IMPROVEMENT IN YIELD AND QUALITY OF KINNOW (<i>CITRUS DELICIOSA</i>X<i>CITRUS NOBILIS</i>) BY POTASSIUM FERTILIZATION

Ashraf, Muhammad; Gul, Attiya; Hussain, F.; Ebert, G.

doi:10.1080/01904167.2010.496887

Cited by 56 publications

(45 citation statements)

References 12 publications

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“…Physiological fruit drop remained dominant just after fruit-setting till cell division stage, whereas pathological fruit drop continued July till harvesting (Kumar et al, 2011). Excessive premature fruit drop was linked with environmental factors; plant nutrition and water requirement (Ibrahim et al, 2007;Ashraf et al, 2010) and pests pressure (Razi et al, 2011). In all three districts, physiological drop (April-May) was recorded as maximum when fruit cell division phase is ongoing just after fruit-setting, followed by intense heat-wave to increase plant water requirement as require to compensate carbohydrates (sink-source relation).…”

Section: Resultsmentioning

confidence: 99%

Influence of varying environmental conditions on biennial bearing habit of Kinnow fruit (Citrus nobilis Lour x C. deliciosa Tenora) grown at different clusters in the Punjab province, Pakistan

Nawaz¹,

Abbasi²,

Hafiz³

et al. 2019

Citrus Res. Technol.

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Section: Resultsmentioning

confidence: 99%

Influence of varying environmental conditions on biennial bearing habit of Kinnow fruit (Citrus nobilis Lour x C. deliciosa Tenora) grown at different clusters in the Punjab province, Pakistan

Nawaz¹,

Abbasi²,

Hafiz³

et al. 2019

Citrus Res. Technol.

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“…Berhow (2000) found that early foliar spray treatments of 100 mg/L GA3 on grape fruit (Citrus paradisi) significantly lowered the concentration of the bitter Flavonoid naringin in grapefruit fruit tissues. Ashraf et al, (2010) reported that foliar supply of K enhanced the TSS of Kinnow juice. The present results are in a general harmony with Shaaban et al (2006), who found that juice TSS content increased significantly with increasing applied potassium on Washington navel orange trees.…”

Section: Resultsmentioning

confidence: 99%

APPLICATION OF PLANT GROWTH REGULATOR AND POTASSIUM NITRATE TO IMPROVE THE QUALITY AND YIELD IN WASHINGTON NAVEL ORANGES (Citrus sinensis)

Muhammad

Haque

Ashraf

et al. 2018

World J. Biol. Biotechnol.

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Fruit yields of traditional navels like Washington Navels are lower as compared to other sweet oranges due to low fruit set and quality problems like creasing. Effect of plant growth regulator and Potassium (GA3 and KNO3) alone and in combination were tested in Sargodha, Punjab conditions at full bloom stage of Washington navel oranges. Impact of these treatments was tested on fruit yield, quality and to reduce the physiological disorder; incidence of creasing. Fruit set and yields were increased over non-treated trees, while combine treatment of GA3 and KNO3 (GA3 25% and KNO3 2%) had best results in fruit yields and quality i.e. fruit weight, size, TSS, acidity and other qualitative characteristics of the fruit. Creasing was effectively minimized by spraying plant in combination of GA3 and KNO3, thus reducing the quantitative and qualitative post-harvest fruit losses.

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“…Therefore, the improvement of fruit set, size, quality (i.e. ascorbic acid content, total soluble solid content) and storage properties has been achieved by applying K under de fi cient K soil conditions (Ashraf et al 2010 ) . These are some examples of the role of nutrient for fruit set and development.…”

Section: Mineral Nutrition and Fruit Setmentioning

confidence: 99%

Nutrient-Hormone Interactions in Citrus: Physiological Implications

Gravina

Gambetta

Rivas

2012

Advances in Citrus Nutrition

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Growth and development in woody perennial plants has many differences regarding to annual crops. After overcoming the juvenile stage, in which species are not able to produce fl owers, each annual cycle in perennials give rise to one or more fl ushes of vegetative and reproductive growth.Under tropical conditions, Citrus annually brings about several sprouting and blooms, whereas growing in temperate climates, only the spring fl ush is reproductive. In temperate zones, although several fl ushes of growth may occur, these are mostly vegetative. The exception is provided by lemon trees ( C . limon [L.] Burm.), which give rise to reproductive and vegetative shoots throughout the year.Vast information is available relating nutrition and water supply with fl owering and fruiting of Citrus . However, less information matching the controlling role of nutrients, carbohydrates, water and hormones during the developmental process is available. Therefore, hormonal and nutritional control of some Citrus developmental processes, with special emphasis on fl oral induction, fruit set, fruit development and maturation of Citrus has been focused in this chapter. AbstractCitrus growth and development is regulated by complex but subtly tuned nutritional and hormonal interaction in response to environmental signalling. Flower induction is stimulated by low temperatures and water stress and mediated by previous fruit load, being endogenous gibberellins (GAs) content pointed as the main inhibiting hormones. The promoting role of carbohydrates or nitrogen (N) on fl owering has not been demonstrated, but a minimum content of these compounds seems to be required for fl ower formation. Fruit set is a critical step for fruit production, being initially regulated by GAs content. Thereafter, during the onset of the source-sink competition, fruit set depends upon carbohydrates and N availability and fruitlets sink strength. During stage II of fruit development, fruit growth is promoted by auxins, carbohydrates and water accumulation. Afterwards, peel colour development, which is stimulated by low temperatures, is promoted by the decline of fl avedo's GAs content and the steady-state level of ethylene, as carbohydrates and abscisic acid (ABA) increase and N decrease during this fi nal stage.

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IMPROVEMENT IN YIELD AND QUALITY OF KINNOW (CITRUS DELICIOSAXCITRUS NOBILIS) BY POTASSIUM FERTILIZATION

Cited by 56 publications

References 12 publications

Influence of varying environmental conditions on biennial bearing habit of Kinnow fruit (Citrus nobilis Lour x C. deliciosa Tenora) grown at different clusters in the Punjab province, Pakistan

Influence of varying environmental conditions on biennial bearing habit of Kinnow fruit (Citrus nobilis Lour x C. deliciosa Tenora) grown at different clusters in the Punjab province, Pakistan

APPLICATION OF PLANT GROWTH REGULATOR AND POTASSIUM NITRATE TO IMPROVE THE QUALITY AND YIELD IN WASHINGTON NAVEL ORANGES (Citrus sinensis)

Nutrient-Hormone Interactions in Citrus: Physiological Implications

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