scholarly journals Morphological characteristics of the interspecies hybrid between Sorghum and Sudan grass under intensive nitrogen nutrition

Genetika ◽  
2013 ◽  
Vol 45 (1) ◽  
pp. 31-40
Author(s):  
Jela Ikanovic ◽  
Vera Popovic ◽  
Vojislav Trkulja ◽  
Ljubisa Zivanovic ◽  
Zeljko Lakic ◽  
...  

The object of this study was a two-year trial (2009 and 2010) regarding variability of morphological characteristics of species belonging to Sorghum genus, more specifically interspecies hybrid between sorghum and Sudan grass Siloking as affected by different applications of nitrogen. The following morphological characteristics were analysed: plant height, number of leaves, leaf ratio, stem ratio, and number of shoots. Samples were taken from the first cut when the effect of the applied nitrogen doses was the strongest. The results showed that increasing nitrogen quantities significantly affected the tested morphological characteristics, especially the intensity of tillering (increased number of secondary stems), number of the formed leaves, and ratio of leaf weight in the total above-ground biomass. The effect of applied nitrogen depended on the weather conditions, i.e. distribution of precipitation, so that plants reached maximum height when 105 kg N ha-1 was applied in the dry year and 180 kg N ha-1 in the wet year.

Genetika ◽  
2010 ◽  
Vol 42 (2) ◽  
pp. 349-358 ◽  
Author(s):  
Jela Ikanovic ◽  
Djordje Glamoclija ◽  
Radojka Maletic ◽  
Snezana Jankovic ◽  
Marjenka Tabakovic ◽  
...  

The subject of this study is a three-year study (carried out during 2007, 2008 and 2009) of the morphological characteristics variability in three genotypes NS-Dzin (Forage Sorghum), Zora (Sudan grass) and Siloking (interspecies hybrid) depending on the amount of nitrogen used for plant nutrition. For the height and mass analysis of fresh stems and leaves as well as leaf mass and leaf portion in the total biomass, samples were taken from the first swath when the effect of the used nitrogen amounts was the greatest. The results have shown that there are significant variations in the tested properties between the genotypes. The Siloking genotype had the highest total biomass during all three years. The largest leaf mass was found in the NS-Dzin genotype, while the Zora genotype had the highest leaf portion in the three-year average. The effect of nitrogen use depended on the weather conditions, as well as the layout of the rainfall, so that the optimal quantity was 105 kg ha-1 during the first and the second year, and 150 kg ha -1 during the third year.


2012 ◽  
Vol 28 (3) ◽  
pp. 585-593
Author(s):  
S. Jankovic ◽  
S. Rakic ◽  
J. Ikanovic ◽  
J. Kuzevski ◽  
Lj. Zivanovic ◽  
...  

Objective of the research were phenotypic and genetic correlation coefficients of three species of Sorghum genus - forage sorghum S. bicolor Moench. (genotype NS-Dzin), Sudan grass S. sudanense L. (genotype Zora) and interspecies hybrid S. bicolor x S. sudanense (genotype Siloking). Studies were carried out on samples of plant material from the first cut. The following morphological-productive traits were studied: plant height, number of leaves per plant, mass of leaves on the stem, average stem mass and yield of green biomass. In the analysis of genetic and phenotypic coefficients, differences depending on the impact on studied morphological-productive traits are observed. The highest value of the stem height was recorded in Sudan grass (2.281 m), as well as number of leaves per plants (7.917). The greatest mass of leaves per plant was established in forage sorghum (49.05 g), and the highest average stem mass was recorded in interspecies hybrid plants (80.798 g). Variation of morphological-productive indicators per species was significant and very significant. Coefficients of simple correlations indicate the presence of very strong to almost complete, statistically very significant positive correlations, so these effects were expected. Plant height and number of leaves were not directly but indirectly statistically significant to yield of green biomass and varied from insignificant and very weak to sporadically medium strong and statistically significant.


2013 ◽  
Vol 9 (1-2) ◽  
pp. 1-8 ◽  
Author(s):  
MD Hossain ◽  
KH Talukder ◽  
M Asaduzzaman ◽  
F Mahmud ◽  
N Amin ◽  
...  

The experiment was carried out during the period from November’2008 to October, 2009 to compare the morphology of five gladiolus flowers genotypes with respect to plant height, length and breadth of leaf, number of leaves per plant, length of flowers, breadth of flower, weight of flower, weight of single stick, length of spike, length of rachis, flowers per plant, days to reach 50% spike initiation, number of corm and cormel per plant, breadth of corm and weight of cormel per plant. The results indicated the significant variation amongst the gladiolus genotypes with respect to studied morphological characteristics as well as with yield, yield attributes and plant height. The plant height was higher (58.6cm) and lower (46.52cm) in yellow and orange /red respectively due to genotype. The lengths of leaves were almost same but higher with yellow and violet (42.25/42.05 cm) than the white and orange ones where the smallest length was recorded for red (33.36cm) one. Almost same trends were recorded for breadth of leaves with the exception of few. The average number of leaves was highest for white (12.25) followed by red, violet, orange and yellow respectively. Most of the parameters of flower characteristics did not maintain regular trend and correlation when considered in terms of sequences starting from white to red as shown in the table 1, 2 and 3. The recorded results clearly indicate that the white genotype has the best planting materials which may be planted for luxuriant growth of plants and production of excellent flowers. DOI: http://dx.doi.org/10.3329/jsf.v9i1-2.14642 J. Sci. Foundation, 9(1&2): 1-8, June-December 2011


2002 ◽  
Vol 59 (4) ◽  
pp. 771-776 ◽  
Author(s):  
Rafael Camacho ◽  
Eurípedes Malavolta ◽  
José Guerrero-Alves ◽  
Tomás Camacho

Morphological variables such as phytomass, plant height, leaf area, number of leaves, have been used to express the influence of mineral nutrients on plant growth patterns, since the vegetative development responds, in general, favorably to fertilizer applications. This work evaluates the effect of P on both, some morphological characteristics and total [P] in the shoot of eight grain sorghum (Sorghum bicolor L. Moench) genotypes. Genetic materials were grown in nutrient solution under three concentrations of P (0; 0.5 and 1.0 mmol L-1). Plants were harvested 41 days after sowing, and leaf area per plant (LA), number of leaves (NL) per plant, root volume (RV), plant height (PH), root dry matter (RDM), shoot dry matter (SDM), total dry matter (TDM), RDM/SDM ratio, and total P concentration in shoot were determined. RDM/SDM was high for treatment P(0) and diminished about twice when P was added. Lack of applied P decreased the final NL and LA. Shoot [P] was positively correlated with solution [P], but the increase in P concentration in the nutrient solution from 0.5 to 1.0 mmol L-1 had a negative effect on growth. Both under deficiency and sufficiency conditions of P, Himeca-101 showed the best behavior in terms of RDM, SDM, TDM, RV, LA and NL. LA and PH were identified as the best indicators to predict dry matter yield of sorghum plants under P supply conditions.


Author(s):  
Edgley Soares Da Silva ◽  
Jefferson Alves Dias ◽  
Diego Almeida Medeiros ◽  
Roberto Dantas de Medeiros ◽  
Yenara Alves Guedes ◽  
...  

Aims: The objective of present study was to evaluate the efficiency of the use of different doses of nitrogen (N) applied in part to the growth and production of sesame. Study Design: The design used was in random blocks, arranged in factor 9 × 3 scheme, with five repetitions and ten plants per experimental unit. Place and Duration of Study: The study was conducted from June to September 2018 at Experimental Chã-de-Jardim Farm, Center of Agrarian Sciences of the Federal University of Paraíba, municipality of Areia, Paraíba, Brazil. Methodology: The treatments consisted nine doses of nitrogen (0; 10; 20; 30; 40; 50; 100; 150 and 200 kg ha-1) and three forms of installment (P1 = 50% in foundation and 50% in cover thirty days after sowing (DAS); P2 = 33.3% on foundation, 33.3% for fifteen DAS and 33.3% for coverage; P3 = 25% for foundation, 25% for fifteen DAS, 25% for coverage and 25% for 45 DAS). The parameters were evaluated: plant height (PH), stem diameter (SD), sheet number (SN), number of capsules (NC), productivity of grain (PG) and mass of 1000 grains (M1000). Results: There was an increase in plant height when N was less fragmented, with a maximum height of 137.7 cm at a dose of 92.05 kg ha-1 of N. The diameter of the stem and the number of leaves increased linearly as a result of the increase in N doses. The doses of N applied only on foundation (50%) and coverage (50%) promoted an increase in the number of capsules, with a maximum of 199.7 units referring to the application of 212.75 kg ha-1 of N. Grain productivity was increased with an increase in the application of N, for the three splitting forms, up to a dose of maximum efficiency, followed by a subsequent decrease. Conclusion: The increase in the portioning of nitrogen fertilization promotes lower growth of sesame plants. The application of 183.5 kg ha-1 of N, 50% on foundation and 50% on coverage, provides higher productivity of sesame grains (1541.3 kg ha-1).


2021 ◽  
Vol 250 ◽  
pp. 121-129
Author(s):  
M.I. Ivanova ◽  
◽  
A.F. Bukharov ◽  
A.I. Kashleva ◽  

Eight samples of representatives of Allium L. genus from Rhizirideum subgenus, Rhizirideum G. Don ex Koch section were studied in the conditions of the Moscow region. The presented study is planned to determine the correlation between various traits that contribute to yield increase and accumulation of biologically active compounds in leaves. Morphological characteristics (plant height, number of leaves per plant, number of shoots per plant, leaf length, leaf width and total leaf yield) and biochemical parameters (dry matter, nitrates, ascorbic acid, mono sugars, chlorophyll, carotene, flavanoids, hydroxycinnamic acids) were analyzed. Research on introduction and mobilization of genetic resources, preservation and sustention of genetic collection of representatives of Allium L. genus were carried out within the framework of the State Assignment. Dispersion analysis showed significant differences among the tested genotypes for all the studied parameters, namely phenotypic, biochemical and yield traits. The relation between the parameters was assessed using Pearson coefficient. A positive close connection was revealed between the plant height and leaf length (0.792), plant height and flavonoids (0.744), the number of shoots and the number of leaves (0.818), dry matter and nitrates (0.903), mono sugars and ascorbic acid (0.739), mono sugars and hydroxycinnamic acids (0.700), mono sugars and flavonoids (0.704), ascorbic acid and hydroxycinnamic acids (0.964), ascorbic acid and flavonoids (0.937), hydroxycinnamic acids and flavonoids (0.987). A negative close connection was noted between the height and number of shoots (-0.757), plant height and chlorophyll (-0.814), number of shoots and leaf length (-0.951), number of leaves and leaf length (-0.717), dry matter and mono sugars (-0.804 ), nitrates and mono sugars (-0.887). The revealed patterns are of interest for constructing a model of varieties and selection usage.


2021 ◽  
Vol 1 (1) ◽  
pp. 1
Author(s):  
Sri Hartati ◽  
Prasetyo Prasetyo ◽  
Endang Setia Muliawati

<p>Vanda Orchid is one of the most popular ornamental plants. Orchids have slow growth. One way to overcome this weakness is by using gamma-ray irradiation. This research aimed to study the morphological characters of various radiation doses resulting from the crossing of the Vanda Orchid. This study was carried out by observing the characters of vegetative growth for each plant on 0 Gy, 10 Gy, 20 Gy, 30 Gy, 40 Gy, and 50 Gy doses of gamma irradiation treatments. The observed variables were the increase in plant height, leaf length, root length, number of roots, number of leaves, leaf width, and leaf color. The results showed that the dose of gamma-ray irradiation were able to increase plant height. 10 Gy and 20 Gy, gamma-ray irradiation doses, resulted in discolored yellowing of orchid leaves. The discoloration of orchid leaves to light green occurs at irradiation doses of 30 Gy, 40 Gy, and 50 Gy. The morphological characteristics of <em>Vanda</em> sp. hybrid results gamma irradiation are high at dose 10-40 Gy.</p><p> </p><p>Keywords:<strong> </strong>characteristics; morphological; orchid.</p>


Author(s):  
А. V. Alabushev ◽  
N. А. Kovtunova ◽  
V. V. Kovtunov ◽  
А. Е. Romanyukin ◽  
Е. А. Shishova

The correlation between the traits allows making an indirect selection, while the selection according to one trait results in the selection of another indicator. The purpose of the work is to estimate the variability of quantitative traits of Sudan grass and the correlations between them, to identify marker traits of high productivity and quality of green mass. There have been presented the study results of 115 collection samples of Sudan grass with various environmental and geographical origin of the Rostov region made in 2014-2018. There was a great variability (V=29.7-50.0%) in tillering, leaf square, green mass yield, stem diameter, plant height among the studied varieties.  The percentage of fiber and nitrogen-free extractive substances in the green mass of the studied Sudanese grass samples were characterized with high stability (V = 4.9-5.0%). The analysis has identified a strong correlation between green mass productivity and leaf length (r=0.59±0.01), leaf width (r=0.57±0.02), leaf square (r=0.54±0.03), plant height (r=0.48±0.06), length of ‘vegetation-ear formation’ period (r=0.48±0.004) and number of leaves (r=0.42±0.03). There has been identified a group of samples ‘Boldinsky’, ‘Fioros’, ‘К-176’, ‘К-205, ‘К-272’ with 35-55 t/ha green mass productivity and with 20.5-24.5% dry matter in green mass. The conducted analysis has shown that dry matter percentage greatly correlates with plant height (r=0.30±0.001), vegetation period (r=0.34±0.004) and number of leaves (r=0.26±0.006). The markers of high productivity and quality of green mass are length of a vegetation period and number of leaves (their increase results in the growth of green mass yields), dry matter percentage in green mass and protein decrease in it.


2014 ◽  
Vol 30 (4) ◽  
pp. 743-749
Author(s):  
J. Ikanovic ◽  
S. Jankovic ◽  
V. Popovic ◽  
S. Rakic ◽  
G. Drazic ◽  
...  

The paper investigated the production properties of three sorghum genotypes: NS-Dzin (forage sorghum), Zora (Sudan grass) and Siloking (interspecies hybrid) in terms of different nitrogen rates used in side dressing in 2009 and 2010. The subject of study was green biomass and dry matter yield in the stages of intensive growth and tasseling. The results have shown that there have been significant fluctuations in production indicators between the genotypes. In the total average, the lowest yield was recorded for the Sudan grass (85.41 t ha-1). Significantly higher yields were recorded for the interspecies hybrid (90.22 t ha-1) and the forage sorghum (93.51 t ha-1). Although the effect of nitrogen rates depended on weather conditions, i.e. rainfall distribution, the optimal nitrogen rate in both years was 180 kg ha-1.


Author(s):  
Neveen Anwer Abdalla

The experiment has been conducted in the nursery of the Department of Horticulture and Landscape Design, College of Agriculture, the University of Basrah to study the effect of Spraying foliar of the biostimulants Izomen and Humus on the growth and flowering of Freesia plants. The corms in similar size were planted in pots with a diameter and height of 25 cm, which filled with 2.5 kg of sterilized loam soil. After 50 days of planting, the plants sprayed with Humus at 0, 1.5, 2.5 ml L-1 and after five days sprayed with Izomen at 0, 1.5, 2.5 ml L-1 The different concentrations of biostimulants are sprayed three times, the period between one spray and another 15 is days. The results showed that the spraying of Humus at 2.5 ml L-1 significantly increased the plant height, the number of leaves and the leaf content of chlorophyll recorded (29.56 cm, 8.33 and 58.43%) respectively. Moreover, it is recorded early the flowering date (130 days), and the highest flowering mean is (2.12 inflorescence/plant) and the highest period of the remained flowers on the plant and the vase life (10 and 8 days) respectively. The effects of both Humus and Izomen were similar. In addition to the highest mean of their interaction at 2.5 ml L -1for all the studied traits.


Sign in / Sign up

Export Citation Format

Share Document