Thinning with NAA, NAD, ethephon, urea and by hand to improve fruit quality of 'Gerdi' apricot

Taghipour, Leila; Rahemi, Majid; Assar, Pedram

doi:10.1590/s1677-04202011000400005

Cited by 9 publications

(10 citation statements)

References 14 publications

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“…However, GA3 (100, 125)mg.l -1 in combination with NAA (50,100) mg.l -1 gave maximum value of oil of olive trees cv. The obtained results are in parallel with Taghipour et al (2011) who found that the treatment (acid boric at 100 mg/l and Urea at 500 mg/l) resulted in the highest oil content of olive.…”

Section: Effect Of Thinning Agents On Oil Content Of Manzanillo and Esupporting

confidence: 87%

“…applied on the earliest of the dates selected (8 and 12) days after full bloom increased fruit weight by reducing crop density and enhancing the leaf to fruit ratio, without reducing yield. Taghipour et al (2011) found that NAA at 20 and 40 mg L -1 increased fruit weight, while Urea was effective at all concentrations in both years.…”

Section: Effect Of Thinning Agents On Fruit Weight (G) Of Manzanillo mentioning

confidence: 84%

“…reduce alternate bearing severity as compared with untreated trees during the four seasons of study. Taghipour et al (2011) using three levels of boric acid (0, 50, and 100 mg/l) and Urea (0, 500, and 1000 mg/l). The results showed that application of Urea mixed with boric acid significantly increased fruit weight.…”

Section: Effect Of Thinning Agents On Fruit Weight (G) Of Manzanillo mentioning

confidence: 99%

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Effect of Some Chemical Thinning Agents on Fruit Quality and Oil Content of Manzanillo and Eggizi Shami Olive Cultivars

Hegazi

Hegazı

Kholly

2017

Journal of Plant Production

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The present investigation was conducted for two successive seasons (2009)(2010) on two olive cultivars (Manzanillo and Eggizi Shami) at a private orchard in the Alex desert road. The aim of study is to investigate the effect of some chemical thinning agents GA3 at concentrations (100,150 and 200 p.p.m), NAA at (100,150 and 200 p.p.m) and Urea at (4, 6, 8 and 10%) on fruit characteristics (fruit length, diameter and weight) and oil content. Chemicals were sprayed at full bloom, five days after full bloom, ten days after full bloom and fifteen days after full bloom. The obtained results showed that chemical thinning agents GA3, NAA and Urea are effective in improving fruit quality and oil content in both studied cultivars. It is applicable to spray Urea as a chemical thinning agent at 4% at ten days after full bloom because it is cheap, effective and as a source of nitrogen supply.

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Section: Effect Of Thinning Agents On Oil Content Of Manzanillo and Esupporting

confidence: 87%

Section: Effect Of Thinning Agents On Fruit Weight (G) Of Manzanillo mentioning

confidence: 84%

Section: Effect Of Thinning Agents On Fruit Weight (G) Of Manzanillo mentioning

confidence: 99%

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Effect of Some Chemical Thinning Agents on Fruit Quality and Oil Content of Manzanillo and Eggizi Shami Olive Cultivars

Hegazi

Hegazı

Kholly

2017

Journal of Plant Production

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“…Nevertheless, other than the genetic factors, there are many other factors that might increase the fruit weight such as pruning, thinning, increased irrigation, fruit water accumulation during the enlargement of mesocarp cells, nitrogen, urea, macromineral availability (e.g., especially of K and P, but also of Ca and Mg), and phytohormones (e.g., gibberellic acid or gibberellin) [29][30][31][32][33][34][35][36][37][38][39][40][41][42]. Some of these factors are obviously interrelated, but many may also be confounding.…”

Section: Cubiu Fruit Weight During Ripeningmentioning

confidence: 99%

Nutrients of Cubiu Fruits (<i>Solanum sessiliflorum</i> Dunal, Solanaceae) as a Function of Tissues and Ripening Stages

Andrade¹,

Andrade²,

Costa³

et al. 2017

JFNR

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Cubiu fruits (Solanum sessiliflorum Dunal, Solanaceae) are nutritionally dense. However, most studies have investigated cubiu nutrients in whole fruits. This study evaluated cubiu fruit nutrients as a function of different tissues (peel, pulp, and placenta) and ripening stages (green, turning, ripe, and fully ripe). Fruits (n = 118) were harvested to investigate weight, macronutrients (moisture, ash, proteins, lipids, carbohydrates, and energy) and selected macrominerals-calcium (Ca), magnesium (Mg), phosphorus (P), and potassium (K). Analyses were performed at the Instituto Nacional de Pesquisas da Amazônia (INPA), Brazil. Macronutrient results were expressed in g/100 g fresh weight, macrominerals as g/kg fresh weight. Fruit weight increased throughout ripening. Moisture reached a maximum value (91.77) in the fully ripe pulp. Ash displayed a maximum value (0.86) in the fully ripe placenta. Energy reached a maximum value (356.66 kJ, 86.57 kcal) in the fully ripe placenta. Carbohydrates decreased from the peel to the placenta (lowest values). K exhibited a maximum value (42.257) in the green pulp. The P peaked in ripe pulp (24.450) and placenta (21.240). In the ripe placenta, Ca had a maximum value (7.860) followed by Mg (7.573). This detailed knowledge of the edible parts of ripening cubiu fruits will broaden their use in health and disease.

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“…Unfruitfulness in olive has frequently been observed which may be attributed to numerous factors. Some of them are probably related to the internal imbalance of growth regulators and other physiological factors (Taghipour et al, 2011 andBirger et al, 2008). Biennial bearing is a major horticultural and economical drawback of olive cultivation, which particularly affects the olive oil industry (Dag et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Effect of Two Stimulating Substances on Fruiting and Fruit Quality of Picual and Manzanillo Olive Cultivars.

2014

Annals of Agricultural Science, Moshtohor

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This study was carried out through 2012 and 2013 seasons to study the effect of mono-potassium phosphate (MKP) 0.3% and Hokley alpha (naphthalene acetic acid (NAA 0.45%) + naphthalene acetamide (NAD 1.2%) as foliar application on fruiting and fruit quality of "Picual" and "Manzanillo" Picual and Manzanillo olive cvs. planted in a private farm in an orchard 9 years pld at Cairo Alexandria Desert Road planted at 4X 6 meters apart. Most tested treatments revealed positive effects and improved fruit set, yield, fruit characters and fruit oil content. Moreover, the tested treatments reduced the number of dropped fruits and improved fruit retained. The most effective treatment was the spray of MKP at 1 st February + Hokley alpha (NAA + NAD) before flowering then at 40 % flowering through enhancing tree yield and oil content, moreover besides reducing alternate bearing.

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Thinning with NAA, NAD, ethephon, urea and by hand to improve fruit quality of 'Gerdi' apricot

Cited by 9 publications

References 14 publications

Effect of Some Chemical Thinning Agents on Fruit Quality and Oil Content of Manzanillo and Eggizi Shami Olive Cultivars

Effect of Some Chemical Thinning Agents on Fruit Quality and Oil Content of Manzanillo and Eggizi Shami Olive Cultivars

Nutrients of Cubiu Fruits (<i>Solanum sessiliflorum</i> Dunal, Solanaceae) as a Function of Tissues and Ripening Stages

Effect of Two Stimulating Substances on Fruiting and Fruit Quality of Picual and Manzanillo Olive Cultivars.

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