Effect of Row Spacing and Level of NPK on Growth and Yield of Fennel (<i>Foeniculum vulgare</i>)

Waskela, Prakash; Naruka, I. S.; Shaktawat, R. P. S.

doi:10.5958/2349-4433.2017.00055.1

Cited by 8 publications

(19 citation statements)

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“…Previous studies also showed that N, P, and K levels were positively correlated with chlorophyll content in fennel [24,55]. The improvement in vegetative parameters as a result of the application of NPK may result in more extensive canopy growth and increased chlorophyll content as nutrients actively contribute to its formation [55], and thus increased carbohydrate content. Potassium plays a prominent role in increasing the chlorophyll content in plant tissues and processes closely related to photosynthesis, thus improving the efficiency of photosynthesis and increasing the accumulation of carbohydrates [59].…”

Section: Discussionmentioning

confidence: 84%

“…The chlorophyll content is an indicator of the plant's nutrient availability and the plant's health status [58]. Previous studies also showed that N, P, and K levels were positively correlated with chlorophyll content in fennel [24,55]. The improvement in vegetative parameters as a result of the application of NPK may result in more extensive canopy growth and increased chlorophyll content as nutrients actively contribute to its formation [55], and thus increased carbohydrate content.…”

Section: Discussionmentioning

confidence: 99%

“…The highest significant value of plant height was measured for plants fertilized with NPK150. Waskela et al [55] observed that plant height, biomass weight, and the number of branches were improved by increasing NPK rates in sweet fennel plants. A positive correlation was observed between plant height and content of N, P, K, and carbohydrates in fennel plants under different treatments (Figure 4).…”

Section: Discussionmentioning

confidence: 99%

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Effect of Organic and Bio-Fertilization on Fruit Yield, Bioactive Constituents, and Estragole Content in Fennel Fruits

et al. 2023

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Fennel fruits (Foeniculum vulgare Mill.) represent one of the plant-based natural spices. This study aims to improve the fruit yield and essential oil (EO) quality by reducing the undesirable component, estragole, under different fertilizer treatments. The fertilizers included chemical nitrogen, phosphorus, and potassium (NPK), and also the organic additive, rabbit manure (RM). For bio-fertilization, plants were inoculated with a mixture of N-fixing bacteria, and P- and K-solubilizing bacteria with/without vesicular-arbuscular mycorrhizal fungi. The results showed that fruit and EO yield parameters, total phenolic content (TPC), total flavonoid content (TFC), and DPPH scavenging activity of fruit extracts were enhanced by fertilizer treatments in both growing seasons. NPK at 150% of the recommended dose (NPK150) and RM at 60 m3/fed (RM60) recorded the highest values of plant height, umbel number/plant, 100-fruit weight, fruit yield, chlorophyll, carbohydrates, N and P content, EO content, and yield. TPC and TFC were enhanced by using biological fertilizers. DPPH scavenging activity was higher in organically and biologically fertilized fennel. The GC-MS analyses of EO revealed higher contents of the desirable trans-anethole in the organically and chemically fertilized fennel. However, the highest proportion of estragole, the undesirable compound, was recorded for NPK150 and unfertilized plants. On the contrary, increases in the EO content and yield of fennel fruits were achieved by RM along with a reduction in estragole, enhancement in trans-anethole, and increments in other favorable compounds such as fenchone and limonene. In addition, the inhibition of estragole formation was recorded with bio-fertilizers, which also increased the trans-anethole content. Furthermore, the trans-anethole/estragole ratio was significantly higher with the application of organic and bio-fertilization. Hence, organic and bio-fertilizer resources can produce high-quality fennel fruit and EO. The reduction in the use of chemical fertilizers can help to reduce environmental pollution.

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Section: Discussionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of Organic and Bio-Fertilization on Fruit Yield, Bioactive Constituents, and Estragole Content in Fennel Fruits

et al. 2023

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“…Yousuf et al (2014) mentioned that N, P, K and S at 70, 50, 30 and 20 kg / ha gave the highest seed yield of coriander. Waskela et al (2017) found that NPK at 60+60+40 kg/ ha exhibited significant maximum yield of fennel. Al -Mansour et al (2018) showed that the higher essential oil % and yield of sweet basil resulted from 10 t/ha FYM +NPK (160+30+80kg /ha).…”

Section: Effect Of Npk Doses Used Stimulants and Their Interaction On Seed Yield Essential Oil And Chemical Compositionmentioning

confidence: 90%

“…He added that the effect of N and P may belong to role of them in accumulation of chlorophyle material which very important in photosynthesis process and other physiological processes in plant. Likewise, Waskela et al (2017) cleared that 60+40+40 NPK kg ha -1 exhibited significant maximum growth, yield attributes, yield and quality of fennel. Additionally, Al-Mansour et al (2018) revealed that application of recommended FYM (10 t ha -1 ) along with recommended NPK (160:80:80 kg ha -1 ) recorded the highest fresh herbage yield of sweet basil.…”

Section: Effect Of Npk Doses Used Acids and Their Interaction On Vegetative And Flowering Parametersmentioning

confidence: 91%

Response of Foeniculum Vulgare Plant to NPK Doses and Some Biostumulants

El-Mahrouk

Abido

Radwan

et al. 2020

Journal of the Advances in Agricultural Researches

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Foeniculum Vulgare Mill (family Apiaceae) is a strong aromatic and medicinal plant. It used for various proposes i.e., in food, cosmetic and medicinal industries. Therefore,field experiment was conducted during 2016/2017 and 2017/2018 seasons in private Farm at Maghnin village, Koum Hamada city, Elbehera Governorate, Egypt, to study the response of fennel plant to NPK doses and some biostumulants. The experiment was setup as a split plot design, whereas NPK doses ( 25, 50, 75, 100% from suggested dose which was 150, 150 and 50 kg/fed of ammonium sulphate, calcium superphosphate and potassium sulphate, respectively) were as main plots, and biostumulants treatments (ascorbic, salicylic and tryptophan acids )were arranged as sub plots. The obtained results indicated that 100% NPK dose gave significant increases in vegetative growth and flowering traits weight of 100 fruits, essential oil %, yield/pant and chemical composition parameters under study (N,P,K and carbohydrate % ) while 75% NPK dose achieved a significant higher fruit yield/plant. Application of 100 mg/l of each ascorbic, salicylic and tryptophan acids together was the most effective treatment in increasing the values of vegetative growth and flowering traits, yield of seeds, essential oil production and chemical composition parameters in comparison to the other treatments of such acids. While the interaction treatment of 100% NPK dose combined with 100 mg/l of each used acids together recorded higher significant values of such parameters mentioned before in two seasons.

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Morphological and phenological characteristic, oil yield, quality and economics of Lemon bee balm ( Monarda citriodora Cerv. ex-Lag) at diverse environment condition, India

Jeet,

Verma,

Yadav

et al. 2024

Journal of Essential Oil Bearing Plants

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Effect of Row Spacing and Level of NPK on Growth and Yield of Fennel (Foeniculum vulgare)

Cited by 8 publications

References 0 publications

Effect of Organic and Bio-Fertilization on Fruit Yield, Bioactive Constituents, and Estragole Content in Fennel Fruits

Effect of Organic and Bio-Fertilization on Fruit Yield, Bioactive Constituents, and Estragole Content in Fennel Fruits

Response of Foeniculum Vulgare Plant to NPK Doses and Some Biostumulants

Morphological and phenological characteristic, oil yield, quality and economics of Lemon bee balm ( Monarda citriodora Cerv. ex-Lag) at diverse environment condition, India

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