Correlation and path coefficient analysis between yield and yield components in potato (Solanum tuberosum L.)

Lamboro, Abraham; Petros, Yohannes; Andargie, Mebeaselassie

doi:10.14719/pst.2014.1.4.79

Cited by 13 publications

(8 citation statements)

References 12 publications

(8 reference statements)

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“…Hossain et al (2000) reported positive direct genotypic effects of tuber yield per plant, average tuber weight and harvest index on total tuber yield. This is in line with Abraham et al (2014) who too indicated stem number per plant, plant height and average tuber weight had positive direct effect on tuber yield. Hence, these traits will be given due consideration during selection.…”

Section: Path Coefficient Analysissupporting

confidence: 85%

Correlation coefficients, path analysis and disease reaction between yield and yield components in Potato (Solanum tuberosum L.) genotypes in Bale, South Eastern Ethiopia

Asefa

Mohammed

2016

Plant Sci. Today

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Study on the relationships between yield and its components will improve the efficiency of breeding programmes by determining appropriate selection criteria. An investigation was carried out on 24 potato genotypes to find out the association among yield, yield components and their direct and indirect effects on tuber yield of potato. The experiment was laid out in randomized complete block design with three replications at Sinana Agricultural Research Center. The association was analyzed by correlation coefficient, and further subjected to path analysis to estimate direct and indirect effects of each character on tuber yield. Positive and significant genotypic and phenotypic correlation were found between total tuber yield and marketable tuber yield (rg=0.99), leaf area index (rg=0.82), plant height(rg=0.56), stem number per plant(rg=0.56), average tuber weight (rg=0.74) and biomass yield (rg=0.69). Path analysis of tuber yield and its components shows that marketable tuber yield and average tuber weight had maximum positive direct genotypic and phenotypic effect on total tuber yield indicating their importance in selection for tuber yield improvement.

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Section: Path Coefficient Analysissupporting

confidence: 85%

Correlation coefficients, path analysis and disease reaction between yield and yield components in Potato (Solanum tuberosum L.) genotypes in Bale, South Eastern Ethiopia

Asefa

Mohammed

2016

Plant Sci. Today

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“…The Tytanit ® application caused an increase in the tuber weight per plant, which was confimed in a study carried out in southeast Lithuania on Haplic Luvisol [Asakaviciute and Lisova 2009]. A positive correlation was found between the tuber yield and the tuber weight per plant [Abraham et al 2014, Darabad 2014. The tuber weight per plant in the greater extent depended on the date of Tytanit ® application than on the Tytanit ® dose.…”

Section: Discussionmentioning

confidence: 74%

“…in the leaf development stage and with repeated treatment in the tuber formation stage), the plants were shorter and the weight of their stems was lower. A positive correlation was found between the tuber yield and the plant height, stems per plant and main stem diameter [Arslan 2007, Abraham et al 2014, Darabad 2014.…”

Section: Discussionmentioning

confidence: 92%

Effect of Titanium on Growth of Very Early-Maturing Potato Cultivars

Wadas¹,

Kalinowski²

2017

Acta Sci. Pol. Hortorum Cultus

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A condition for achieving a high potato tuber yield on an early harvest is to provide plants with good growth conditions. In modern horticulture, plant growth stimulants have been gaining increasing importance. This study examined the effect of dose (0.2 dm 3 ha-1 or 0.4 dm 3 ha-1) and date (leaf development stage-BBCH 14-16, tuber formation stage-BBCH 41-43, leaf development stage and tuber formation stage) of Tytanit ® application (8.5 g Ti in 1 dm 3) on the growth of very early-maturing potato cultivars ('Lord', 'Miłek'). Following the Tytanit ® application, the plants were higher and produced a greater aboveground biomass and tuber weight, however, the leaf weight ratio (LWR) and leaf area ratio (LAR) were lower than in the cultivation without the growth stimulant. Tytanit ® had a greater effect on the leaf weight ratio (LAR) and tuber weight for the 'Lord' cultivar. Tytanit ® dose had no effect on the plant growth. A double Tytanit ® application resulted in a reduction in the length and weight of stems and tuber weight. The date of Tytanit ® application had no effect on the weight of leaves. The leaf area ratio (LAR) was the highest when Tytanit ® was only applied in the tuber formation stage, and the leaf weight ratio (LWR) was the highest when Tytanit ® was applied twice. A positive correlation was found between the tuber weight and the LWR and LAR.

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“…In a study carried out in southeast Lithuania on Haplic Luvisol, the tuber weight per plant was greatest with two Tytanit ® applications (at the beginning of crop cover BBCH 31 and at the beginning of flowering BBCH 60-62) in the dose of 0.2 dm 3 * ha -1 and liquid complex microelements fertilizers of differing composition (Asakavičiūtė and Lisova, 2009). A positive correlation was found between the tuber yield and the tuber number and tuber weight per plant (Abraham et al, 2014;Darabad, 2014). The potential number of tubers may be determined by the number of stolons and the environmental conditions affecting stolon formation and development (Wurr et al, 1997).…”

Section: Discussionmentioning

confidence: 99%

Effect of Tytanit� on the yield and yield components of very early-maturing potato cultivars

Kalinowski

Wadas

2017

JCEA

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The growing period for early potatoes is extremely short, only 50-80 days from planting to harvest. To obtain a high marketable tuber yield in such a short period good conditions for plant growth must be ensured. In modern agriculture, plant growth stimulants have been gaining increasing importance. Although titanium (Ti) is neither a major nor minor nutrient for plants, it is classified as a beneficial element for plant growth. This paper analyses the effect of dose (0.2 dm ) on the yield and yield components of very early-maturing potato cultivars ('Lord' and 'Miłek'). Potatoes were harvested 75 days after planting (the end of June). Tytanit ® caused an increase in the tuber number and tuber weight per plant, particularly under stress conditions, although the effect of cultivars was not consistent. The growth stimulant did not have any effect on the average tuber weight. Following the application of Tytanit ® , the total tuber yield was higher, on average, by 2.26 t*ha -1 (7.5%), and the marketable tuber yield (diameter above 30 mm) by 1.88 t*ha -1 (6.4%). The tuber number per plant was higher when Tytanit ® was applied at the dose of 0.2 dm 3 *ha -1 . Potato plants produced greatest tubers when Tytanit ® was only applied in the leaf development stage (BBCH 1416). With double Tytanit ® applications, i.e. in the leaf development stage and with repeated treatment in the tuber formation stage, both the tuber number and tuber weight per plant were lower. The Tytanit ® application contributed to improved marketable value of the early potato yield due to a decreased share of small tubers (diameter below 40 mm) and an increased share of large tubers (diameter above 51 mm) especially in a year with a periodical water shortage in the tuber growth period. The examined very earlymaturing potato cultivars showed a differential response to Tytanit ® . The growth stimulant had a greater effect on the tuber number and tuber weight per plant for the 'Lord' cultivar. Following the Tytanit ® application, the total tuber yield of 'Lord' cultivar was higher , on average by 3.71 t*ha -1 (12.7%) and marketable tuber yield by 3.22 t*ha -1 (11.4%). Tytanit ® caused an increase in tuber yield of 'Miłek' cultivar only in year with the highest air temperature and water shortage in June -the total tuber 441

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Correlation and path coefficient analysis between yield and yield components in potato (Solanum tuberosum L.)

Cited by 13 publications

References 12 publications

Correlation coefficients, path analysis and disease reaction between yield and yield components in Potato (Solanum tuberosum L.) genotypes in Bale, South Eastern Ethiopia

Correlation coefficients, path analysis and disease reaction between yield and yield components in Potato (Solanum tuberosum L.) genotypes in Bale, South Eastern Ethiopia

Effect of Titanium on Growth of Very Early-Maturing Potato Cultivars

Effect of Tytanit� on the yield and yield components of very early-maturing potato cultivars

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