Preliminary studies on Yield and some yield attributes of potato grown under high and low ambient temperatures

Amadi, CO; Obong, E. E. Ene; Okonkwo, JC; Lenka, D.

doi:10.4314/naj.v39i1.3269

Cited by 2 publications

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“…These parameters demand close attention in breeding for improved storage root yield. Similar studies by Amadi et al (2008) on potato genotypes showed that tuber number and average tuber weight are major individual contributors to crop yield. Table 6 shows that analysing the plant characters using the method of partial correlation coefficients further highlighted the importance of average storage root weight and number of storage roots per plant with correlation *, Significant at 5 % level of probability; **, significant at 1 % level of probability; ns, non-significant.…”

Section: Resultsmentioning

confidence: 63%

Assessment of growth and yield of some high-and low-cyanide cassava genotypes in acid ultisols of south eastern Nigeria

Okpara¹,

Mbah²,

Chukwu³

2014

Afr. J. Biotechnol.

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Thirty-eight high and low cyanide cassava genotypes were evaluated for growth and yield. The experiment was fitted in a randomized complete block design with three replications. Analysis of variance (ANOVA) revealed significant difference (P<0.05) in growth and yield parameters, indicating strong genetic variations among the genotypes. Significant (P<0.05) highest average storage root weight of 1.5 and 1.8 kg were obtained from TMS 94/0035 (high cyanide cassava genotype) and TMS 98/0505 (low cyanide cassava genotype), respectively. Correlation analyses indicated significant (P<0.05) and positive associations between number of storage roots per plant, average storage root weight and root yield in the two types of cassava genotypes tested, indicating that the parameters are good indices that can be improved upon during breeding and selection to enhance root yield. Four high cyanide cassava genotypes (TMS 99/2123, TMS 96/1642, TMS 98/0068 and TMS 94/3200﴿ were outstanding in fresh root yield performance. To improve fresh root yield in cassava, the interrelationships among the various agronomic character of the cassava genotypes demands appropriate attention. The study gives more information on the improvement of fresh storage root yield of cassava.

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Section: Resultsmentioning

confidence: 63%

Assessment of growth and yield of some high-and low-cyanide cassava genotypes in acid ultisols of south eastern Nigeria

Okpara¹,

Mbah²,

Chukwu³

2014

Afr. J. Biotechnol.

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“…The residual effect determines how much best the causal factors or in dependent variables account for the variability of the dependent variable [11]. In potato previous reports by Amadi and ne-Obong [13] indicated that simple correlation coefficients were useful to study the interrelationships between tuber yield and other characters. In addition, the literature on path and correlation analysis and its application as a potato breeding tool is limited in comparison to its significance for processing purpose and the knowledge it adds for upcoming breeding work.…”

Section: Introductionmentioning

confidence: 99%

Correlation and Path Analysis for Agronomic and Processing Quality Traits of Potato (<i>Solanum tuberosum</i> L.) at Holetta, Central Ethiopia

Seid,

Abebe

2024

ABB

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Potato is the third most important food crop in terms of consumption in the world after rice and wheat. It is a nutrient-rich vegetable with just a small amount of fat and contains 16% carbohydrates, 2% proteins, 1% minerals, and 0.6% dietary fiber. The literature on path and correlation analysis and its application as a potato breeding tool is limited in comparison to its significance for processing purpose and the knowledge it adds for upcoming breeding work. The objective of this study was to determine the relation among tuber yield and processing quality traits of potato using correlation and path coefficient analysis. This experiment was conducted at Holetta Agricultural research Centre, Ethiopia during the main crop season of 2017. The experiment was laid out in randomized complete block design (RCBD) with three replications using 24 potato genotypes. Strong positive and significant correlation were found between total tuber yield and marketable tuber yield (r=0.98) at both genotypic and phenotypic levels. Stronger positive correlations were found between dry matter content and starch content (r= 1) and specific gravity (r=1). Path coefficient analysis of tuber yield and its components shows that dry matter content and marketable tuber yield exerted positive highest direct influence on total tuber yield. Specific gravity of tuber had high positive direct effect on dry matter content. So, to increase the performance of these traits for tuber yield and processing quality traits path analysis can be used. As a conclusion, most of the traits had positive correlations and direct effects with total tuber yield and dry matter content at phenotypic and genotypic levels. Therefore, those traits had practical importance in selection of potato genotypes for high total tuber yield and processing purpose.

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Preliminary studies on Yield and some yield attributes of potato grown under high and low ambient temperatures

Cited by 2 publications

References 0 publications

Assessment of growth and yield of some high-and low-cyanide cassava genotypes in acid ultisols of south eastern Nigeria

Assessment of growth and yield of some high-and low-cyanide cassava genotypes in acid ultisols of south eastern Nigeria

Correlation and Path Analysis for Agronomic and Processing Quality Traits of Potato (<i>Solanum tuberosum</i> L.) at Holetta, Central Ethiopia

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Preliminary studies on Yield and some yield attributes of potato grown under high and low ambient temperatures

Cited by 2 publications

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Assessment of growth and yield of some high-and low-cyanide cassava genotypes in acid ultisols of south eastern Nigeria

Assessment of growth and yield of some high-and low-cyanide cassava genotypes in acid ultisols of south eastern Nigeria

Correlation and Path Analysis for Agronomic and Processing Quality Traits of Potato (&lt;i&gt;Solanum tuberosum&lt;/i&gt; L.) at Holetta, Central Ethiopia

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Correlation and Path Analysis for Agronomic and Processing Quality Traits of Potato (<i>Solanum tuberosum</i> L.) at Holetta, Central Ethiopia