Metabolism and Efficiency of Phosphorus Utilization During Senescence in Pepper Plants: Response to Nitrogenous and Potassium Fertilization

Baghour, Mourad; Sánchez, Esteban; Ruiz, Juan M.; Romero, Luís

doi:10.1081/pln-100107309

Cited by 15 publications

(10 citation statements)

References 29 publications

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“…The increase in dry matter yield of fruits with increasing level of nitrogen and phosphorus fertilizers conforms with the result of that dry matter yield of pepper fruits is directly correlated with the amount of nutrient supplied to the plant [40]. This result is in agreement with the observed of with the vegetative growth yield and quality of pepper significantly improved through nitrogen and phosphorus fertilization [40].…”

Section: Marketable Yield and Unmarketable Yield And Totalsupporting

confidence: 87%

Response of Hot Pepper (<i>Capsicum annuum</i> L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Assefa¹,

Girma²,

Deresa³

2020

AJBIO

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Hot Pepper is an important food and cash crop in eastern Ethiopia including Daro labu and Boke Districts of West Hararghe Zone. A field experiment was conducted in Daro labu and Boke Districts, under rainfed during 2016-2017 cropping season, with the objectives of to determine the influence of NP fertilizers rates and method of planting on the yield and yield components of hot pepper and to estimate the cost-benefit of application fertilize rates and planting method in hot pepper production. Mareko fana variety, which is the dominant hot pepper variety produced in the area was used as planting material for the study, The treatments consisted of five combined rates of Nitrogen and phosphorus (0/0, 41/46, 61/69, 82/92 and 102/115 kg level of N/P 2 O 5 ha-1) and three methods of planting (broadcasting, drilling and transplanting method) were used. The experiment was laid out as a randomized complete block design in a 5 x 3 factorial arrangement and replicated three times. From the combined analysis of variance over the location, the result revealed that the two main factors fertilizer rates and planting method had a significant effect on all traits, except that fertilizer and planting method had a non-significant effect on fruit diameter, from interaction effect of fertilizer rates and planting methods, the highest mean of plant height (64.24cm), canopy diameter (44.15cm) and fruit number (26.70) per plant were obtained from 102/115kg N/P ha-1 in combined with drilling planting method. The highest fruit length (9.33cm), diameter (3.92), weight (2.82 gm), marketable (2.05t/ha) and total yield (2.26 t/ha) were recorded from plots that received 102/115 kg N/P ha-1 fertilizers combined with drilling planting method, while the lowest dry pod yield (0.55t/ha) was obtained from plot received control 0/0 kg NP ha-1 combined with transplanting method. While the highest unmarketable fruit yield (0.42 t/ha) was recorded from control (0/0) with the broadcasting method. Moreover, Partial budget analysis result has shown that application of 102/115 kg N/P ha-1 fertilizer rate with combined with drilling planting method was found to be economically viable with net income 71572.25 of Birr ha-1 with 265.28% marginal rate of return was obtained from the application of 102/115 kg N/P ha-1 fertilizer rate combined with drilling sowing method. Therefore, it could be recommended for the production of hot pepper crops in the study area and similar agro ecology.

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Section: Marketable Yield and Unmarketable Yield And Totalsupporting

confidence: 87%

Response of Hot Pepper (<i>Capsicum annuum</i> L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Assefa¹,

Girma²,

Deresa³

2020

AJBIO

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“…3). Baghour et al (2001) showed that increasing K fertilization resulted in reduced concentrations of inorganic, organic, and total P. Nitrogen and P are highly mobile, and thus N or P concentrations are lower in old leaves in N-or P-deficient plants (Mengel and Kirby, 1982). However, N and P concentrations are higher in the 14th leaf than the sixth leaf ( Fig.…”

Section: Resultsmentioning

confidence: 99%

Potassium Nutrition Affects Leaf Growth, Anatomy, and Macroelements of Guzmania

Lin¹,

Yeh²

2008

horts

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Guzmania lingulata (L.) Mez. ‘Cherry’ plants were grown in coconut husk chips. All plants were given 8 mm nitrogen (N), 2 mm phosphorus (P), 4 mm calcium (Ca), and 1 mm magnesium (Mg) at each irrigation with potassium (K) concentration at 0, 2, 4, or 6 mm. After 9 months, K concentration did not alter the number of new leaves, and shoot and root dry weights. Increasing K concentration did not affect the length but increased the width of the most recently fully expanded leaves (the sixth leaves). Plants under 0 K exhibited yellow spots and irregular chlorosis on old leaves being more severe at the middle of the blade and leaf tip. Numbers of leaves with yellow spots or chlorosis decreased with increasing K concentration. Chlorenchyma thickness was unaffected by K concentration, whereas water storage tissue and total leaf thickness increased with increasing K concentration. Leaf N concentration in the sixth or 10th leaf was unaffected by solution K concentration. However, plants at 0 mm K had higher N concentration in the 14th leaf than those in sixth and 10th leaves. Leaf P, Ca, and Mg concentrations decreased with increasing solution K concentration. K concentrations were higher in the sixth leaf than the 14th leaf in plants at 0, 2, or 4 mm K, whereas leaf K concentration was 15 g·kg−1 on dry weight basis in the sixth, 10th, or 14th leaves in plants treated with 6 mm K.

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“…In general, higher production is obtained when N rates in the rhizosphere medium are increased, until a level where production per plant responds curvilinearly to N rate. 18,19 Also, K + has been shown to increase pepper yield, 20 and an adequate K + content in the cytoplasm is required for N metabolism. 21 Finally, calcium fertiliser applications have been shown to decrease blossom-end rot incidence.…”

Section: Introductionmentioning

confidence: 99%

Influence of Ca²⁺, K⁺ and NO₃⁻ fertilisation on nutritional quality of pepper

et al. 2004

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A study was conducted in order to assess the effect of different fertilisation levels of Ca 2+ , K + and NO 3 − on the bioactive nutrient content in red pepper (Capsicum annuum L) fruits. The experiment was carried out in a greenhouse, under hydroponic culture. Lycopene, β-carotene, vitamin C, total phenolic compound, sugar, nitrate and potassium contents and antioxidant activity were determined. Increasing Ca 2+ and NO 3 − concentrations in the root medium increased the lycopene and β-carotene contents in pepper. Antioxidant activity was determined in the hydrophilic (HAA) and lipophilic (LAA) fractions. HAA was increased by intermediate and high Ca 2+ concentrations in the culture medium. However, LAA was raised only by NO 3 − treatments. Vitamin C, sugar and total phenolic acid contents were not affected by Ca 2+ or NO 3 − treatments. K + treatments had no effect on nutritional quality of pepper. An increased supply of Ca 2+ and NO 3 − in the culture medium could constitute a useful practice for improving the nutritional attributes of pepper as well as its commercial quality.

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Metabolism and Efficiency of Phosphorus Utilization During Senescence in Pepper Plants: Response to Nitrogenous and Potassium Fertilization

Cited by 15 publications

References 29 publications

Response of Hot Pepper (<i>Capsicum annuum</i> L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Response of Hot Pepper (<i>Capsicum annuum</i> L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Potassium Nutrition Affects Leaf Growth, Anatomy, and Macroelements of Guzmania

Influence of Ca²⁺, K⁺ and NO₃⁻ fertilisation on nutritional quality of pepper

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Metabolism and Efficiency of Phosphorus Utilization During Senescence in Pepper Plants: Response to Nitrogenous and Potassium Fertilization

Cited by 15 publications

References 29 publications

Response of Hot Pepper (&lt;i&gt;Capsicum annuum&lt;/i&gt; L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Response of Hot Pepper (&lt;i&gt;Capsicum annuum&lt;/i&gt; L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Potassium Nutrition Affects Leaf Growth, Anatomy, and Macroelements of Guzmania

Influence of Ca2+, K+ and NO3− fertilisation on nutritional quality of pepper

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Product

Resources

About

Response of Hot Pepper (<i>Capsicum annuum</i> L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Response of Hot Pepper (<i>Capsicum annuum</i> L.) as Affected by NP Fertilizer and Planting Method on Yield and Yield Related Traits in West Hararghe Zone, Eastern Ethiopia

Influence of Ca²⁺, K⁺ and NO₃⁻ fertilisation on nutritional quality of pepper