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Plant growth and developmental processes are affected by both absences of light and salinity stress. Light and salinity affect the plant’s essential nutrients by affecting the mineral uptake through the rooting system. A pot experiment was conducted under the ambient condition of Turbat, Balochistan, to explore etiolation and de-etiolation response of maize hybrid (SP-17S23) to salinity stress under exogenous application of plant growth regulators (PGRs). Maize seedlings in three sets, i.e., non-etiolated, etiolated, de-etiolated, subjected to salinity stress (120 mM NaCl) after 15 days of seed germination. After a week, the seedlings were sprayed with optimized levels of PGRs, including thiourea (10 mM), salicylic acid (250 µM), and Kinetin (3 µM). Salinity stress affected maize growth by affecting the nutritional status. Salinity negatively affects plant’s nutrient contents such as (Nitrate, K, Mg). However, the foliar supplementation of PGRs significantly enhanced the nutrient content under salinity. Concludingly, the data recommend that foliar application of PGRs plays a key role in hampering the impacts of salinity by improving plant’s nutrients contents, thereby improving the growth of plants.
High temperature is a severe environmental stressor that reduces crop yield. Tomato is one of the vegetable crops whose growth, physiology, and yields are highly affected by high temperature during the summer season in Bangladesh. Bioregulators are vital in controlling plant growth and development. In this study, the external application of 4–Chlorophenoxyacetic acid (4-CPA), Naphthalene Acetic Acid (NAA) and Gibberellic Acid (GA3) were identified as a positive tool in decreasing the stress of the high temperature effect. A pot experiment was arranged under a Completely Randomized Design (CRD) containing three replications. The bioregulator concentrations consisted of control, 20 ppm 4-CPA, 40 ppm 4-CPA, 60 ppm 4-CPA, 10 ppm NAA, 20 ppm NAA, 30 ppm NAA, 20 ppm GA3, 30 ppm GA3 and 40 ppm GA3. The different concentrations of bioregulators had more potentiality to enhance plant height (36.02%), number of branches plant-1 (50%), number of leaves plant-1 (50%), chlorophyll a content (46.95%), chlorophyll b content (27.97%), total chlorophyll content (38.49%), number of flower cluster plant-1 (67.02%), number of flower plant-1 (50%), number of fruits plant-1 (48.72%) and fruit weight plant-1 (64.18%) compared to control. Among the bioregulators, 20 ppm NAA demonstrated the best functional to solved flower and fruit dropping problems of summer tomato. The findings of the study imply that bioregulators can be utilized as a protective agent to increase water use efficiency, osmotic management, and pigment content to reduce the negative effects of high temperature on tomato growth and physiology, resulting in optimum yield.
Plant growth and developmental processes are affected by both absences of light and salinity stress. Light and salinity affect the plant’s essential nutrients by affecting the mineral uptake through the rooting system. A pot experiment was conducted under the ambient condition of Turbat, Balochistan, to explore etiolation and de-etiolation response of maize hybrid (SP-17S23) to salinity stress under exogenous application of plant growth regulators (PGRs). Maize seedlings in three sets, i.e., non-etiolated, etiolated, de-etiolated, subjected to salinity stress (120 mM NaCl) after 15 days of seed germination. After a week, the seedlings were sprayed with optimized levels of PGRs, including thiourea (10 mM), salicylic acid (250 µM), and Kinetin (3 µM). Salinity stress affected maize growth by affecting the nutritional status. Salinity negatively affects plant’s nutrient contents such as (Nitrate, K, Mg). However, the foliar supplementation of PGRs significantly enhanced the nutrient content under salinity. Concludingly, the data recommend that foliar application of PGRs plays a key role in hampering the impacts of salinity by improving plant’s nutrients contents, thereby improving the growth of plants.
Praja Darbar : ప్రజా దర్బార్
ఏలూరు జిల్లా : మార్చి :1(త్రినేత్రం న్యూస్); నూజివీడు నియోజకవర
What Are Plant Growth Regulators? Benefits, Types & Uses
Plant Growth Regulators (PGRs) are plant hormones, organic chemicals that can naturally or artificially influence and control various physiological processes in plants. Even in very small quantities, these regulators can significantly impact plant growth, development, and how plants respond to environmental conditions.
Learn more the Benefits, Types, and Uses of Plant Growth Regulators (PGRs) to understand how they influence plant growth, development, and productivity.: https://hackmd.io/@dhanukaagritech/plant-growth-regulators-types-benefits-and-uses
#pgr #plantgrowthregulators #plantgrowthregulatorproducts
What Are Plant Growth Regulators? Types, Uses & Benefits
Plant Growth Regulators (PGRs) play a key role in plant development and yield improvement. This article discusses in details what the plant growth regulators are, their varieties, applications, roles and advantages in an effort to enable farmers and other agricultural experts to realize the importance they have in the contemporary farming.
Read more: https://hackmd.io/@dhanukaagritech/what-are-plant-growth-regulators-types-uses-benefits #PGRs #plantgrowthregulators