Effect of sowing times on heterosis and heterobeltiosis in cotton (Gossypium hirsutum L.)

Güvercin, Ramazan Şadet; Oğlakçi, Mustafa

doi:10.7161/omuanajas.260982

Cited by 3 publications

(2 citation statements)

References 10 publications

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“…It was determined that the variation between two location contributed by differences among lines, while the differences in Elbistan were supported by differences among testers and L x T interactions (Table 2 and Table 3). Our finding is in agreement with Güvercin and Oğlakçı (2016). The difference in harvesting time between locations (38 day) hadn't been preventing the difference in day degree units.…”

Section: Seed Cotton Yield (Kg Da -1 )supporting

confidence: 91%

“…Elbistan Differences findings about that hybrids were more important than parents in Kahramanmaraş and differences of locations was found more effective on parents, hybrids and testers (G x Lc, P x Lc, H x Lc, T x Lc and L x T x Lc in Table 3). Our finding is in agreement with Güvercin and Oğlakçı (2016). The difference in harvesting time between locations (38 day) hadn't been preventing the difference in day degree units.…”

Section: Kahramanmaraşsupporting

confidence: 91%

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Environmental Impacts Having Different Altitude on Day-Degree Units with Yield and Fiber Quality of Cotton (Gossypium hirsutum L.) F1 Hybrids Obtained By Line x Tester Design

Güvercin¹,

Kıllı²,

Sunulu³

2018

Türk Tarım Ve Doğa Bilimleri Dergisi

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Temperature is an important factor that affecting growth and development in cotton (Gossypium hirsutum L.). This research was carried out at Kahramanmaraş and Elbistan conditions having different altitude and temperature in 2012, after the hybridization which made in 2011. For this purpose, eight parents and their fifteen F1 hybrids which are obtained by Line x Tester used as a plant material in a randomized complete block design with four replications. In this study, the effects of Kahramanmaraş and Elbistan conditions were examined on the number of day and degree-day units required for squaring, flowering, bolls opening and harvesting times as well as seed cotton yield, gin outturn, fiber fineness and fiber length. Results indicated that investigated properties, except fiber length were affected by Kahramanmaraş and Elbistan conditions. While genotypes were using less degree-day unit for the first squaring in Elbistan, have been used more degree-day unit in Kahramanmaraş for the first flower, boll opening and harvest times. But, genotypes have been used more day number for collect to degree-day units in Elbistan. For this reason, although genotypes which have 207.41 kg da-1 seed cotton yield in 195 days using 1593.5 °C degree-day unit in Elbistan, had been got 426.25 kg da-1 seed cotton yield in 157 days using 2480.1 o C degree-day in Kahramanmaraş. As a result, 1x4 F1 hybrids and Fantom for Elbistan, 1x5 F1 hybrids and Stoneville 468 for Kahramanmaraş are found very important.

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Section: Seed Cotton Yield (Kg Da -1 )supporting

confidence: 91%

Section: Kahramanmaraşsupporting

confidence: 91%

Environmental Impacts Having Different Altitude on Day-Degree Units with Yield and Fiber Quality of Cotton (Gossypium hirsutum L.) F1 Hybrids Obtained By Line x Tester Design

Güvercin¹,

Kıllı²,

Sunulu³

2018

Türk Tarım Ve Doğa Bilimleri Dergisi

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Effect of Different Sowing Dates on Cotton (Gossypium hirsutum L.) Fiber Color at Double Crop Growing Conditions

Çopur¹,

Polat²,

Odabaşioğlu³

2018

Harran Tarım Ve Gıda Bilimleri Dergisi

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Cotton fiber color is determined by the effect of fiber reflectance (Rd) and fiber yellowness (+b), which are important standards for determining cotton price. This study was conducted to determine effects of different sowing times on fiber color components in widely grown four cotton (Gossypium hirsutum L.) varieties in 2015 and 2016 under Harran Plain double crop conditions. The experiments were conducted on the experimental area of Agricultural Faculty of Harran University at Eyyübiye Campus. Seeds of cotton cultivars were sown according to sowing dates with completely randomized split plot experimental design with three replications. Sowing dates (June 1 st , June 10 th and June 20 th) were kept in main plot and varieties (Stoneville 468, BA 119, DP 499 and PG 2018) were in sub plot. Four cotton varieties (Stoneville 468, BA 119, DP 499 and PG 2018), which are certified for Harran Plain, were used as plant material. As the result of the study, the fiber color of Şanlıurfa province, where all varieties are in the light and white class according to the HVI color scale, but white color is changing from standard 2 to standard 3 and standard 4 grade. All the varieties used in the experiment were affected by sowing time in terms of fiber color and whiteness of color was found to be dulled with the delay in the sowing time. For this reason, early and late harvests should not be mixed and should be stored separately.

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The changes of economically valuable signs got under the influence of gamma-ryes

Rzayeva

2022

Agrarnaâ nauka

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Relevance. The plants treated and modified under the influence of a physical mutagen of the Co60 isotope at doses of 500, 1000, 5000, 10000, 20000 and 30000 r were grouped into types. Changes in such economically valuable features as yield per one bush, fiber yield, weight of raw cotton in one boll and fiber length under the influence of the Co60 isotope in experimental optionss were studied. With an increase in the dose of gamma rays, an increase in fiber yield was observed. In the AzNIHI-195 variety, when exposed to a lower dose of gamma rays (500 R) on seeds before sowing, the fiber yield was 35.9%, at a high dose (30,000 R) — 37.2%. Fiber yield varies depending not only on the variety, but also on the placement of the bolls on the bush. Forms with short and long fibers selected according to various options are of particular importance as a starting material and on their basis, in the next generation, it is possible to select forms with long fibers. The resulting economically valuable forms will be used as starting material in breeding work.Methods. The research studied the change in the mass of raw cotton of one boll under the influence of gamma rays on seeds. The results of the impact of gamma rays on the seeds of varieties AzNIKHI-104 and AzNIKHI-195 in M 1 shows a change in the mass of raw cotton in one boll. On this basis, sharp differences were obtained both in the effect of different doses of gamma rays among themselves, and in comparison with the control option. In the variety AzNIKHI-104 in M1, the obtained differences were at the ranges of 0.2–0.9 gr. At a high concentration of mutagens, a sharp change in the average weight of one boll was observed.Results. In both varieties, an increase in the dose of the mutagen leads to an increase in both the mass and the yield of raw cotton fiber, while the yield of raw cotton in one bush decreases. When exposed to high doses, low-yielding, semi-sterile and sterile plants are obtained, and the length of the fiber increases at low doses. A similar result is observed in both cotton varieties.

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Effect of sowing times on heterosis and heterobeltiosis in cotton (Gossypium hirsutum L.)

Cited by 3 publications

References 10 publications

Environmental Impacts Having Different Altitude on Day-Degree Units with Yield and Fiber Quality of Cotton (Gossypium hirsutum L.) F1 Hybrids Obtained By Line x Tester Design

Environmental Impacts Having Different Altitude on Day-Degree Units with Yield and Fiber Quality of Cotton (Gossypium hirsutum L.) F1 Hybrids Obtained By Line x Tester Design

Effect of Different Sowing Dates on Cotton (Gossypium hirsutum L.) Fiber Color at Double Crop Growing Conditions

The changes of economically valuable signs got under the influence of gamma-ryes

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