Effect of potassium fertilization on leaf physiology, fiber yield and quality in cotton (Gossypium hirsutum L.) under irrigated Mediterranean conditions

Tsialtas, J. T.; Shabala, Sergey; Baxevanos, Dimitrios

doi:10.1016/j.fcr.2016.03.010

Cited by 36 publications

(25 citation statements)

References 64 publications

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“…Also, the use of potassium in cotton enhanced the metabolic activity and improved the staple length, tensile strength, and fiber length and decreased the amount of damaged fiber [14]. Several other studies have reported an improvement in yield of cotton seed and quality of fiber due to potassium input in cotton under optimal and suboptimal conditions [80][81][82]. Combined foliar application of magnesium in combination with potassium and nitrogen improved the seed cotton yield, fiber quality, leaf nitrogen, potassium and magnesium concentration, and water use efficiency of cotton.…”

Section: Potassiummentioning

confidence: 99%

Abiotic Stress Tolerance in Cotton

Hassan¹,

Ijaz²,

Sattar³

et al. 2020

Advances in Cotton Research

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Cotton (Gossypium hirsutum L.) is a vital fiber crop that is being cultivated under diverse climatic conditions across the globe. The demand for cotton and its by-products is increasing day by day due to more consumption of this fiber in the textile industry and the utilization of cotton seed as a source of edible oil. However, the average seed cotton yield in the world is below that of the potential yield of cultivars. The factors responsible for low yield includes shortage of approved seed, pest and disease attack, weed infestation, unwise use of nutrients, and the incidence of abiotic stresses (including drought, heat, and salinity). Among these, the abiotic stresses are a single major factor, which is responsible for reducing the yield now and will affect the productivity of cotton in future. In this scenario, it is necessary to adopt ways to improve the tolerance of cotton against abiotic stresses. The strategies for improving tolerance against abiotic stresses may include the wise use of macroand micronutrients, the use of osmoprotectants, the use of arbuscular mycorrhizal fungi, and the plant-growth promoting rhizobacteria.

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Section: Potassiummentioning

confidence: 99%

Abiotic Stress Tolerance in Cotton

Hassan¹,

Ijaz²,

Sattar³

et al. 2020

Advances in Cotton Research

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“…The increase in LA caused by the increment in the levels of the studied factors, up to the maximum combination discussed previously, results from the accumulation of photoassimilates during photosynthesis [19], leading to higher dry matter accumulation in the plants, as indicated in Fig. 3.…”

Section: Morphological Responsesmentioning

confidence: 60%

“…The increase in SDM caused by the factor irrigation depth (L) may result from the accumulation of nutrients present in the treated domestic wastewater such as N, P and K (mean concentrations of 126.0, 13.7 and 43.6 mg L -1 , respectively) and of photoassimilates during photosynthesis [17,19]. As observed, greater water availability increases stomatal opening, favoring the entry of CO2 in the mesophyll, thus enhancing photosynthesis [18].…”

Section: Accumulation Of Dry Massmentioning

confidence: 99%

Agronomic performance of colored cotton influenced by irrigation with treated domestic sewage and potassium fertilization in semi-arid region of Brazil

Lima

Silva

Bezerra

et al. 2019

DYNA

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This study evaluated the contribution of potassium (K) nutrition and application of wastewater depths to the agronomic performance of colored cotton. Treatments consisted of five irrigation depths (50, 75, 100, 125 and 150% of crop evapotranspiration -ETC) and five K doses (0, 50, 100, 150 and 200% of the recommendation for the crop) and an absolute control irrigated with 100% ETCwater depth and fertilized with 100% N-P-K recommendation. Each treatment and the control had four replicates. Plant height, stem diameter, leaf area and shoot dry matter accumulation of cotton were evaluated at 130 days after emergence (DAE), whereas seed cotton weight was evaluated at 135 DAE. Our findings indicate that the use of treated domestic sewage for 100% ETCreplacement promotes greater gains of weight and growth in colored cotton without the need for K fertilization, evidencing the potential of wastewater for colored cotton for sustainable agriculture.

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“…P nutrient is essential for photosynthesis [20], and it is required after emergence [21]. K is the second most abundant element in plant tissues after N [22,23], and it helps enhance water uptake and fruit quality [24]. In addition to mineral fertilizers, water greatly contributes to the development of the strawberry fruits, leaves and othe organsf [25], and water shortages can lead to large losses of strawberry yield [26].…”

Section: Introductionmentioning

confidence: 99%

Optimal fertigation for high yield and fruit quality of greenhouse strawberry

Yong

et al. 2020

PLoS ONE

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Nitrogen (N), phosphorus (P), potassium (K), and water are four crucial factors that have significant effects on strawberry yield and fruit quality. We used a 11 that involved 36 treatments with five levels of each of the four variables (N, P, and K fertilizers and water) to optimize fertilization and water combination for high yield and quality. Moreover, we used the SSC/TA ratio (the ratio of soluble solid content to titratable acid) as index of quality. Results showed that N fertilizer was the most important factor, followed by water and P fertilizer, and the N fertilizer had significant effect on yield and SSC/TA ratio. By contrast, the K fertilizer had significant effect only on yield. N×K fertilizer interacted significantly on yield, whereas the other interactions among the four factors had no significant effects on yield or SSC/TA ratio. The effects of the four factors on yield and SSC/TA ratio were ranked as N fertilizer > water > K fertilizer > P fertilizer and N fertilizer > P fertilizer > water > K fertilizer, respectively. The yield and SSC/TA ratio increased when NPK fertilizer and water increased, but then decreased when excessive NPK fertilizer and water were applied. The optimal fertilizer and water combination were 22.28-24.61 g plant -1 Ca (NO 3 ) 2 �4H 2 O, 1.75-2.03 g plant -1 NaH 2 PO 4 , 12.41-13.91 g plant -1 K 2 SO 4 , and 12.00-13.05 L water plant -1 for yields of more than 110 g plant -1 and optimal SSC/TA ratio of 8.5-14. OPEN ACCESSCitation: Wu Y, Li L, Li M, Zhang M, Sun H, Sigrimis N (2020) Optimal fertigation for high yield and fruit quality of greenhouse strawberry. PLoS ONE 15(4): e0224588. https://doi.org/10.

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Effect of potassium fertilization on leaf physiology, fiber yield and quality in cotton (Gossypium hirsutum L.) under irrigated Mediterranean conditions

Cited by 36 publications

References 64 publications

Abiotic Stress Tolerance in Cotton

Abiotic Stress Tolerance in Cotton

Agronomic performance of colored cotton influenced by irrigation with treated domestic sewage and potassium fertilization in semi-arid region of Brazil

Optimal fertigation for high yield and fruit quality of greenhouse strawberry

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