gražina Stanevičiūtė ◽  
Romualda Petkevičiūtė ◽  
Valerija Kiselienė
Keyword(s):  
Morphological Description ◽  
Prosobranch Snail ◽  
Lithoglyphus Naticoides

Russian and English terminological glossary on morphology of diatoms

2018 ◽  
Vol 52 (2) ◽  
pp. 265-309 ◽  
Author(s):  
R. M. Gogorev ◽  
D. A. Chudaev ◽  
V. A. Stepanova ◽  
M. S. Kulikovskiy
Keyword(s):  
Morphological Description ◽  
Key Terms

The present work is an attempt to summarize, systematize, supplement and clarify the terms used in morphological description of diatoms and their taxonomy (systematics). Two glossaries (Russian and English) include definitions of near 300 key terms (excluding their synonyms) and their Latin translations.

The first record of Jaapia ochroleuca (Basidiomycota) in the European part of Russia

2013 ◽  
Vol 47 ◽  
pp. 68-73
Author(s):  
S. V. Volobuev
Keyword(s):  
Nature Reserve ◽  
First Record ◽  
European Part ◽  
European Russia ◽  
Taxonomic Position ◽  
Morphological Description ◽  
Microscopic Structure ◽  
European Part Of Russia ◽  
Distribution And Ecology ◽  
First Time

The corticioid basidiomycete Jaapia ochroleuca (Bres.) Nannf. et J. Erikss. is recorded for the first time in the European Russia from the «Bryansky Les» Nature Reserve (Bryansk Region). The taxonomic position of the species is defined briefly. Its morphological description and data on distribution and ecology are provided. The details of microscopic structure of the collected specimen are illustrated.

Temperature Requirements for Seed Germination of Several Forage Legumes 1

1972 ◽  
Vol 64 (6) ◽  
pp. 809-812 ◽  
Author(s):  
C. E. Townsend ◽  
W. J. McGinnies
Keyword(s):  
Seed Germination ◽  
Forage Legumes ◽  
Temperature Requirements

Factors Affecting Foams with Forage Legumes 1

Crop Science ◽  
1966 ◽  
Vol 6 (5) ◽  
pp. 487-489 ◽  
Author(s):  
W. A. Kendall
Keyword(s):  
Forage Legumes ◽  
Factors Affecting

Root‐Knot Nematode Interaction with Berseem Clover and Other Temperate Forage Legumes 1

Crop Science ◽  
1985 ◽  
Vol 25 (5) ◽  
pp. 848-851 ◽  
Author(s):  
D. D. Baltensperger ◽  
K. H. Quesenberry ◽  
R. A. Dunn ◽  
M. M. Abd‐Elgawad
Keyword(s):  
Forage Legumes ◽  
Root Knot Nematode ◽  
Berseem Clover
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