The Effect of Major Nutrients (Npk) on the Growth Rate of Pepper and Eggplant Seedlings

Balliu, A.; Sallaku, Glenda; Kuçi, Sh.; Cota, E.; Kaçiu, S.

doi:10.17660/actahortic.2007.729.56

Cited by 4 publications

(5 citation statements)

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“…findings (Lowe et al, 2003;Balliu et al, 2007;Xia and Wan, 2008), including those on other floating clonal plants (Zhao et al, 2006;Jampeetong and Brix, 2009;Szabo et al, 2010). Also, as expected, increasing plant density decreased total mass and ramet number of S. polyrhiza, suggesting the presence of intraspecific competition (Driever et al, 2005;Wang et al, 2005Wang et al, , 2014aMichelan et al, 2013).…”

Section: Effects Of Clonal Fragmentation Nutrient Availability and Population Density On Growthsupporting

confidence: 62%

Growth and Morphological Responses of Duckweed to Clonal Fragmentation, Nutrient Availability, and Population Density

et al. 2020

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Connected ramets of aquatic clonal plants are susceptible to fragmentation by disturbance. Such clonal fragmentation may interact with nutrient availability and individual density to affect growth and morphology of aquatic clonal plants. We grew the widespread floating clonal plant Spirodela polyrhiza (duckweed) under three levels of population density (low, medium, or high), two levels of nutrient availability (low or high), and two levels of clonal fragmentation (with or without). Clonal fragmentation and high nutrients increased biomass and ramet number, but decreased frond width, frond length, and specific frond area of S. polyrhiza. Increasing population density decreased growth (biomass and ramet number) and frond and root size, and increased frond thickness of individual ramets of S. polyrhiza. The negative effect of population density on growth of S. polyrhiza was greater under high than under low nutrient availability. Furthermore, the negative effect of population density on total mass and frond mass of S. polyrhiza was greater with fragmentation than without. These results suggest that clonal fragmentation, nutrient availability and population density can interact to affect growth and morphology of clonal floating plants. Competition for nutrients and space, rather than light, may be the mechanisms underlying reduced growth of clonal floating plants. As clonal fragmentation can increase biomass and ramet production of S. polyrhiza, disturbance that potentially causes clonal fragmentation cannot be recommended as a measure to limit the spread of clonal floating plants.

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Section: Effects Of Clonal Fragmentation Nutrient Availability and Population Density On Growthsupporting

confidence: 62%

Growth and Morphological Responses of Duckweed to Clonal Fragmentation, Nutrient Availability, and Population Density

et al. 2020

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“…of leaves. RGR and NAR values were gradually increased with NPK fertilizer in pepper and eggplant (Balliu et al, 2007).…”

Section: Yield Attributesmentioning

confidence: 97%

Determination of Effective Method of NPK Fertilization in Pea (Pisum sativum L.) Cultivars Grown in Pakistan

Sarfraz

Hussain

Nawaz

et al. 2020

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Background: Nitrogen, phosphorus and potassium (NPK) are amongst the fundamental macronutrients, which are crucial for the growth and development plants. There is lack of information for the most effective method for NPK fertilization in pea cultivars grown in Pakistan. In most of the cases, NPK is applied as soil application rather than foliar spray. Methods: Experiments were conducted to find out the most effective method of NPK fertilization i.e. soil application or foliar spray on three pea cultivars (Aleena, Climax and Meteor). Experiment was arranged in a completely randomized design with 4 replicates and data was recorded at different growth stages. Result: Soil and foliar spray of NPK showed significant results for the enhancement of root and shoot development, foliage growth, relative growth rate (RGR), net assimilation rate (NAR), photosynthetic pigments, total carbohydrate contents and soluble proteins. Antioxidant activities i.e. catalases (CAT), peroxidase (POD) and yield attributes increased significantly with NPK applications. NPK foliar application showed better result only for the higher relative growth rate (RGR) and net assimilation rate (NAR). It was noted that NPK soil applications were more effective for the improvement of growth, quality and yield of pea as compared to foliar spray. Climax and Aleena cultivars were better in relation to growth, quality and yield than Meteor with soil NPK application. Changes in antioxidant activities by NPK significantly increased the defense mechanism in plants resulted improved in plant metabolism that increased the growth, yield and quality of pea. It was concluded that soil application of NPK was more effective for higher productivity of pea than foliar use.

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“…The entire process must guarantee fast germination, suitable growth rate, optimum root to shoot ratio, good stand establishment capabilities and high yield potential of new plantlets. Various techniques can be used to achieve these goals, including seed priming (Sallaku et al, 2020), nutrient conditioning (Balliu et al, 2007a;Balliu et al, 2007b), inoculation of beneficiary microorganisms (Babaj et al, 2014;Veselaj, 2018), the use of external plant hormones (Balliu and Sallaku, 2017), selection of appropriate rootstock-scion combinations and choice of best suited grafting technique (Balliu et al, 2008;Sallaku et al, 2019), etc.…”

Section: Introductionmentioning

confidence: 99%

Mixing Hydrogel Granules into Peat Substrate Improves Germination and Enhances Growth and Physiological Performance of Tomato Seedlings

Balliu

Haxhiu

Sallaku

2022

Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.

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The effects of hydrogel granules mixed with peat substrate on germination, morphological and physiological parameters of plugged seedlings were tested in tomato seedlings, at two different irrigation regimes. Due to hydrogel presence, the germination speed was increased, whereas mean germination time was significantly reduced. Slight improvement was recorded regarding final germination, but no effect was found regarding the synchronisation index and seedling vigour index. Due to addition of hydrogel granules a significant increase occurred in dry matter of shoots and plants. No effect was found regarding dry matter of roots, but the presence of hydrogel granules significantly reduced the length of tap root. Interestingly, stomata conductance and chlorophyll index were higher than in control plants. No statistically significant interaction was found between hydrogel variants and irrigation frequency, i.e., the effect of different levels of hydrogel variants did not depend on irrigation frequency. Therefore, we recommend mixing hydrogel capsules into the substrate of plug seedlings to improve the morphological and physiological parameters of seedlings and reduce water and fertiliser leaching into the environment.

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The Effect of Major Nutrients (Npk) on the Growth Rate of Pepper and Eggplant Seedlings

Cited by 4 publications

References 0 publications

Growth and Morphological Responses of Duckweed to Clonal Fragmentation, Nutrient Availability, and Population Density

Growth and Morphological Responses of Duckweed to Clonal Fragmentation, Nutrient Availability, and Population Density

Determination of Effective Method of NPK Fertilization in Pea (Pisum sativum L.) Cultivars Grown in Pakistan

Mixing Hydrogel Granules into Peat Substrate Improves Germination and Enhances Growth and Physiological Performance of Tomato Seedlings

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