scholarly journals Effect of nitrogen and phosphorus fertilization sources on the potato crop yield (Solanum tuberosum L.)

2020 ◽  
Vol 73 (3) ◽  
pp. 9255-9261
Author(s):  
Rember Pinedo-Taco ◽  
Tulio Olivas-Alvarado ◽  
Gilberto Rodríguez-Soto ◽  
Viviana Castro-Cepero
Keyword(s):  
Solanum Tuberosum ◽  
Crop Yield ◽  
Solanum Tuberosum L ◽  
Potato Crop ◽  
Block Design ◽  
Total Yield ◽  
Phosphorus Fertilization ◽  
Nitrogen And Phosphorus ◽  
Climate Conditions ◽  
Commercial Yield

Potato (Solanum tuberosum L.) is a demanding crop regarding fertilization practices, and its productivity also depends on the variety used, environmental conditions, soil fertility, and crop management. The aim of this study was to investigate the effect of the interaction of nitrogen and phosphorus fertilization sources on potato crop yield. A randomized block design with a 3×3 factorial arrangement, nine treatments, and four repetitions was established. INIA-303 Canchan was the variety evaluated using three nitrogen fertilization sources: ammonium nitrate (AN), ammonium sulfate (AS), and urea. Also, three phosphorus sources were used: monoammonium phosphate (MAP), diammonium phosphate (DAP), and triple superphosphate (TSP). Total yield, commercial yield, tuber number per plant, and tuber weight per plant were studied. INIA-303 Canchan variety showed positive responses to the combinations of nitrogen and phosphorus fertilization according to the soil and climate conditions where the research was carried out. AN+DAP was the combination with the highest total yield, commercial yield, number, and weight of tubers per plant (P<0.01).The fertilization mixtures of AN+DAP, AS+MAP, and AN+MAP, applied on the INIA-303 Canchan potato variety, can be recommended to achieve yields between 32.45 t ha-1 and 33.98 t ha-1

scholarly journals Response of Potato (Solanum tuberosum L.) to nitrogen and phosphorus fertilizer at Wag-Lasta Areas of Eastern Amhara, Ethiopia

2020 ◽  
Author(s):  
Workat Sebnie ◽  
Tilahun Esubalew ◽  
Merse Mengesha
Keyword(s):  
Plant Height ◽  
Crop Yields ◽  
Solanum Tuberosum L ◽  
Block Design ◽  
Total Yield ◽  
Yield Component ◽  
Command Area ◽  
Nitrogen And Phosphorus ◽  
Combined Application ◽  
Irrigation Condition

Abstract Background: Production and productivity of potato in Ethiopia is far below the world average due to soil fertility problem, pest, disease, and agronomic factors. Nutrient depletion due to soil erosion is a serious problem in Ethiopian highlands. Annually, 122 kg ha-1 nitrogen, 13 kg ha-1 phosphorous and 82 kg ha-1 potasium were estimated to deplete from Ethiopia (Haileslassie et al., 2005). The essential nutrients like, nitrogen and phosphorus are the most important influential nutrient for the production of potato but they are deficient in most Ethiopian soils and thus an application of these nutrients could increase significantly the crop yields. In this context, an experiment was conducted at Sekota and Lasta Lalibela districts (Woleh and Kechin Abeba irrigation command areas) of eastern Amhara, Ethiopia to investigate the effects of nitrogen and phosphorus fertilizers for yield and yield component of potato under irrigation condition. Methods: Four rates of nitrogen (0, 46, 92, and 138 kg N kg ha-1) and four rates of phosphorus (0, 23, 46, and 69 Kg P2O5 kg ha-1) were combined in the factorial arrangement and laid out in randomized complete block design with three replications. Results: The result of the study revealed that nitrogen and phosphorus had a significant effect on plant height, marketable, and total yield of potato at Kechin Abeba. But phosphorus did not show a significant effect on plant height and unmarketable yield at Sekota district of Woleh irrigation command area. The highest yield 45.55 t ha-1 was obtained from in combined application of 138 N and 23 P2O5 in Lalibela and 17.12 t ha-1 was obtained from in combined application of 138 N kg ha-1 and 46 P2O5 kg ha-1 from Sekota districts of Woleh irrigation command area. Conclusion: The application of 138 kg ha-1 N with 23 kg ha-1 P2O5 is the appropriate rates for optimum productivity of Potato at Lalibela (Kechin Abeba) and Sekota (Woleh) irrigation schemes and the same agro-ecology.

scholarly journals Performance of carrot genotypes at two Jequitinhonha Valley sites

2015 ◽  
Vol 36 (6Supl2) ◽  
pp. 4059
Author(s):  
Gustavo Antônio Mendes Pereira ◽  
Maxwel Coura Oliveira ◽  
Altino Júnior Mendes Oliveira ◽  
José Sebastião Cunha Fernandes ◽  
Valter Carvalho de Andrade Júnior ◽  
...  
Keyword(s):  
Dry Matter ◽  
Block Design ◽  
Total Yield ◽  
Soil Conditions ◽  
Root Yield ◽  
Shoot Height ◽  
Climate Conditions ◽  
Randomized Complete Block Design ◽  
Commercial Yield ◽  
The Town

<p>The successful commercial use of carrot depends on the choice of cultivars that are well-adapted to soil and climate conditions at the cultivation site and on good consumer acceptance. The objective of this study was to evaluate the performance of carrot cultivars grown in autumn-winter in two towns with different climatic characteristics, in the High Jequitinhonha Valley, MG, Brazil. The experiments were conducted on the Rio Manso farm, in the town of Couto de Magalhães de Minas and on Campus JK at UFVJM, in the town of Diamantina, Minas Gerais, Brazil. Six carrot cultivars (Brasília, Nantes, Kuronan, Esplanada, Planalto and Tornado) were evaluated using a randomized complete block design with three replicates. The following morpho-agronomic characteristics were evaluated 100 days after sowing: shoot height, root length, root dry matter, total dry matter, harvest index, commercial yield and total yield root. The most suitable cultivars in Diamantina were Planalto, Tornado and Kuronan, and the cultivatar Planalto was the best suited to Couto de Magalhães de Minas. The agronomic performance of the cultivars was higher in Couto de Magalhães de Minas for the majority of the study variables, resulting in a higher total yield and commercial root yield. The climatic and soil conditions of Diamantina induced flowering in most cultivars, causing a loss to the commercial yield in autumn-winter cultivation.</p>

scholarly journals Performance of carrot genotypes at two Jequitinhonha Valley sites

2015 ◽  
Vol 36 (6Supl2) ◽  
pp. 4059
Author(s):  
Gustavo Antônio Mendes Pereira ◽  
Maxwel Coura Oliveira ◽  
Altino Júnior Mendes Oliveira ◽  
José Sebastião Cunha Fernandes ◽  
Valter Carvalho de Andrade Júnior ◽  
...  
Keyword(s):  
Dry Matter ◽  
Block Design ◽  
Total Yield ◽  
Soil Conditions ◽  
Root Yield ◽  
Shoot Height ◽  
Climate Conditions ◽  
Randomized Complete Block Design ◽  
Commercial Yield ◽  
The Town

The successful commercial use of carrot depends on the choice of cultivars that are well-adapted to soil and climate conditions at the cultivation site and on good consumer acceptance. The objective of this study was to evaluate the performance of carrot cultivars grown in autumn-winter in two towns with different climatic characteristics, in the High Jequitinhonha Valley, MG, Brazil. The experiments were conducted on the Rio Manso farm, in the town of Couto de Magalhães de Minas and on Campus JK at UFVJM, in the town of Diamantina, Minas Gerais, Brazil. Six carrot cultivars (Brasília, Nantes, Kuronan, Esplanada, Planalto and Tornado) were evaluated using a randomized complete block design with three replicates. The following morpho-agronomic characteristics were evaluated 100 days after sowing: shoot height, root length, root dry matter, total dry matter, harvest index, commercial yield and total yield root. The most suitable cultivars in Diamantina were Planalto, Tornado and Kuronan, and the cultivatar Planalto was the best suited to Couto de Magalhães de Minas. The agronomic performance of the cultivars was higher in Couto de Magalhães de Minas for the majority of the study variables, resulting in a higher total yield and commercial root yield. The climatic and soil conditions of Diamantina induced flowering in most cultivars, causing a loss to the commercial yield in autumn-winter cultivation.

scholarly journals Rendimiento de cultivares de papa (Solanum tuberosum L.) amarillos precoces del grupo Phureja

2018 ◽  
Vol 29 (3) ◽  
pp. 639
Author(s):  
Juan F. Seminario-Cunya ◽  
Roiser Villanueva-Guevara ◽  
Misael H. Valdez-Yopla
Keyword(s):  
Solanum Tuberosum ◽  
Plant Height ◽  
Harvest Index ◽  
Dry Matter ◽  
Solanum Tuberosum L ◽  
Block Design ◽  
Randomized Block Design ◽  
Average Annual Temperature ◽  
Number Of Stems ◽  
Commercial Yield

The group Phureja (Solanum tuberosum L.) has been little studied in Peru, despite its culinary, nutritional and industrial quality and the risk of erosion to which it is subjected in recent decades. The objective of this research was to evaluate the total and commercial yield of tubers of fifteen potato cultivars (Solanum tuberosum, Phureja group). Traditional, yellow, and early cultivars were evaluated from Cajamarca region, Peru, to identify the most productive cultivars within the study group. The work was carried out on a plot of the Silvoagricultural Service of the Universidad Nacional de Cajamarca: 7 ° 10`LS and 78 ° 30’ LW, 2670 masl, 14.7 °C average annual temperature, 64.5% relative humidity and 651 mm of annual precipitation. Seeding was carried out at 0.90 m and 0.40 m between rows and between plants, respectively; in completely randomized block design, with three repetitions. Plant height, number of stems, number and total weight of tubers, number and weight of tubers according to categories, specific gravity, dry matter of tubers and foliage, and harvest index were evaluated. Significant statistical differences were found between cultivars for a total number of tubers, number of commercial tubers, a weight of commercial tubers, plant height, number of stems, dry matter of the tubers and harvest index. The best cultivars in tuber yield were Blanca amarilla (27.8 t/ha), Limeña huachuma (27.4 t/ha), Llanqueja (25.0 t/ha), Amarilla redonda (23.3 t/ha) and Piña amarilla (21.8 t/ha).

scholarly journals Response of potato (Solanum tuberosum L.) to nitrogen and phosphorus fertilizers at Sekota and Lasta districts of Eastern Amhara, Ethiopia

2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Workat Sebnie ◽  
Tilahun Esubalew ◽  
Merse Mengesha
Keyword(s):  
Plant Height ◽  
Crop Yields ◽  
Solanum Tuberosum L ◽  
Block Design ◽  
Total Yield ◽  
Yield Component ◽  
Command Area ◽  
Nitrogen And Phosphorus ◽  
Phosphorus Fertilizers ◽  
Command Areas

Abstract Background Production and productivity of potato in Ethiopia is far below the world average because of soil fertility problem, pest, disease, and agronomic factors. Nutrient depletion because of soil erosion is a serious problem in Ethiopian highlands. Annually, 122 kg ha−1 nitrogen, 13 kg ha−1 phosphorous and 82 kg ha−1 potasium were estimated to deplete from Ethiopia (Haileslassie et al. 2005). From the essential nutrients especially, nitrogen and phosphorus are the most important influential elements for production of potato but they are deficient in most Ethiopian soils and thus an application of these nutrients could increase significantly the crop yields. Therefore, the experiment was conducted at Sekota and Lasta Lalibela districts (Woleh and Kechin Abeba irrigation command areas) of eastern Amhara, Ethiopia to investigate the effects of nitrogen and phosphorus fertilizers for yield and yield component of potato under irrigation condition. Methods Four rates of nitrogen (0, 46, 92, and 138 kg N kg ha−1) and phosphorus (0, 23, 46, and 69 Kg P2O5 kg ha−1) were combined with factorial arrangement and laid out in randomized complete block design with three replications. Results The result of the study revealed that nitrogen and phosphorus had a significant effect on plant height, marketable, and total yield of potato at Kechin Abeba. But phosphorus did not show a significant effect on plant height and unmarketable yield at Sekota district of Woleh irrigation command area. The highest yield 45.55 t ha−1 was obtained from combined application of 138 N and 23 P2O5 in Lalibela 17.12 and 16.99 t ha−1 were found from application of 138 N with 46 P2O5 kg ha−1 and 138 N with 23 P2O5 kg ha−1 from Sekota district of Woleh irrigation command area respectively. Conclusions The application of 138 kg ha−1 N with 23 kg ha−1 P2O5 is the appropriate rates for optimum productivity of potato at Lalibela (Kechin Abeba) and Sekota (Woleh) irrigation command areas and the same agro-ecology.

scholarly journals Varietal effects on Productivity of Potato (Solanum tuberosum L.) in Kuru, Northern Guinea Savanna, Nigeria

2021 ◽  
pp. 20-25
Author(s):  
S. T. Dayok ◽  
A. T. Gani ◽  
A. Ali
Keyword(s):  
Solanum Tuberosum ◽  
Growth Parameters ◽  
Solanum Tuberosum L ◽  
Block Design ◽  
Total Yield ◽  
Plant Weight ◽  
Local Variety ◽  
Seed Tubers ◽  
Plateau State ◽  
Number Of Stems

A study on varietal effects on the productivity of potato (Solanum tuberosum L.) was conducted during the 2017 and 2018 cropping seasons at the Research Farm of the National Root Crops Research Institute (NRCRI) Kuru, Jos in Plateau State, Nigeria. The study was aimed at assessing the effect of variety on productivity of potato. The treatments consisted of two varieties of potato (improved variety: Daimat, local variety). The experiment consisted of 4 that were laid out in a 2×2 split plot arrangement in a randomized complete block design (RCBD) and replicated three times. Crop data collected were percent germination, plant height, leaf area, number of leaves, number of branches, number of stems, stem girth, number of tubers per plant, number of seed tubers per plant, number of ware tubers per plant, weight of seed tubers per plant, weight of ware tubers per plant and total yield of potato (tons/ha). Although there was no significant effect of variety on the growth parameters of potato but the improved variety performed better than the local variety.  The improved variety is here by recommended for adoption in the study area. 

scholarly journals Future Thermal Assessment for the Phenological Development of Potato [Solanum tuberosum (L.)] in Cuba

2020 ◽  
Vol 4 (1) ◽  
pp. 6
Author(s):  
Alexis Augusto Hernández-Mansilla ◽  
Francisco Estrada-Porrúa ◽  
Oscar Calderón-Bustamante ◽  
Graciela Lucía Binimelis de Raga
Keyword(s):  
Solanum Tuberosum ◽  
Climate Model ◽  
Solanum Tuberosum L ◽  
Regional Climate ◽  
Thermal Conditions ◽  
Climate Change Scenarios ◽  
Thermal Index ◽  
Climate Conditions ◽  
Time Space ◽  
Biological Development

Current changes in climate conditions due to global warming affect the phenological behavior of economically important cultivable plant species, with consequences for the food security of many countries, particularly in small vulnerable islands. Thus, the objective of this study was to evaluate the thermal viability of Solanum tuberosum (L.) through the behavior of the Thermal Index of Biological Development (ITDB) of two cultivation areas in Cuba under different climate change scenarios. For the analysis, we elaborated bioclimatic scenarios by calculating the ITDB through a grounded and parameterized stochastic function based on the thermal values established for the phenological development of the species. We used the mean temperature values from the period 1980 to 2010 (historical reference period) of the Meteorological Stations: 78320 “Güira de Melena” and 78346 “Venezuela”, located at the western and central of Cuba respectively. We also used modeled data from RCP 2.6 scenarios; 4.5 and 8.5 from the PRECIS-CARIBE Regional Climate Model, which used global outputs from the ECHAM5 MCG for the period 2010 to 2100. As result, the scenarios showed that the annual average ITDB ranges from 0.7 to 0.8, which indicates that until 2010 there were temporary spaces with favorable thermal conditions for the species, but not for the period from 2010 to 2100 in RCP 4.5 and 8.5. In these scenarios, there was a progressive decrease in the indicator that warned of a marked loss of Viability of S. tuberosum, reduction of the time-space to cultivate this species (particularly the month of April is the most inappropriate for the ripening of the tuber). These results showed that Cuba requires the establishment of an adaptation program with adjustments in the sowing and production calendar, the use of short-cycle varieties of less than 120 days, the management of genotypes adaptable to high temperatures, and the application of “Agriculture Climate Smart”, to reduce risks in food safety.

scholarly journals Teknik Inokulasi Buatan Clavibacter michiganensis subsp. sepedonicus, Penyebab Penyakit Busuk Cincin Bakteri, pada Tanaman Kentang (Solanum tuberosum L.)

Agrikultura ◽  
2016 ◽  
Vol 27 (2) ◽  
Author(s):  
Luciana Djaya ◽  
Ineu Sulastrini ◽  
Iin Rusita
Keyword(s):  
Solanum Tuberosum ◽  
Solanum Tuberosum L ◽  
Block Design ◽  
Clavibacter Michiganensis ◽  
Bacterial Ring Rot ◽  
Seed Tubers ◽  
Clavibacter Michiganensis Subsp ◽  
Ring Rot ◽  
Inoculation Techniques ◽  
Rot Disease

ABSTRACT Inoculation Techniques of Clavibacter michiganensis subsp. sepedonicus, the Cause of Bacterial Ring Rot Disease, on Potato (Solanum tuberosum L.). Clavibacter michiganensis subsp. sepedonicus, the cause of bacterial ring rot disease on potatoes, has been detected in potato fields in Pangalengan. To anticipate the spread of the pathogen, researches on the desease epidemiology are urgent to be carried out. Artificial inoculation techniques will be useful in the epidemiological studies. The objective of this reasearch was to evaluate some inoculation techniques, which are simple, cheap and fast in causing disease symptoms. The experiment was carried out at the laboratory and glasshouse of Balai Penelitian Tanaman Sayuran (Balitsa), Lembang. The experiment was arranged in the randomized block design with five treatments of inoculation technique and five replications. The treatments were (a) soaking wounded seed tubers in pathogen suspension, (b) soaking not wounded seed tubers in pathogen suspension, (c) pathogen suspension was injected into leaf axil, (d) pathogen suspension was injected into seed tubers, and (e) pathogen suspension was poured into the planting holes. The results showed that stabbing and soaking tubers in pathogen suspension caused the shortest incubation period (17 days after inoculation) and the highest disease incidence (60%). Keywords : Clavibacter michiganensis subsp. sepedonicus, Bacterial ring rot, Potatoes, Inoculation techniquesABSTRAKClavibacter michiganensis subsp. sepedonicus (Cms), penyebab penyakit busuk cincin bakteri pada tanaman kentang, telah terdeteksi keberadaannya pada pertanaman kentang di Pangalengan. Dalam upaya mencegah penyebaran penyakit busuk cincin bakteri di Indonesia, perlu adanya studi epidemiologi patogen tersebut. Pada penelitian epidemiologi akan diperlukan cara menginokulasi tanaman secara buatan. Tujuan dari penelitian ini adalah untuk mendapatkan teknik inokulasi buatan yang dapat menyebabkan periode inkubasi yang lebih singkat dan persentase kejadian penyakit busuk cincin bakteri paling tinggi pada tanaman kentang. Percobaan dilaksanakan di rumah kaca dan laboratorium penyakit Balai Penelitian Tanaman Sayuran (Balitsa), Lembang. Percobaan dirancang secara rancangan acak kelompok dengan lima perlakuan teknik inokulasi Cms dan lima ulangan, yaitu inokulasi dengan (a) merendam ubi benih yang telah dilukai dalam suspensi bakteri, (b) merendam ubi benih tanpa dilukai dalam suspensi bakteri, (c) suspensi bakteri ditusukkan pada ketiak daun tanaman kentang, (d) suspensi bakteri ditusukkan pada ubi benih, dan (e) suspensi bakteri disiramkan pada lubang tanam. Masing-masing ulangan terdiri dari lima tanaman. Hasil penelitian menunjukkan bahwa dari lima teknik inokulasi buatan yang dilakukan, inokulasi dengan melukai ubi benih dan merendamnya dalam suspensi patogen menghasilkanJurnal Agrikultura 2016, 27 (2): 66-71ISSN 0853-2885Teknik Inokulasi Buatan Clavibacter….67periode inkubasi tersingkat, yaitu 17 hari setelah inokulasi, dan persentase kejadian penyakit tertinggi yaitu sebesar 60%.Kata Kunci : Clavibacter michiganensis subsp. sepedonicus, Busuk cincin bakteri, Kentang, Inokulasi buatan

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