Impact of temperature on yield and related traits in cotton genotypes

Ullah, Kalim; Khan, Nadim; Usman, Zahid; Ullah, Rehmat; Saleem, Faisal; Shah, Syed Asif Imran; Salman, Muhammad

doi:10.1016/s2095-3119(15)61088-7

Cited by 24 publications

(14 citation statements)

References 6 publications

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“…It can be thus concluded that in cotton breeding program, environmental effects in understanding plant growth must be given due consideration. These results are in accordance with the findings of Machado et al [12] and Ullah et al [13] who also recorded significant genotype × planting times, genotype × year and genotype × year × location interaction. Significant genotype × environment interaction in upland cotton was also recorded by Unay et al [14] and Satish et al [15].…”

Section: Combined Analysis Of Variancesupporting

confidence: 93%

Response of Yield and Related Attributes of Upland Cotton to Weather Variables

Ullah¹,

Khan²,

Mahmood³

et al. 2017

AJPS

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Cotton growth and development is effected by various ecological issues like temperature fluctuations, distribution and quantity of rainfall, relative humidity and winds which are the climate change attributes. A field experiment was carried out to find out the response of cotton to weather variables in terms of total variation in yield and quality. The effect of planting times and thermal temperatures (cumulative heat units) on yield of 4 cotton cultivars viz; CIM-600, CIM-616, CIM-622 & CRIS-641 was evaluated. Plants were sown on 6 planting times during the year 2015-2016 and 2016-2017 in an experiment conducted in randomized complete block design having three replications. Cotton cultivars depicted significant variances for number of bolls plant −1 , boll weight and seed cotton yield. The cultivar CIM-616 depicted the highest seed cotton yield of 2083.60 kg•ha −1 on interpretation of highest bolls and boll weight. Maximum seed cotton yield was noted in planting time from 1 st April to 15 th April whereas early and late planting decreases the seed cotton yield on account of less accretion of cumulative heat units. Regression analysis depicted that rise of one unit (15 days) from early to optimal date (15 th March to 15 th April) enhanced the seed cotton yield by 93.76 kg•ha −1 (y = −93.764x 2 + 521.04x + 1364). Delayed planting also reduces the seed cotton yield with the same ratio. It is therefore established that cotton must be cultivated from 1 st April to 1 st May to harvest good production in this type of climate.

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Section: Combined Analysis Of Variancesupporting

confidence: 93%

Response of Yield and Related Attributes of Upland Cotton to Weather Variables

Ullah¹,

Khan²,

Mahmood³

et al. 2017

AJPS

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“…Accumulation of higher GDDs for early sowing times at both experimental stations highlighted the fact that the early dates represented the best sowing dates for cotton crops in order to obtain higher lint and seed yields in Sicilian areas. A greater accumulation of GDDs determined an increase in yield and yield components due to the fact that air temperature is considered the climate factor most able to influence and govern plant growth rate and yields [ 65 , 66 ]. On the contrary, at both experimental stations, late sowing was not considered optimal as it resulted in a reduction in lint and seed yields due to the fact that the plants completed their cycle more quickly and accumulated fewer GDDs.…”

Section: Discussionmentioning

confidence: 99%

Effects of Environment and Sowing Time on Growth and Yield of Upland Cotton (Gossypium hirsutum L.) Cultivars in Sicily (Italy)

Tuttolomondo

Virga

Rossini

et al. 2020

Plants

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Cotton is one of the most important industrial crops in the world. Though widely cultivated in Sicily (Italy) in the past, cotton growth on the island has disappeared today due to a complex variety of agronomic, economic and socio-political reasons. In recent years, increased interest in natural fibers worldwide has led to a revival in cotton plants in the Mediterranean area. The aim of this paper was to assess the response of Gossypium hirsutum L. cultivars to different environments and sowing times. Elsa and Juncal were selected from the most promising cotton cultivars regarding earliness and productivity. Plants were tested with three sowing times and in two Sicilian environments. Cotton yield and yield components were significantly affected by experimental station, sowing time and cultivar. Lint yield of cultivars was 1.60 t ha−1 on average, and the highest value of 1.99 t ha−1 was obtained from an early sowing time. The three indices of agronomic earliness varied significantly based on treatments. In conclusion, the evaluation of response genotype-by-environment under different sowing times could represent a strategy to obtain optimal cotton seed and lint yields, although other general aspects, such as labor costs, land availability and capital resources, should be also considered when evaluating the reintroduction of the species in Sicily.

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“…1-F). Hybrid CIM-632 × VH-367 had minimum seed index 4.62 g whereas CIM-632 × A555 exhibited maximum mean value 5.70 g. While studying the seed cotton yield it was observed that among parents, the genotype IUB-222 had maximum mean value 74.81 g (Fig. 1-G Heritability (B.S) for plant height was 74.48% (Table 3).…”

Section: Mean Comparison For Certain Traitsmentioning

confidence: 93%

Heritability and correlation analysis of morphological and yield traits in genetically modified cotton

Rehman

Mustafa

et al. 2020

Preprint

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Background Cotton is known for its fiber and it is grown in tropical and sub-tropical areas of the world. It has a significant role in GDP of Pakistan. Therefore, present two years research was conducted to estimate heritability and association among various yield contributing parameters of cotton. The selected genotypes of cotton were hybridized in green house of the department. The F 0 cotton seed along with parents were planted in the field conditions during May, 2018. The sowing of this experiment was completed in three replications followed by RCBD. The data was recorded at maturity for various agronomic traits including plant height, number of bolls per plant, number of sympodial branches per plant, seed cotton yield, boll weight, seed index, ginning out turn, fiber length, fiber strength, and fiber fineness. Level of significance of data was computed by ANOVA to assess the difference among cotton genotypes which was used for estimation of heritability and correlation analysis among the related traits. Results Association analysis revealed that seed cotton yield had significant positive relationship with plant height, number of bolls per plant, number of sympodial branches per plant, ginning out turn, staple length and fiber strength. Staple length and fiber strength were negatively linked with each other. Estimates of heritability were high for all observed traits except number of sympodial branches per plant and boll weight. Conclusion The parent IUB-222 was found best for plant height, number of bolls per plant, boll weight, ginning out turn, seed cotton yield and seed index. NIAB-414 and VH-367 were identified best parents for fiber length, strength and fineness. Among crosses NIAB-414 × IUB-222 was best for number of bolls per plant, seed index, seed cotton yield and fiber fineness. Whereas, cross NIAB-414 × CIM-632 was good for plant height. The combination of A555 × CIM-632 was best for number of sympodial branches per plant, boll weight, fiber length and strength. VH-367 × CIM-632 proved best for ginning out turn. The correlation results from this study would be helpful to breed cotton cultivars with good yield and quality characters. Broad sense heritability was high for all of parameters which provides the strong evidence that selection in early generations can improve the performance of these traits.

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Impact of temperature on yield and related traits in cotton genotypes

Cited by 24 publications

References 6 publications

Response of Yield and Related Attributes of Upland Cotton to Weather Variables

Response of Yield and Related Attributes of Upland Cotton to Weather Variables

Effects of Environment and Sowing Time on Growth and Yield of Upland Cotton (Gossypium hirsutum L.) Cultivars in Sicily (Italy)

Heritability and correlation analysis of morphological and yield traits in genetically modified cotton

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