Showing papers on "Peduncle (anatomy) published in 2018"

Development and characterization of penta-flowering and triple-flowering genotypes in garden pea (Pisum sativum L. var. hortense).

Abstract: This study reports the development of a garden pea genotype 'VRPM-901-5' producing five flowers per peduncle at multiple flowering nodes, by using single plant selection approach from a cross 'VL-8 × PC-531' In addition, five other stable genetic stocks, namely VRPM-501, VRPM-502, VRPM-503, VRPM-901-3 and VRPSeL-1 producing three flowers per peduncle at multiple flowering nodes were also developed All these unique genotypes were of either mid- or late- maturity groups Furthermore, these multi-flowering genotypes were identified during later generations (F4 onward), which might be because of fixation of certain QTLs or recessive gene combinations Surprisingly, a common parent PC-531, imparting multi-flowering trait in ten cross combinations was identified Thus, the genotype PC-531 seems to harbor some recessive gene(s) or QTLs that in certain combination(s) express the multi-flowering trait The interaction between genotype and environment showed that temperature (11-20°C) plays a key role in expression of the multi-flowering trait besides genetic background Furthermore, the possible relationship between various multi-flowering regulatory genes such as FN, FNA, NEPTUNE, SN, DNE, HR and environmental factors was also explored, and a comprehensive model explaining the multi-flowering trait in garden pea is proposed

Effect of foliar application of boron and zinc on growth and flowering characters in African marigold cv. Pusa Narangi Gainda.

Abstract: A field experiment was conducted to investigate the effect of foliar application of boron and zinc on growth and flowering characters in African marigold cv. Pusa Narangi Gainda. The experiment was laid out in a Randomized Block Design with three replications. Significant results were observed in all the parameters studied. Among the growth characters, maximum number of primary branches/plant was found with zinc sulphate at 1.0% and 1.5%. Whereas, boric acid at different levels positively influences the other growth characters. Maximum stem diameter and plant spread were found at Boric acid (0.1%). However, maximum leaf dry weight was noticed in boric acid treatment at 0.4%. Among the flowering characters, earliest bud initiation was observed with boric acid at 0.3% and ZnSO4 (0.25%). Zinc sulphate (1.0%) showed the significantly increased bud diameter, number of petals/flower, fresh and dry weight of flower. However, boric acid at different levels also proved to be significant for traits like early flowering at 0.3% level, increasing number of flowers/plant and bud length at 0.1% level and at 0.4% level it influenced peduncle length greatly.

Morphologically Cryptic Species of the Astyanax bimaculatus "Caudal Peduncle Spot" Subgroup Diagnosed Through Cytogenetic Characters.

Abstract: Astyanax is a species-rich polyphyletic genus distributed between the southern United States and central Argentina. The genus contains groups of cryptic species, which are difficult to dis...

Characterization of reproductive morphological characteristics of sugar palm (Arenga pinnata) and its relationship with sap yield and Brix value.

Abstract: Arenga pinnata (sugar palm) is a multipurpose palm species with interesting economic potential, well known for the high sugar content of its sap. We characterized various morphological characteristics of male and female inflorescences and correlations between these parameters and sap yield were determined. We found strong correlations between peduncle girth and various morphological parameters in both types of inflorescence. Our results revealed a highly significant correlation between the average sap volume/day and various morphological parameters of male inflorescences such as the peduncle girth and average rachillae length. These morphological parameters are proposed as potential indicators for the identification of superior germplasm with high sap yield.

Hedysarum ketenoglui (Fabaceae-Hedysareae), a new species from southern Turkey

Abstract: Hedysarum ketenoglui is described as a new species from Gevne Valley in the Hadim district in the province of Konya in Turkey. The diagnostic morphological characteristics and habitus of the new species are illustrated. The new species differs from Hedysarum anatolicum (syn: Sartoria hedysaroides ) in the habitus, stem, leaves and the length of the peduncle, the shape of the leaflets, the number of flowers in the inflorescence, and the size of fruit.

Exostoma ericinum, a new glyptosternine catfish from southwestern China (Teleostei: Siluriformes: Sisoridae).

Abstract: A new species of glyptosternine catfish in the genus Exostoma is described in this study. The new species, E. ericinum, is known from the upper Dayingjiang (=Taping River) drainage in southwestern China and is distinguished from congeners in having an unique combination of the following characters: 42-44 vertebrae; parallel striae on anterolateral surfaces of lips and lower surface of maxillary barbel; interorbital distance 26-31% HL; preanal length 67.7-70.5% SL; body depth at anus 10.4-12.0% SL (1.4-1.9 times in caudal peduncle depth); length of adipose-fin base 39.5-43.0% SL; lacking an incision at posterior extremity of adipose-fin base; caudal peduncle length 23.2-26.2% SL; caudal peduncle depth 5.7-7.9% SL; and caudal-fin lobes with slightly concave posterior margin.

A new species of stygobitic freshwater crab of the genus Rodriguezia Bott, 1969 (Crustacea: Decapoda: Trichodactylidae) from Tabasco, Mexico.

Abstract: A new species of freshwater crab of the family Trichodactylidae, genus Rodriguezia Bott, 1969 is described from Grutas de Agua Blanca in southern Tabasco, Mexico. Rodriguezia is a genus endemic to northern Chiapas and southern Tabasco, distributed over a small area of 70 km. Rodriguezia adani n. sp., the third species of the genus, occurs north of its two congeners, being stygobitic with obvious adaptations to cave life. It can be distinguished from R. villalobosi , an epigean species, by the absence of eyes, lack of pigmentation and elongation of the pereiopods; and from R. mensabak by having less elongated pereiopods relative to carapace breadth, an extremely reduced ocular peduncle, and a smaller adult size.

Revolve and twist formula hot melt type LC type optical fiber connector

Abstract: The utility model discloses a revolve and twist formula hot melt type LC type optical fiber connector mainly relates to fiber communication's technical field, it is fixed that AB glue is passed through to the junction of its built -in tail optical fiber and ceramic lock pin, and the caudal peduncle connects at the inner tube rear portion, the inside optic fibre hot melt pipe that is provided withof caudal peduncle, the other end grafting of built -in tail optical fiber is intraductal at the optic fibre hot melt, and built -in tail optical fiber tip meets with the outside butterfly -shaped optical cable that one end was pegged graft in the caudal peduncle, the caudal peduncle inner wall is saw tooth structure, and caudal peduncle rear end outside is equipped with the external screw thread,the external screw thread of caudal peduncle and the interior screw thread fit connection that the tail was sheathe in, and caudal peduncle front end outside is equipped with knurled, tail cover tipis provided with the back tail, is provided with the profile of tooth convex closure on the back tail, the utility model discloses adopt threaded connection between optical fiber connector's caudal peduncle and the tail cover, the assembly is simple, convenient, connects the fastening, long service life to communication optical fiber optical cables such as the butterfly -shaped optical cable of its introduction clamp the fastening, and difficult pine takes off the wrench movement, thereby can bear multinomial mechanical properties's test.

Estimates of genetic components and regression analysis for grain yield and various morphological traits in bread wheat (Triticum aestivum L.)

Abstract: The present study was conducted to estimate the gentic components and regression analysis for grain yield and various morphological traits in bread wheat involving 10 parents and their 45 F1s (half diallel) during 2012- 13 and 2013-14. Significant additive (D) and dominance (H1) variance for the traits indicated that expression of these traits is control by both additive and dominance gene action. Average degree of dominance (H1/D)1/2 were more than unity for the traits (peduncle length, flag leaf area, productive tillers, biological yield, grain yield, harvest index) indicating the preponderance of over dominance gene action. The estimates of h2 were positive and significant for days to ear emergence, peduncle length, productive tillers, biological yield and grain yield indicated dominance of genetic components in F1s. Positive and significant values of F were estimated for days to ear emergence, days to 50% flowering, spike length, flag leaf area and grain yield in F1s indicating the preponderance of dominance and positive genes in the parents involved. The theoretical value (0.25) of (H2/4H1) for all the traits indicated asymmetrical distribution of positive and negative genes. The proportion of dominant and recessive alleles indicated presence of dominant alleles in the parents. The traits showing more than 30% narrow sanse heritability could be rewarding for further improvement in grain yield in bread wheat. Regression analysis indicated that the traits (days to ear emergence, days to 50% flowering, peduncle length, flag leaf area, productive tillers, harvest index, biological yield and grain yield) control by over dominance type of gene action. The parent RAJ 4246 contained maximum dominant genes for days to ear emergence and days to 50% flowering; HD 2733 for spike length and flag leaf area and HD 2824 for productive tillers, biological yield and grain yield used as donors in multiple traits breeding programme to develop high yielding wheat genotypes.

Variability of beech cupules in Serbia

Abstract: Beech is the most important tree species in forests of Serbia. However, despite its significance, the taxonomic status of beech in Serbia is unclear. Morphology of the cupules can be successfully used to distinguish species and within species taxa. In this paper we report results on cupules morphology, measuring the same attributes reported by Misic (1955): 1) Length of the longest valve of cupule, 2) Width of that valve (at widest point), 3) Distance between base of the longest valve and peduncle, 4) Length of cupule without peduncle, and 5) Length of peduncle. The length of cupule and peduncle length from 12 populations in Serbia are in the range reported for Fagus sylvaticain Serbia and western Eurasia. Results of cluster analysis shows a grouping of populations in two groups:1) the southeast group, and 2) group consist of populations from northwest, east and southeast of Serbia. Populations from this southeast group also consist the group of populations on altitude over 850 m, indicating presence of ecotypes. The exception is population from Stara Planina (1,520 m a.s.l.) which is grouped with populations from altitudes under 850 m. Keywords: European Beech; cupules; variability

First record of the unicorn leatherjacket Aluterus monoceros (Tetraodontiformes: Monacanthidae) from the Southern coast of Bay of Bengal, Bangladesh

Abstract: We report the first record of the unicorn leatherjacket Aluterus monoceros (Tetraodontiformes: Monacanthidae) from the Southern coast of Bay of Bengal, Bangladesh. A single specimen of A. monoceros was collected on 03 March 2018, from the Alipur Fish Landing Center of Kuakata, Bangladesh. Morphometric and molecular approach were applied for taxonomic identification. Body compressed with leathery skin almost oval in shape, a long pointed snout. Caudal peduncle is longer than deep; peduncle length into peduncle depth 0.66 times. Caudal fin relatively short, about 15% of standard length (SL). Eye to dorsal spine distance relatively large, 7.63% of S.L. Body depth is 38.5% of S.L. The morphometric, meristic and DNA barcoding data thus confirmed the presence of A. monoceros in Bangladesh. This report updates the geographical distribution for this species confirming its presence in the coastal region of Bangladesh, and extends the number of marine fish known from the area.

Equipment of localization of peduncle and method of localization of peduncle

Abstract: The invention provdies an equipment of localization of peduncle and a method of localization of peduncle that can achieve a stable harvesting motion by estimating the position of a peduncle even in the case where the peduncle is located behind fruits and the like and cannot be recognized as viewed from the image sensor side. The peduncle position estimating apparatus includes image acquiring section (102) that acquires an image of fruits; and estimation section (104) that estimates a position of a peduncle that is coupled with the fruits based on positions of the fruits and a distance betweenthe fruits in the image acquired by the image acquiring section.

Abdominal Pregnancy with a Fibrovascular Peduncle Connected to Fallopian Tube

Abstract: ABS TRACT Abdominal pregnancy is an uncommon form of ectopic gestation with a higher incidence of maternal morbidity and mortality. Ultrasonography and βhCG levels are useful for early detection of ectopic pregnancy. Meticulous surgical exploration is crucial for the definitive diagnosis in abdominal pregnancy. Abdominal pregnancy with an extraordinary presentation is summarized in the current case report. Seven weeks pregnant patient complained of pain and was diagnosed as ectopic pregnancy according to the results of βhCG and ultrasonography. Laparoscopic findings were consistent with normal uterus, bilateral adnexae and intraabdominal bleeding. The ectopic gestational product with adherent blood clot was observed free in the abdomen, connected to the left tuba with only a thin peduncle. The peduncle was electrocauterized, the gestational product was removed from the abdomen by the endobag. Abdominal pregnancy may be free in the abdomen, connected to the fallopian tube with a peduncle. Simple excision of the peduncle will enable the surgical treatment.

On finding of Monocorophium insidiosum Crawford, 1937 (Amphipoda, Corophiidae) in the coastal waters of Crimea (Black Sea), a new species for this region

Abstract: An illustrated description of morphology of Monocorophium insidiosum Crawford, 1937 from the Crimean coastal waters is given. In this work, 744 specimens from different locations and substrates of the Crimean coastal waters have been analyzed. The main specific parameters of species from the Crimean coastal waters are as follows: rostrum of males is about one half of first article of antenna I length, dactylus of gnathopod II is equipped with 2–4 additional spines along the inner side (both for males and females). Variability is observed in parameters of the following parts: first article of antenna I peduncle, fourth article of antenna II peduncle, inner side of gnathopod II dactylus, and outer sides of the outer and inner rami of uropod II. Morphological parameters of specimens from the Black Sea, the Mediterranean Sea (literature data), and the North America coast (Vancouver area, literature data) have been compared. Specimens from the Black Sea are morphologically similar, but have some differences from the North American ones. In particular, first article of antenna I peduncle of specimens from the North America have conical process (specimens from the Black Sea have rounded process); fifth article of antenna II peduncle is with proximal medial tooth (specimens from the Black Sea are without proximal medial tooth); and outer ramus of uropod II has medial spine (Mediterranean specimens are without such a spine). These differences should be taken into account when carrying out hydrobiological research.