Germination and Seedling Development

Bradow, Judith M.; Bauer, Philip J.

doi:10.1007/978-90-481-3195-2_5

Cited by 16 publications

(19 citation statements)

References 37 publications

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“…Low temperature can alter seed membrane permeability and may result in reduced imbibition of water (Wanjura & Buxton, ) with a simultaneous leaking of seed cell contents (Woodstock, ). As a result, seedling emergence can be delayed and radical abortion may occur under severe chilling temperatures (Bradow & Bauer, ). Therefore, a reduced rate of seedling emergence observed under the low‐temperature treatment may be attributed to altered seed membrane properties.…”

Section: Discussionmentioning

confidence: 99%

“…Upland cotton ( Gossypium hirsutum L.) grown in the United States often observes temperatures ranging from 20 to 40°C (Reddy, Baker, & Hodges, ), while an average temperature of 30°C is considered optimum (Bradow & Bauer, ). Cotton producers in the U.S. Mid‐South favour early‐season planting to capture early‐season rainfall, avoid late‐season insect pressure and ultimately increase lint yields (Pettigrew, ).…”

Section: Introductionmentioning

confidence: 99%

“…The detrimental effects of high or low temperatures can be determined based on growth and development at various stages of cotton. Cotton seeds exposed to chilling temperatures (<10°C) during initial water uptake can induce radicle abortion followed by profuse lateral roots and swollen base of hypocotyl (Bradow & Bauer, ; Wanjura & Buxton, ). Similarly, Christiansen () observed reduced germination and induced root abnormalities when cotton seeds were exposed to chilling temperatures (5°C) for 30 min.…”

Section: Introductionmentioning

confidence: 99%

“…Similarly, Christiansen () observed reduced germination and induced root abnormalities when cotton seeds were exposed to chilling temperatures (5°C) for 30 min. The symptoms of radicle injury appeared when the cotton seeds were imbibed at 10°C but were severe at 5°C (Bradow & Bauer, ). Cotton seeds hydrated for 4 hr at 31°C and then subjected to chilling temperatures (5°C) for 48 hr showed healthy seedling growth (Bradow & Bauer, ).…”

Section: Introductionmentioning

confidence: 99%

“…The symptoms of radicle injury appeared when the cotton seeds were imbibed at 10°C but were severe at 5°C (Bradow & Bauer, ). Cotton seeds hydrated for 4 hr at 31°C and then subjected to chilling temperatures (5°C) for 48 hr showed healthy seedling growth (Bradow & Bauer, ). Bölek, Nas, and Cokkizgin () observed decreased germination percentage among all cotton cultivars when seeds were primed for longer periods at 5°C.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Assessing morphological characteristics of elite cotton lines from different breeding programmes for low temperature and drought tolerance

Singh

Norvell

Wijewardana

et al. 2018

J Agronomy Crop Science

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Cotton breeders in the United States strive to develop region‐specific genotypes adapted to low temperatures and variable soil moistures during early‐season planting. Nine elite upland cotton germplasm (Gossypium hirsutum L.) lines, representing public breeding programmes from nine states across the cotton belt, were evaluated for cold and drought stresses during seed germination and seedling growth stages. Lines were subjected to three treatments, such as low temperature well‐watered (22/14°C, WW), optimal temperature drought stress (30/22°C, DS) and optimal temperature well‐watered (30/22°C, WW; control), to examine genotypic variability for cold and drought tolerance. The treatment including drought stress was irrigated at 50% of the control. Shoot and root traits measured at 25 days after planting were significantly affected by drought and low temperature, where significant genetic variability among lines was observed for both shoot and root parameters. Response indices were developed to quantify variation in the degree of tolerance among the lines to low temperature and drought. Accordingly, OA‐33 was identified as the most low‐temperature‐tolerant line and Acala 1517‐99 as the most drought‐tolerant line. Identification of both cold‐ and drought‐tolerant genotypes suggests existing genotypic variability could provide breeders the opportunity to improve cultivar response to early‐season drought or cold conditions.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Assessing morphological characteristics of elite cotton lines from different breeding programmes for low temperature and drought tolerance

Singh

Norvell

Wijewardana

et al. 2018

J Agronomy Crop Science

View full text Add to dashboard Cite

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Morphology, Physiology and Ecology of Cotton

Rehman

Farooq

2019

Cotton Production

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Seed size, planting date, and seeding rate on cotton vigor and yield

Holladay,

Jones,

Plumblee

et al. 2024

Agronomy Journal

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Cotton (Gossypium hirsutum L.) is one of the top economic crops in South Carolina, and growers make many important decisions prior to planting each year including variety selection, planting date, seed size, and seeding rate. As input costs continue to rise, greater detailed information is needed so that growers can make better informed decisions for their individual operations. The objectives of this study were to evaluate the influence of seed size, seeding rate, and planting date on the growth, development, lint yield, and fiber quality for cotton grown in South Carolina. Two seed sizes large (≤9460 seed kg−1) and small (≥12,100 seed kg−1) were planted at four seeding rates (61,775; 86,485; 111,195; and 135,905 seeds ha−1) on two different planting dates (early [late April/early May] and late [late May/early June]) in 2020, 2021, and 2022 in Florence and in 2020 and 2021 in Blackville, SC. Data collection included stand counts, biomass at multiple growth stages, plant height, lint yield, fiber quality, and overall net returns. Results showed no difference in lint yield for any of the factors in either location in 2020; however, the small‐seeded variety lint yield was 20% more than the large‐seeded variety in Florence in 2021 and 2022 and 5% higher in Blackville in 2021. In Florence, seeding rates over 100,000 seed ha−1 resulted in higher lint yield than the lower two seeding rates. In both locations, delaying planting until after May 22 increased lint yield by approximately 15% in 2021 and 2022. The large‐seeded variety consistently had greater dry biomass (12%–52% greater) than the small‐seeded variety, indicating that it produced larger, more vigorous seedlings. While seed size may not be a reliable predictor of lint yield, it has proven to be an accurate predictor of seedling vigor. Therefore, it may be beneficial to plant a high‐yielding, larger seed size variety when unfavorable planting conditions are expected.

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Germination and Seedling Development

Cited by 16 publications

References 37 publications

Assessing morphological characteristics of elite cotton lines from different breeding programmes for low temperature and drought tolerance

Assessing morphological characteristics of elite cotton lines from different breeding programmes for low temperature and drought tolerance

Morphology, Physiology and Ecology of Cotton

Seed size, planting date, and seeding rate on cotton vigor and yield

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