24 result(s) search for keyword(s) 'tuber'    

Effect of Potassium on Potato Tuber Production in Acid Soils of Malepatan, Pokhara / Adhikary, Bishnu H. in Nepal Agriculture Research Journal, Vol. 7 (2006)  

Public ISBD [article]  inNepal Agriculture Research Journal > Vol. 7 (2006) . - 42-48 p Title : Effect of Potassium on Potato Tuber Production in Acid Soils of Malepatan, Pokhara Material Type: printed text Authors: Adhikary, Bishnu H., Author ; Krishna B. Karki, Author Publication Date: 2006 Article on page: 42-48 p Languages : English (eng) Keywords: Basal  application,  potassium  levels,  Solanum  tuberosum,  tuber  production  and  topdressing Abstract: Soils of Pokhara valley, especially Malepatan, are fine textured silt loam, extremely acidic in nature (3.7-4.0 pH) and are medium in soil potassium content. On-station experiments were conducted to assess the response of potassium (K2O) and its application methods on potato tuber yield in an extremely acid soil condition. Six potassium levels (0, 50, 75, 100 kg ha-1 as basal application, 50 kg basal plus 50 kg top dressed, and 50 kg basal plus 50 kg foliar application) were tested in the experiment for three consecutive years (2000, 2001 and 2002). A randomized complete block design (RCBD) with 3 replications was employed. Variety used was MS 42. Nitrogen (N), phosphorus (P2O5) and compost were applied as basal dose in each plots at the rate of 100 kg, 50 kg and 20 t ha-1, respectively. Three years mean result on the plant growth characters revealed that tallest plant height was recorded (33.22 cm) when 50 kg ha-1 potassium was applied basally and 50 kg ha-1 top-dressed. The trend was quite similar in tillers production (6.96 branches plant-1) and biomass production (168.66 g plant-1). Maximum of 473.33-g plant-1 of tubers was produced when 100 kg of potassium was applied basal single dose. Highest tuber yield of 24.75 t ha-1 of tuber were produced when 50 kg potassium was applied basally and 50 kg top- dressed, a total of 100 kg ha-1. Highly significant response of potassium levels on tuber production was observed in all the years. The results of this investigation suggested that application of potassium (K2O) at the rate of 50 kg ha-1 basal and 50 kg ha-1 top-dressed in 45 days could increase potato tuber yield satisfactorily in extremely acid soil condition. Link for e-copy: http://elibrary.narc.gov.np/?r=45 [article] Effect of Potassium on Potato Tuber Production in Acid Soils of Malepatan, Pokhara [printed text] / Adhikary, Bishnu H., Author ; Krishna B. Karki, Author . - 2006 . - 42-48 p. Languages : English (eng) in Nepal Agriculture Research Journal > Vol. 7 (2006) . - 42-48 p Keywords: Basal  application,  potassium  levels,  Solanum  tuberosum,  tuber  production  and  topdressing Abstract: Soils of Pokhara valley, especially Malepatan, are fine textured silt loam, extremely acidic in nature (3.7-4.0 pH) and are medium in soil potassium content. On-station experiments were conducted to assess the response of potassium (K2O) and its application methods on potato tuber yield in an extremely acid soil condition. Six potassium levels (0, 50, 75, 100 kg ha-1 as basal application, 50 kg basal plus 50 kg top dressed, and 50 kg basal plus 50 kg foliar application) were tested in the experiment for three consecutive years (2000, 2001 and 2002). A randomized complete block design (RCBD) with 3 replications was employed. Variety used was MS 42. Nitrogen (N), phosphorus (P2O5) and compost were applied as basal dose in each plots at the rate of 100 kg, 50 kg and 20 t ha-1, respectively. Three years mean result on the plant growth characters revealed that tallest plant height was recorded (33.22 cm) when 50 kg ha-1 potassium was applied basally and 50 kg ha-1 top-dressed. The trend was quite similar in tillers production (6.96 branches plant-1) and biomass production (168.66 g plant-1). Maximum of 473.33-g plant-1 of tubers was produced when 100 kg of potassium was applied basal single dose. Highest tuber yield of 24.75 t ha-1 of tuber were produced when 50 kg potassium was applied basally and 50 kg top- dressed, a total of 100 kg ha-1. Highly significant response of potassium levels on tuber production was observed in all the years. The results of this investigation suggested that application of potassium (K2O) at the rate of 50 kg ha-1 basal and 50 kg ha-1 top-dressed in 45 days could increase potato tuber yield satisfactorily in extremely acid soil condition. Link for e-copy: http://elibrary.narc.gov.np/?r=45

Evaluation of True Potato Seed Families for Seedling Tuber Production in Nepal / Adhikari, R.C. ; G. P. Rai ; K.C.Upreti ; L. P. Gautam, ; Chaudhary, D.K. ; T. R. Chapagain ; K. B. Bhandari    

Public ISBD in Fourth national workshop on horticulture , March 2-4, 2004 ; Abstracts     Title : Evaluation of True Potato Seed Families for Seedling Tuber Production in Nepal Material Type: printed text Authors: Adhikari, R.C., Author ; G. P. Rai, Author ; K.C.Upreti, Author ; L. P. Gautam,, Author ; Chaudhary, D.K., Author ; T. R. Chapagain, Author ; K. B. Bhandari, Author Pagination: 158-166 p. Languages : English (eng) Keywords: family,  seedling  tuber,  true  potato  seed,  tuber  yield. Abstract: Seven hybrid true potato seed (TPS) families received from the International Potato Center, Lima, Peru were evaluated and compared with HPS 11167 and HPS 7167 during 2001 to 2003 to see the performance of hybrid TPS families for seedling tuber p_roduction in di.fferellt agroecological zones of Nepal. The families were tested in randomized complete block design (RCBD) with four replications. Tuber yield produced by MF II x IPS 67 (5.12 kg/m2 ) and Atzimba x TPS 67 (3.15 kg!nl) at Khumaltar and Lumle, respectively were respectively higher than other tested families. In Pakhribas, Surkhet and Taralu:;ra maximum tuber weights were obtainedfromMF II x TPS 67 (3.94 kg/m2 ), Serranax TPS 13 (2.24 kg!nl) and HPS 11167 (6.20 kglm2 ). Atzimba x TPS 67 produced significalltly maximum tuber number at Khumaltar (496.47/nh Lumle (400.85/m2 ) and Pakftribas conditions (349.01/m2 ), whereas in Surkhet and Tarahara, maximum tuber number were recorded in Serrana x TPS 13 (352.05/m2 ) and HPS 11167 (723.67/m2 ), "respectively. The average tuber weight among the families were statistically significant, Maximum average tuber weights were recorded in LT 8 x TPS 13 in all the locations. None of the families were resistant/tolerance to late blight (Phytophhora infestans) disease at Lumle. Based on overall performance, TPS families MF II x TPS 67, Atzimba x TPS 67, MF II TPS 67 and HPS 7167, Serrano x TPS 13, MF II x TPS 67 and HPS 11167 were found promising for seedling tuber production in Lumle, Pakhribas, Surkhet and Tarahara conditions, respectively. Link for e-copy: http://elibrary.narc.gov.np/?r=484 in Fourth national workshop on horticulture , March 2-4, 2004 ; Abstracts     Evaluation of True Potato Seed Families for Seedling Tuber Production in Nepal [printed text] / Adhikari, R.C., Author ; G. P. Rai, Author ; K.C.Upreti, Author ; L. P. Gautam,, Author ; Chaudhary, D.K., Author ; T. R. Chapagain, Author ; K. B. Bhandari, Author . - [s.d.] . - 158-166 p. Languages : English (eng) Keywords: family,  seedling  tuber,  true  potato  seed,  tuber  yield. Abstract: Seven hybrid true potato seed (TPS) families received from the International Potato Center, Lima, Peru were evaluated and compared with HPS 11167 and HPS 7167 during 2001 to 2003 to see the performance of hybrid TPS families for seedling tuber p_roduction in di.fferellt agroecological zones of Nepal. The families were tested in randomized complete block design (RCBD) with four replications. Tuber yield produced by MF II x IPS 67 (5.12 kg/m2 ) and Atzimba x TPS 67 (3.15 kg!nl) at Khumaltar and Lumle, respectively were respectively higher than other tested families. In Pakhribas, Surkhet and Taralu:;ra maximum tuber weights were obtainedfromMF II x TPS 67 (3.94 kg/m2 ), Serranax TPS 13 (2.24 kg!nl) and HPS 11167 (6.20 kglm2 ). Atzimba x TPS 67 produced significalltly maximum tuber number at Khumaltar (496.47/nh Lumle (400.85/m2 ) and Pakftribas conditions (349.01/m2 ), whereas in Surkhet and Tarahara, maximum tuber number were recorded in Serrana x TPS 13 (352.05/m2 ) and HPS 11167 (723.67/m2 ), "respectively. The average tuber weight among the families were statistically significant, Maximum average tuber weights were recorded in LT 8 x TPS 13 in all the locations. None of the families were resistant/tolerance to late blight (Phytophhora infestans) disease at Lumle. Based on overall performance, TPS families MF II x TPS 67, Atzimba x TPS 67, MF II TPS 67 and HPS 7167, Serrano x TPS 13, MF II x TPS 67 and HPS 11167 were found promising for seedling tuber production in Lumle, Pakhribas, Surkhet and Tarahara conditions, respectively. Link for e-copy: http://elibrary.narc.gov.np/?r=484

E-copies

http://nkcs.org.np/narc/dl/?r=484 URL

Directory of germplasm collections. 2 root and tuber crops / Lawrence, T

Public ISBD Title : Directory of germplasm collections. 2 root and tuber crops Material Type: printed text Authors: Lawrence, T ; , Publisher: Rome : IBPGR Publication Date: 1986 Pagination: 177 Keywords: Root  and  tuber  crops;  Germplasm;  Crops Directory of germplasm collections. 2 root and tuber crops [printed text] / Lawrence, T ; , . - Rome : IBPGR, 1986 . - 177. Keywords: Root  and  tuber  crops;  Germplasm;  Crops

Copies (1)

Barcode	Call number	Media type	Location	Section	Status
NR-2039	NR-2039,	Document	NARC Library	Documents	Available

Enhancing Potato Tuber Production Through the Use of Potassium in Acid Soils of Malepatan, Pokhara / Adhikary, Bishnu H. ; Madhu S. Ghale    

Public ISBD in Proceedings of the fifth National Seminar on Horticulture June 9-10, 2008 / Nepal Agricultural Research Council (NARC) (Khumaltar, Lalitpur, Nepal)     Title : Enhancing Potato Tuber Production Through the Use of Potassium in Acid Soils of Malepatan, Pokhara Material Type: printed text Authors: Adhikary, Bishnu H., Author ; Madhu S. Ghale, Author Pagination: 140-143 p. Languages : English (eng) Keywords: Basal  application,  potassium,  top-dressing  and  tuber  production Abstract: Field experiments were conducted in an acidic soil to assess the respons.e of potassium (K20) in potato and its applicatiOf! methods. Six potassium levels (0, 50, 75, 100 kg ha·1 basal application, 50 kg basal plus 50 kg top dressed, and 50 kg basal plus 50 kg sprayed) were tested to see the effects of potassium levels and methods of their applications during three consecutive years (2000, 2001 & 2002). A randomized complete block design (RCBD) with 3 replications was employed in the experiments. The variety used in the experiment was MS 42. Three years mean results in tuber production showed that a maximum of 473.33 g plant"' of tubers were produced when 100 kg of potassium was applied basally. Highest tuber yields at 24.75 t ha-1 were produced when 50 kg potassium was applied basally and 50 kg top- dressed, a total of 100 kg ha- 1• It can be recommended that a total of 100 K20 kg ha·' could be profitable. Despite very high potassium content there is a response to potassium fertilization. Link for e-copy: http://elibrary.narc.gov.np/?r=235 in Proceedings of the fifth National Seminar on Horticulture June 9-10, 2008 / Nepal Agricultural Research Council (NARC) (Khumaltar, Lalitpur, Nepal)     Enhancing Potato Tuber Production Through the Use of Potassium in Acid Soils of Malepatan, Pokhara [printed text] / Adhikary, Bishnu H., Author ; Madhu S. Ghale, Author . - [s.d.] . - 140-143 p. Languages : English (eng) Keywords: Basal  application,  potassium,  top-dressing  and  tuber  production Abstract: Field experiments were conducted in an acidic soil to assess the respons.e of potassium (K20) in potato and its applicatiOf! methods. Six potassium levels (0, 50, 75, 100 kg ha·1 basal application, 50 kg basal plus 50 kg top dressed, and 50 kg basal plus 50 kg sprayed) were tested to see the effects of potassium levels and methods of their applications during three consecutive years (2000, 2001 & 2002). A randomized complete block design (RCBD) with 3 replications was employed in the experiments. The variety used in the experiment was MS 42. Three years mean results in tuber production showed that a maximum of 473.33 g plant"' of tubers were produced when 100 kg of potassium was applied basally. Highest tuber yields at 24.75 t ha-1 were produced when 50 kg potassium was applied basally and 50 kg top- dressed, a total of 100 kg ha- 1• It can be recommended that a total of 100 K20 kg ha·' could be profitable. Despite very high potassium content there is a response to potassium fertilization. Link for e-copy: http://elibrary.narc.gov.np/?r=235

E-copies

http://nkcs.org.np/narc/dl/?r=235 URL

Response of Seedling Tuber Size and Level of Potash on Growth and Yield of Clonal Progeny of True Potato Seed under Chitwan Condition / K. Atreya in Nepalese Horticulture, v. 8/9 ([07/25/2012])

Public ISBD [article]  inNepalese Horticulture > v. 8/9 [07/25/2012] . - 69-78 p. Title : Response of Seedling Tuber Size and Level of Potash on Growth and Yield of Clonal Progeny of True Potato Seed under Chitwan Condition Material Type: printed text Authors: K. Atreya, Author ; A. Srivastava, Author ; Shakya, S.M., Author ; Shrestha, S.M, Author Publication Date: 2012 Article on page: 69-78 p. Languages : English (eng) Keywords: Seedling  tuber  size,  Level  of  potash,  Clonal  progeny  potato Abstract: A field investigation was carried out during winter season of 2007/08 in the upland of Horticulture Farm of Institute of the Agriculture and Animal Science, Rampur, Chitwan, Nepal to evaluate the effect of seedling tuber size and level of potash on ware potato production of a clonal progeny of hybrid TPS, HPS II/67. The experiment was laid out in a completely randomized block design having two factors with sixteen treatment combinations replicated thrice. The treatment comprised of four seedling tuber size (<5 g, 5-10 g, 10-15 g and >15 g) and four level of potash (30 kg K2O/ha, 60 kg K2O/ha, 90 kg K2O/ha and 120 kg K2O/ha). Different sizes of seedling tuber and level of potash significantly affected emergence, growth, yield and yield attributing characters. Growth parameters like plant height, number of stem per hill, stem diameter, number of leaves per plant were found to be influenced significantly due to variation in seedling tuber size and level of potash. Most of the growth parameters increased with an increase in seeding tuber size and level of potash. An increase in the level of potash increases the crop's resistance power against late blight and also helps in earlier tuber initiation. The highest tuber yield (1.36 kg) per plant was obtained in treatment combination of >15g seedling tuber size and 120kg K2O/ha. Increasing the size of seedling tuber and level of potash increases the yield of different classes of tuber. However, potash is responsible for increasing the tuber size. The maximum tuber yield was obtained when 10-15 g seedling tuber was used as a planting material and 120 kg K2O/ha applied. Similarly, the treatment in combination of 10-15 g seedling tuber size and 120 kg K2O/ha wasfound most effective that gave the highest potato yield (30.03 mt/ha). [article] Response of Seedling Tuber Size and Level of Potash on Growth and Yield of Clonal Progeny of True Potato Seed under Chitwan Condition [printed text] / K. Atreya, Author ; A. Srivastava, Author ; Shakya, S.M., Author ; Shrestha, S.M, Author . - 2012 . - 69-78 p. Languages : English (eng) in Nepalese Horticulture > v. 8/9 [07/25/2012] . - 69-78 p. Keywords: Seedling  tuber  size,  Level  of  potash,  Clonal  progeny  potato Abstract: A field investigation was carried out during winter season of 2007/08 in the upland of Horticulture Farm of Institute of the Agriculture and Animal Science, Rampur, Chitwan, Nepal to evaluate the effect of seedling tuber size and level of potash on ware potato production of a clonal progeny of hybrid TPS, HPS II/67. The experiment was laid out in a completely randomized block design having two factors with sixteen treatment combinations replicated thrice. The treatment comprised of four seedling tuber size (<5 g, 5-10 g, 10-15 g and >15 g) and four level of potash (30 kg K2O/ha, 60 kg K2O/ha, 90 kg K2O/ha and 120 kg K2O/ha). Different sizes of seedling tuber and level of potash significantly affected emergence, growth, yield and yield attributing characters. Growth parameters like plant height, number of stem per hill, stem diameter, number of leaves per plant were found to be influenced significantly due to variation in seedling tuber size and level of potash. Most of the growth parameters increased with an increase in seeding tuber size and level of potash. An increase in the level of potash increases the crop's resistance power against late blight and also helps in earlier tuber initiation. The highest tuber yield (1.36 kg) per plant was obtained in treatment combination of >15g seedling tuber size and 120kg K2O/ha. Increasing the size of seedling tuber and level of potash increases the yield of different classes of tuber. However, potash is responsible for increasing the tuber size. The maximum tuber yield was obtained when 10-15 g seedling tuber was used as a planting material and 120 kg K2O/ha applied. Similarly, the treatment in combination of 10-15 g seedling tuber size and 120 kg K2O/ha wasfound most effective that gave the highest potato yield (30.03 mt/ha).

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