scholarly journals Morphological variations of mangosteen fruits from Luzon and Mindanao Islands, the Philippines

2020 ◽  
Vol 21 (7) ◽  
Author(s):  
Julie Berame ◽  
N. LAWSIN ◽  
F. MIGUEL ◽  
J. CHAVEZ
Keyword(s):  
Shape Index ◽  
Morphological Characters ◽  
Fruit Shape ◽  
The Philippines ◽  
Garcinia Mangostana ◽  
Morphological Variations ◽  
Similar Character ◽  
Shape Characters ◽  
Pericarp Thickness ◽  
Fruit Characters

Abstract. Berame J, Lawsin N, Miguel F, Chavez J. 2020. Morphological variations of mangosteen fruits from Luzon and Mindanao Islands, the Philippines. Biodiversitas 21: 3094-3100. Luzon and Mindanao islands in the Philippines are the important mangosteen producing provinces whose growing areas are scattered on these two islands. With this, mangosteen variability was detected based on field fruit collections in summer of 2019. The morphological variations of mangosteen fruits were observed and collected in Quezon Province in Luzon and Davao-Zamboanga Provinces in Mindanao based on the total number of 175 mangosteen trees. The main objectives of the research were to find out the morphological variations of mangosteen fruits and using Tomato Analyzer 4.0 to determine the morphological characters that can be used to differentiate mangosteen accessions in the Philippines. The variables include fruit shape index (external and internal), curve fruit shape index, asymmetry, internal eccentricity and weight of the ripe fruits. The results show that fruit characters like ellipsoidal, circular, rectangular, lobe shape, size, pericarp area, and pericarp thickness. are highly resemblance particularly in its fruit shape characters, and even sharing a similar taste of ripe fruits. Data revealed that Garcinia mangostana shared a similar character with Garcinia malaccensis even though they are from different geographical areas. Based on the morphological variations and characters, the two varieties of mangosteen fruits in the Philippines, G. mangostana and G. malaccensis, are so closely related that they could be combined together as one species as identified in the morphological analysis of this study.

fs3.1: a major fruit shape QTL conserved in Capsicum

Genome ◽  
2003 ◽  
Vol 46 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Arnon Ben Chaim ◽  
Yelena Borovsky ◽  
G U Rao ◽  
Bahattin Tanyolac ◽  
Ilan Paran
Keyword(s):  
Introgression Line ◽  
Longitudinal Axis ◽  
Shape Index ◽  
Fruit Shape ◽  
Backcross Population ◽  
Fruit Length ◽  
Advanced Backcross ◽  
Advanced Backcross Population ◽  
Backcross Inbred Lines ◽  
Pericarp Thickness

fs3.1 is a major fruit shape (defined as the ratio of fruit length to fruit width) quantitative trait locus (QTL) originally detected in an intraspecific cross of Capsicum annuum between the blocky and elongated-fruited inbreds 'Maor' and 'Perennial', respectively. In addition to increasing fruit shape index, the 'Perennial' allele at fs3.1 increased fruit elongation and decreased fruit width and pericarp thickness. We verified the effect of fs3.1 in backcross inbred lines (BILs) derived from crossing 'Perennial' with 'Maor' and with a second blocky-type inbred line of C. annuum. To determine the effect of the fs3.1 region in additional Capsicum species, we constructed an advanced backcross population from the cross of 'Maor' and the oval-fruited Capsicum frutescens BG 2816 and an F2 of the introgression line IL 152 that contains an introgression of the fs3.1 region from Capsicum chinense PI 152225. QTLs for fruit shape, fruit width, and pericarp thickness, but not for fruit length, were detected in both crosses, indicating the conservation of the fs3.1 region as a QTL affecting fruit shape in pepper. We also tested tomato (Lycopersicon spp.) introgression lines containing the corresponding fs3.1 region from L. pennellii and L. hirsutum, but we did not detect a significant fruit shape QTL in these lines. The effect of fs3.1 on the growth of fruit dimensions varied with the genetic background. By measuring the length and width of ovaries and fruits of near-isogenic C. annuum lines that differ in fs3.1 during fruit development, we determined that fs3.1 controls shape predominantly by increasing the growth rate of the longitudinal axis in the first 2 weeks after pollination. However, in the crosses of C. annuum with C. frutescens and C. chinense, fs3.1 predominantly exerted its effect on the width dimension.Key words: fruit shape, QTL, pepper, comparative mapping.

scholarly journals Spikemoss flora (Selaginella) in Mindanao Island, the Philippines: species composition and phenetic analysis of morphological variations

2018 ◽  
Vol 12 (1) ◽  
Keyword(s):  
Species Richness ◽  
New Species ◽  
Species Composition ◽  
Morphological Characteristics ◽  
Morphological Characters ◽  
The Philippines ◽  
Phenetic Analysis ◽  
Morphological Variations ◽  
Diverse Species ◽  
Phenetic Relationships

The genus Selaginella, commonly referred to as spikemosses, is an important component of the Philippines’ lycophytes diversity. Mountain ecosystems in Mindanao island hold diverse species of lycophytes, however the morpho-taxonomy diversity of this group is poorly documented there. The study aimed to determine Selaginella species richness, distribution and phenetic relationships based on morphological characteristics in Mindanao island. Specimens of Selaginella were collected in Mt. Apo, Kidapawan City; Mt. Hamiguitan, Davao Oriental; Mt. Kiamo, Mt. Kitanglad, Mt. Musuan and Mt. Limbawon in Bukidnon; Mt. Timpoong, Camiguin; and Mt. Malindang, Misamis Occidental. The 24 Selaginella species were collected and subjected to numerical phenetic analysis using the PC-ORD program. A total of 11 morphological characters and 44 character states were used in the analyses. Of the 24 species, seven are Philippine endemics, four are potential new species and two species are widely distributed in the areas studied. Results of the phenetic analysis showed four major clusters.

Readjustment of the Standard ASUDAS to Encompass Dental Morphological Variations in Plio-Pleistocene Hominins

2018 ◽  
Vol 30 (1-2) ◽  
pp. 32-48
Author(s):  
M. Louail ◽  
S. Prat
Keyword(s):  
Phylogenetic Relationships ◽  
Homo Sapiens ◽  
Initial Study ◽  
Morphological Characters ◽  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Morphological Variations ◽  
Fossil Hominins ◽  
Fossil Hominin

The standard ASUDAS scoring system (Arizona State University Dental Anthropology System) is used to assess dental morphological variations in modern humans. It is also frequently used to study, score, and compare morphological variations in fossil hominin taxa and to examine their phylogenetic relationships. However, using ASUDAS in studies of this type is under debate because it is based on modern Homo sapiens populations and does not appear to cover all variations observed in fossil Plio-Pleistocene homi- nins. Our observations and coding of 178 dentals casts of Plio-Pleistocene specimens based on ASUDAS and from the literature have confirmed the need to adapt the standard system to fossil hominins. In this initial study, we propose that the scoring procedures for some morphological characters need to be readjusted, while others could be standardized following the ASUDAS system.

Fuzzy model for grape sugar content and fruit shape index with irrigation quota as parameter

2010 ◽  
Vol 18 (2) ◽  
pp. 348-351
Author(s):  
Tao LI ◽  
Jian-Feng ZHANG ◽  
Jiang-Hui ZHANG ◽  
Quan-Jiu WANG ◽  
Sheng-Jiang ZHANG ◽  
...  
Keyword(s):  
Sugar Content ◽  
Fuzzy Model ◽  
Shape Index ◽  
Fruit Shape

Further Observations on the Morphology of Heterodera schachtii, with Remarks on the Bionomics of a strain attacking Mangolds in Britain

1929 ◽  
Vol 7 (3) ◽  
pp. 119-140 ◽  
Author(s):  
Marjorie J. Triffitt
Keyword(s):  
Sugar Beet ◽  
Developmental Stages ◽  
Morphological Characters ◽  
Heterodera Schachtii ◽  
Adult Males ◽  
Morphological Variations ◽  
Size And Shape ◽  
Morphological Studies ◽  
Comparative Survey

In a previous publication the morphological characters of a strain of H. schachtii specialised on the potato in Lincolnshire were discussed. The size and shape of the brown cysts, size of the eggs and first stage larvæ and the general characters of the adult males of this strain were compared with those of a strain attacking potatoes in Rostock, Mecklenburg, for which the specific name H. rostochiensis was suggested by Wollenweber 1923.Considerable dimensional variations were found to exist in the Lincolnshire strain, and a study of the literature on the morphological characters of H. schachtii specialised on sugar-beet and oats, showed equally wide divergencies between the findings of different workers. A certain amount of preserved material of infected roots of beet and oats being available to the writer, as many developmental stages as possible were extracted from these, on which similar morphological studies were carried out. Thus a fairly complete comparative survey of H. schachtii specialised on beet, oats and potatoes was completed, and the morphological variations between the strains were found to be insufficient to justify the separation of the strain specialised on potato from those on beet and oats. The name H. rostochicnsis was, therefore, deemed a synonym for H. schachtii.

scholarly journals Morphometry and Phylogeny of the Different Populations of Selaginella tamariscina (P. Beauv.) Spring and S. pulvinata (Hook. & Grev.) Maxim. in Northern Thailand

2021 ◽  
Vol 20 (4) ◽  
Author(s):  
Udon Pongkawong ◽  
◽  
Jatupol Kampuansai ◽  
Rossarin Pollawatn ◽  
Arunothai Jampeetong ◽  
...  
Keyword(s):  
Phylogenetic Analysis ◽  
Southern China ◽  
Phylogenetic Analyses ◽  
Dna Barcode ◽  
Morphological Characteristics ◽  
Taxonomic Status ◽  
Morphological Characters ◽  
The Philippines ◽  
Northern Thailand ◽  
Selaginella Tamariscina

Abstract “Dok Hin” is the Thai local name for Selaginella species that form rosettes. They commonly distributes in Siberia, Manchuria, southern China, Japan, the Philippines and Thailand. Morphology of Dok Hin is very resemble leading to misidentification. So, exactly number of species of Dok Hin in Thailand and their differences in morphological characteristics is not well understood. Thus, revision of morphological characters and phylogenetic confirmation of the taxonomic identification are needed. This study aims to examine morphological charateristics and phylogenetic patterns in eight populations of the Dok Hin in Northern Thailand. Morphology of Dok Hin from each populations was quantitatively examined using 15 vegetative and 6 reproductive characters meanwhile phylogenetic analyses was explored by DNA barcode ITS2. The results of the phylogenetic analysis revealed the existence of two species of Dok Hin, S. tamariscina and S. pulvinata. Selaginella tamariscina can be distinguished from S. pulvinata by its presence of a pseudotrunk above ground and ridges of dorsal leaves. On the other hand, the results of phylogenetic analysis indicated the differences among populations of S. pulvinata as well. Chiang Mai populations of S. pulvinata was characterized by peculiar set of characters long leaves and leaf apices look like caudate, while the rest of their populations have shorter leaves and leaf apices look like aristate. It indicates that S. pulvinata has genetic and phenotypic divergence among populations. However, additional studies of Dok Hin populations in other parts of Thailand and studies on different genetic markers are necessary to confirm the taxonomic status of S. pulvinata. Keywords: Dok Hin, Morphometric, Phylogeny, Pseudotrunk, Resurrection plant

Redescription of Mastigias papua (Scyphozoa, Rhizostomeae) with designation of a neotype and recognition of two additional species

Zootaxa ◽  
2018 ◽  
Vol 4457 (4) ◽  
pp. 520 ◽  
Author(s):  
MARIANA ROCHA DE SOUZA ◽  
MICHAEL N DAWSON
Keyword(s):  
Pacific Islands ◽  
Parallel Evolution ◽  
Morphological Characters ◽  
The Philippines ◽  
Type Specimens ◽  
Additional Species ◽  
Evolutionary Patterns ◽  
Molecular Analyses ◽  
Taxonomic Approach ◽  
Patterns And Processes

Mastigias, the ‘golden’ or ‘spotted’ jellyfish, is distributed throughout the Indo-Pacific. Specimens are identified routinely as Mastigias papua, although eight species were described historically, and molecular analyses evince at least three phylogenetic species. Understanding species diversity in Mastigias has become a priority because of its growing relevance in studies of boom-bust dynamics related to environmental change, cryptic species, local adaptation, parallel evolution, and peripatric speciation. However, species delimitation and identification are inhibited by a dearth of type specimens for most species, including M. papua. We address these issues by resampling Mastigias from the type locality in Waigeo, West Papua, as well as in the Philippines, and by comparing cytochrome c oxidase subunit I and up to 34 morphological characters of 268 Mastigias specimens from surrounding regions in the Indo-Pacific. We also gathered data from the historical descriptions of the eight species of Mastigias to estimate the identity of the two other currently revealed clades. Using this integrative taxonomic approach, we re-describe Mastigias papua as endemic to the tropical western Pacific islands (including Papua, Palau, Enewetak) and designate a neotype for the species. Additionally, based on morphological similarity and geographic overlap, we identified a second clade most probably as M. albipunctatus (from Japan, Komodo, Berau and Philippines) and a third clade tentatively as either M. andersoni or M. ocellatus. This study highlights the benefits of combining molecular analyses, samples from type locations, traditional descriptions and statistical analyses of morphological variation in systematic studies, and the concomitant potential of such studies to increase understanding of evolutionary patterns and processes in Scyphozoa.

Systematics and phylogeography of the Australasian mangrove crabs Parasesarma semperi and P. longicristatum (Decapoda : Brachyura : Sesarmidae) based on morphological and molecular data

2018 ◽  
Vol 32 (1) ◽  
pp. 196 ◽  
Author(s):  
Adnan Shahdadi ◽  
Peter J. F. Davie ◽  
Christoph D. Schubart
Keyword(s):  
Genetic Data ◽  
Morphological Characters ◽  
Molecular Data ◽  
Geographic Range ◽  
The Philippines ◽  
Mitochondrial Genes ◽  
Width Ratio ◽  
Sister Relationship ◽  
Mangrove Crabs ◽  
Morphological And Molecular Data

Parasesarma semperi (Bürger, 1893) was first described from Bohol in the Philippines and is considered to be widely distributed in Southeast Asia. Parasesarma longicristatum (Campbell, 1967) was originally described as a subspecies of P. semperi from Queensland, Australia, and later recognised as a full species. In this study, we re-examine specimens of the two species from across their entire geographic range using genetic markers, a morphometric analysis, and traditional morphological characters. Previous taxonomic species diagnoses were found to be unreliable, but morphometric principle component analyses consistently separate the two species, with the length to width ratio of the propodus of the fourth pereiopod being of particular importance. Genetic data corresponding to the mitochondrial genes COI, ND1 and 16S confirmed a close sister relationship between the two species, forming reciprocally monophyletic groups. Both species have high haplotype diversities and high intraspecific gene flow.

Study of Six Varieties of Sweet Basil (Ocimum basilicum L.) and their Morphological Variations

2016 ◽  
Vol 23 (1) ◽  
pp. 17-22
Author(s):  
Rajni Rawat ◽  
K. Negi ◽  
Puran Mehta ◽  
Vandana Tiwari ◽  
S. Verma ◽  
...  
Keyword(s):  
Morphological Characters ◽  
Ocimum Basilicum ◽  
New Delhi ◽  
Phenotypic Characters ◽  
Tropical Asia ◽  
Morphological Variations ◽  
Sweet Basil ◽  
Medicinal Use ◽  
Superior Genotypes ◽  
The Comparative Study

Sweet basil is an incredible herb, used both as a classic culinary and ornamental herb of Home Gardens. The genus Ocimum contains approximately 65 species of herbs and shrubs originated in tropical Asia. It has a strong medicinal use and it is very high in vitamins and minerals. The present study holds 6 varieties of Ocimum basilicum L. consisting of 29 accessions were procured from National Gene Bank, New Delhi. These accessions were grown in the Kharif seasons of 2014-15 at ICAR-NBPGR Regional Station, Bhowali, Nainital Uttarakhand for analysing of their quantitative and qualitative or phenotypic characters for identification of superior genotypes. The comparative study of Ocimum spp. was examined to assess the variability of qualitative and quantitative morphological characters using standardized description present among 30 accessions of 6 varieties of Ocimum basilicum L. (Sweet Basil).

scholarly journals Tomato Phenotypic Diversity Determined by Combined Approaches of Conventional and High-Throughput Tomato Analyzer Phenotyping

Plants ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 197 ◽  
Author(s):  
Amol N. Nankar ◽  
Ivanka Tringovska ◽  
Stanislava Grozeva ◽  
Daniela Ganeva ◽  
Dimitrina Kostova
Keyword(s):  
Phenotypic Diversity ◽  
Hierarchical Cluster ◽  
Shape Index ◽  
Fruit Shape ◽  
Strong Positive Correlation ◽  
Correlation Networks ◽  
Vegetative Traits ◽  
The Relationship ◽  
Shape And Size ◽  
Tomato Analyzer

Morphological variation in vegetative and fruit traits is a key determinant in unraveling phenotypic diversity. This study was designed to assess phenotypic diversity in tomatoes and examine intra- and intervarietal groups’ variability using 28 conventional descriptors (CDs) and 47 Tomato Analyzer (TA) descriptors related to plant and fruit morphometry. Comprehensive phenotyping of 150 accessions representing 21 countries discerned noticeable variability for CD vegetative traits and TA quantified fruit features, such as shape, size, and color. Hierarchical cluster analysis divided the accessions into 10 distinct classes based on fruit shape and size. Multivariate analysis was used to assess divergence in variable traits among populations. Eight principal components with an eigenvalue >1 were identified by factor analysis, which contributed 87.5% variation to the total cumulative variance with the first two components contributing 32.0% and 18.1% variance, respectively. The relationship between vegetative and fruit descriptors was explained by respective CD and TA correlation networks. There was a strong positive correlation between fruit shape and size whereas negative correlations were between fruit shape index, internal eccentricity, and proximal end shape. The combined approach of CD and TA phenotyping allowed us to unravel the phenotypic diversity of vegetative and reproductive trait variation evaluated at pre- and post-harvest stages.

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