Foliar application of mepiquat chloride and nitrogen improves yield and fiber quality traits of cotton (Gossypium hirsutum L.)

Abbas, Hasnain; Wahid, Muhammad Ashfaq; Sattar, Abdul; Tung, Shahbaz Atta; Saleem, Muhammad Farrukh; Irshad, Sohail; Alkahtani, Jawaher; Elshikh, Mohamed S.; Cheema, Mumtaz; Li, Yunzhou

doi:10.1371/journal.pone.0268907

Cited by 5 publications

(4 citation statements)

References 30 publications

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“…MC impacts cotton plants in ways such as decreasing the stem and leaf growth but increasing the maturity [21]. The MC treatment balances vegetative and reproductive development in cotton, improving the fiber quality and yield [82]. MT also enhances plant antioxidant capacities that scavenge the production of ROS and RNS [50].…”

Section: Role Of MC In Cotton Growth Physiology and Yieldmentioning

confidence: 99%

The Roles of Mepiquate Chloride and Melatonin in the Morpho-Physiological Activity of Cotton under Abiotic Stress

Wu,

Liu,

et al. 2023

IJMS

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Cotton growth and yield are severely affected by abiotic stress worldwide. Mepiquate chloride (MC) and melatonin (MT) enhance crop growth and yield by reducing the negative effects of abiotic stress on various crops. Numerous studies have shown the pivotal role of MC and MT in regulating agricultural growth and yield. Nevertheless, an in-depth review of the prominent performance of these two hormones in controlling plant morpho-physiological activity and yield in cotton under abiotic stress still needs to be documented. This review highlights the effects of MC and MT on cotton morpho-physiological and biochemical activities; their biosynthetic, signaling, and transduction pathways; and yield under abiotic stress. Furthermore, we also describe some genes whose expressions are affected by these hormones when cotton plants are exposed to abiotic stress. The present review demonstrates that MC and MT alleviate the negative effects of abiotic stress in cotton and increase yield by improving its morpho-physiological and biochemical activities, such as cell enlargement; net photosynthesis activity; cytokinin contents; and the expression of antioxidant enzymes such as catalase, peroxidase, and superoxide dismutase. MT delays the expression of NCED1 and NCED2 genes involved in leaf senescence by decreasing the expression of ABA-biosynthesis genes and increasing the expression of the GhYUC5, GhGA3ox2, and GhIPT2 genes involved in indole-3-acetic acid, gibberellin, and cytokinin biosynthesis. Likewise, MC promotes lateral root formation by activating GA20x genes involved in gibberellin catabolism. Overall, MC and MT improve cotton’s physiological activity and antioxidant capacity and, as a result, improve the ability of the plant to resist abiotic stress. The main purpose of this review is to present an in-depth analysis of the performance of MC and MT under abiotic stress, which might help to better understand how these two hormones regulate cotton growth and productivity.

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Section: Role Of MC In Cotton Growth Physiology and Yieldmentioning

confidence: 99%

The Roles of Mepiquate Chloride and Melatonin in the Morpho-Physiological Activity of Cotton under Abiotic Stress

Wu,

Liu,

et al. 2023

IJMS

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“…Mepiquat chloride prevents cell expansion but not cell division. Its application channels the carbohydrates into reproductive organs and therefore diminishs vegetative growth (Abbas et al, 2022). This allows the plants to transfer the desired amount of photo-synthetase from the vegetative organs to the reproductive ones, enhancing the cotton yield and quality parameters (Hussain et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Exogenous application of bio-stimulants and growth retardants improve nutrient absorption and fiber quality in upland cotton

Al-Khayri,

Arif,

Kareem

et al. 2024

J Cotton Res

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Background Natural and synthetic plant growth regulators are essential for plant health, likewise these regulators also play a role in increasing organic production productivity and improving quality and yield stability. In the present study, we have evaluated the effects of foliar applied plant growth regulators, i.e., moringa leaf extract (MLE) and mepiquat chloride (MC) alone and in combination MC and MLE on the conventional cotton cultivar (CIM 573) and transgenic one (CIM 598). The growth regulators were applied at the start of bloom, 45 and 90 days after blooming. Results The application of MC and MLE at 90 days after blooming significantly improved the relative growth rate, net assimilation rate, the number of bolls per plant, and seed cotton yield. Likewise, the combined application of MLE and MC at 90 days after blooming significantly boosted the nitrogen uptake in locules, as well as the phosphorus and potassium uptake in the leaves of both cotton cultivars. The application of MLE alone has considerably improved the nitrogen uptake in leaves, and phosphorus and potassium contents in locules of Bt and conventional cotton cultivars. Similarly, Bt cotton treated with MLE at 90 days after blooming produced significantly higher ginning out turn and oil contents. Treatment in combination (MLE + MC) at 90 days after blooming produced considerably higher micronaire value, fiber strength, and staple length in conventional cultivar. Conclusion The natural growth enhancer, MLE is a rich source of minerals and zeatin, improving the nutrient absorption and quality of cotton fiber in both conventional and Bt cotton cultivars.

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“…It changes the sequence of assimilate division, reserve remobilization, and uptake of nutrients. Furthermore, it hampers gibberellic acid biosynthesis, which finally decreases cell division and elongation [7,8]. N-(2-Chloro-4pyridyl)-N′ -phenyl-urea (CPPU) is a member of the synthetic cytokinin group.…”

Section: Introductionmentioning

confidence: 99%

Efficiency of Foliar Fertilizers and Growth Regulators on Cowpea Productivity and Control of Cowpea Weevil, <i>Callosobruchus maculatus</i> (Coleoptera: Bruchidae)

Ismail,

Ahmed,

Keratum

et al. 2023

Pol. J. Environ. Stud.

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Cowpea, Vigna unguiculata, is an important food and forage legume worldwide. The cowpea weevil is a major cowpea pest that causes damage both in the field and during storage. This study investigated the effects of some foliar treatments, including three foliar fertilizers (Ca, K, B) and two growth regulators (mepiquat chloride (MC) and forchlorfenuron (CPPU) on the cowpea yield and its components. Furthermore, evaluating the susceptibility and resistance of cowpea seeds resulting from the previous treatments against the C. maculatus insect. The results showed that all foliar sprays had significant effects on yield and its components in both seasons compared with the control. The highest yield was achieved by CPPU treatment, followed by K treatment, and the lowest yield was achieved by MC treatment. The results of the free-choice and no-choice tests revealed that cowpea seeds treated with MC treatment were the most susceptible to C. maculatus attack. At the same time, cowpea seeds treated with K and CPPU treatments showed their resistance to infestation by the same insect. Foliar application of K and CPPU treatments could be used in integrated pest management programs to reduce the risk of pesticides to human health and increase crop production.

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Foliar application of mepiquat chloride and nitrogen improves yield and fiber quality traits of cotton (Gossypium hirsutum L.)

Cited by 5 publications

References 30 publications

The Roles of Mepiquate Chloride and Melatonin in the Morpho-Physiological Activity of Cotton under Abiotic Stress

The Roles of Mepiquate Chloride and Melatonin in the Morpho-Physiological Activity of Cotton under Abiotic Stress

Exogenous application of bio-stimulants and growth retardants improve nutrient absorption and fiber quality in upland cotton

Efficiency of Foliar Fertilizers and Growth Regulators on Cowpea Productivity and Control of Cowpea Weevil, <i>Callosobruchus maculatus</i> (Coleoptera: Bruchidae)

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