Stability Differences among Fresh Market Tomato Genotypes—1. Fruit Yields

Stoffella, Peter J.; Bryan, H. H.; Howe, T.K.; Scott, John F.; Locascio, S. J.; Olson, Stephen M.

doi:10.21273/jashs.109.5.615

Cited by 9 publications

(10 citation statements)

References 2 publications

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“…Poysa et al (15), on the other hand, reported that high-yielding tomato genotypes were unstable in yield across environments. In the present study, some of the high-yielding cultivars were fairly stable across seasons, and others were relatively unstable with respect to fruit yield, in partial agreement with the findings of others (15,17). Finlay and Wilkinson ( 9) also observed that low-yielding genotypes had above-average yield stability across environments.…”

Section: Resultssupporting

confidence: 90%

“…It produced above-average yields in all years except 1980, and tended to yield more than other cultivars during the poor 1981 season, exhibiting superior adaptability compared to the other cultivars included in this study. In a study reported from Florida by Stoffella et al (17), it was observed that high-yielding fresh-market tomato genotypes had good phe- notypic stability for fruit yield. Poysa et al (15), on the other hand, reported that high-yielding tomato genotypes were unstable in yield across environments.…”

Section: Resultsmentioning

confidence: 97%

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Stability in Fruit Yield, Soluble Solids, and Citric Acid of Eight Machine-harvested Processing Tomato Cultivars in Northern Ohio

Berry

Uddin

Gould

et al. 1988

J. Amer. Soc. Hort. Sci.

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Stability and variation of fruit yield, soluble solids, and citric acid content of eight tomato (Lycopersicon esculentum Mill.) cultivars over 6 years were investigated. The cultivar Ohio 7814 exhibited above-average yield and yield stability. The cultivars showed a wide range of variation for percent soluble solids and citric acid. The cultivar Ohio 7870 was least variable in soluble solids, and ‘Heinz 2653’ most variable. Regarding citric acid, ‘Heinz 722’ had the largest seasonal variation, whereas ‘Ohio 7814’ had the least. A linear relationship between fruit yield and percent soluble solids was not detected on the basis of 6 years of data.

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Section: Resultssupporting

confidence: 90%

Section: Resultsmentioning

confidence: 97%

Stability in Fruit Yield, Soluble Solids, and Citric Acid of Eight Machine-harvested Processing Tomato Cultivars in Northern Ohio

Berry

Uddin

Gould

et al. 1988

J. Amer. Soc. Hort. Sci.

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“…Plants were spaced 38 cm apart in the center of each bed and staked. Soil type, cultural practices, and fertilizer rates used in the study at Bradenton in Spring 1983 were similar to those in Spring 1982 (Stoffella et al, 1984).…”

Section: Methodsmentioning

confidence: 81%

“…Nine environments, each differing in climatic and edaphic conditions and cultural practices, were represented. Soil type and cultural practices in each environment were described by Stoffella et al (1984), except for those at Bradenton and Immokalee during Spring 1983. In the study at Immokalee (Spring 1983), beds were spaced at 1.22-m centers on an Immokalee fine sand.…”

Section: Methodsmentioning

confidence: 99%

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Stability Differences among Fresh-market Tomato Genotypes: II. Fruit Quality

Gull

Stoffella

Locascio

et al. 1989

J. Amer. Soc. Hort. Sci.

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Ten fresh-market tomato (Lycopersicon esculentum Mill.) genotypes were evaluated for stability of fruit firmness, citric acid, soluble solids, β-carotene and ascorbic acid concentrations, sugar : acid ratio, color, N content, and dry weight when grown in nine environments. Linear relationships between the genotype means for a given trait and the mean for the trait in each environment were used as an indicator of stability. A stable genotype for a given trait was considered to possess a regression coefficient (b1) ⩽ a coefficient of linear determination (r2) > 0.50, a genotype mean above the grand mean (mean of all genotypes), and a nonsignificant deviation from regression mean square (S2d). Using these criteria, stability in the nine environments was shown by the fruits of the various cultivars as follows: ‘Flora-Dade’, ‘FTE-12’, and D76I27 for firmness; ‘Castlehy 1035’ and ‘Sunny’ for citric acid; ‘Walter’ for soluble solids concentration; ‘FTE-12’ for ascorbic acid concentration; ‘Hayslip’, ‘Walter’, and ‘Burgis’ for sugar : acid ratio; ‘FTE-12’ and ‘Hayslip’ for β-carotene concentration: ‘Flora-Dade’ and 827115-IBK for color a/b; ‘Castlehy 1035’ and ‘Hayslip’ for dry weight; and ‘Walter’ for N content. Stable genotypes are less sensitive to environmental changes and are more adapted to favorable and unfavorable conditions than unstable genotypes. No genotype was found to be stable for every fruit quality trait in the nine environments. Stability of fruit quality characteristics should be considered in tomato breeding programs to develop genotypes adapted to diverse environmental and management conditions.

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Adaptation to day length and yield stability of families from 4x×2x crosses in potato

et al. 1991

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The objectives of this research were to evaluate the response to day length and the yield stability of environments of 4x families from 4x x 2x crosses in potato. Twenty families from crosses between 4x female parents with different genetic backgrounds and 2x parents, which formed 2n pollen by first division restitution and were selected under short days, were evaluated in four locations in Peru (short days) and during two years at Rhinelander, USA (long days). Results from the USA indicate that the 4x progeny from 4x × 2x crosses were very late maturing and poor yielding.Further, vine maturity, tuber size and tuber number are highly correlated with the percentage of Tuberosum germplasm in the parentage. Results from Peru indicate that most 4x × 2x families had high tuber yield, stability for yield and high dry matter content. The lack of correlation between rank order of the parental value, based on progeny testing, of the male and female parents among short day locations and between short and long day environments indicates that selection of parents must be done in each location in which the final product, either a family or a clone, will be used.

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Stability Differences among Fresh Market Tomato Genotypes—1. Fruit Yields

Cited by 9 publications

References 2 publications

Stability in Fruit Yield, Soluble Solids, and Citric Acid of Eight Machine-harvested Processing Tomato Cultivars in Northern Ohio

Stability in Fruit Yield, Soluble Solids, and Citric Acid of Eight Machine-harvested Processing Tomato Cultivars in Northern Ohio

Stability Differences among Fresh-market Tomato Genotypes: II. Fruit Quality

Adaptation to day length and yield stability of families from 4x×2x crosses in potato

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