Application of some bloom thinning techniques to overcome alternate bearing in pistachio (Pistaciavera L.)

Kamiab, Fereshteh; Rasouli, Pargol; ZamaniBahramabadi, Elaheh

doi:10.1007/s13580-019-00187-9

Cited by 7 publications

(4 citation statements)

References 15 publications

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“…Such a strong resource limitation during spring is likely the main cause of the lower leaf area of bearing branches with respect to non-bearing branches (Fig. 9), as previously reported for pistachio (Kamiab et al, 2020).…”

Section: Discussionsupporting

confidence: 76%

See 1 more Smart Citation

Modeling seasonal branch carbon dynamics in pistachio as a function of crop load

Marino

Guzmán‐Delgado

Caruso

et al. 2022

Scientia Horticulturae

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Section: Discussionsupporting

confidence: 76%

“…Pruning can influence sinksource ratio and has been very effective in reduce alternate bearing (Elloumi et al, 2014;Ferguson et al, 1995;Zhang and Ranford, 2018). Research has also shown positive effects of thinning on pistachio alternate bearing (Kamiab et al, 2020), however this practice is not adopted by growers.…”

Section: Discussionmentioning

confidence: 99%

Modeling seasonal branch carbon dynamics in pistachio as a function of crop load

Marino

Guzmán‐Delgado

Caruso

et al. 2022

Scientia Horticulturae

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“…Additionally, a recent study reported significantly larger fruit weight and size in bloom-thinned trees at harvest, along with a lower yield and number fruits per tree, compared with untreated trees (Allen et al, 2021). The increase in fruit weight in bloom-thinned trees due to reduced inter-fruit competition in each flower cluster (Shin et al, 2019;Stover et al, 2001;Kamiab et al, 2020). Additionally, a significant increase in fruit weight by lime sulfur application was also reported in 'Gamhong' apple (Yoo et al, 2016;Yoo et al, 2019).…”

Section: Effect Of Bloom Thinning On the Number Of Fruits Per Tree Yi...mentioning

confidence: 89%

Effects of Bloom Thinning with Lime Sulfur on Fruit Set, Yield, and Fruit Quality Attributes of ‘RubyS’ Apples

Win,

Lee,

Park

et al. 2022

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Bloom thinning is an important practice that influences the profitability of the orchard. Hence, we assessed the effect of chemical bloom thinning on thinning efficiency and fruit quality of 'RubyS' apples. Lime sulfur was applied as a bloom thinning agent at 1, 1 + 3, and 2 + 4 days after full bloom (DAFB), and non-bloom thinning trees were used as controls. Compared to the control and bloom thinning treatments at 1 DAFB and 2 + 4 DAFB, the application of bloom thinning at 1 + 3 DAFB greatly decreased the number of fruits per cluster in both terminal and lateral flowers. Although the application of bloom thinning at 2 + 4 DAFB decreased the number of fruits per cluster in the terminal flower, it did not affect the number of fruits per cluster in the lateral flower when compared to the control. At harvest, the number of fruits per tree (fruits/ tree) and yield (kg/ tree) was significantly higher in control trees than in bloom-thinned trees. However, fruit quality attributes including fruit weight and size, flesh firmness, soluble solids content, area of red-blushed surface, and a* value in the fruit were significantly improved by bloom thinning at 1 + 3 DAFB. Therefore, this study suggested that applying bloom thinning at 1 + 3 DAFB could serve as an effective thinning treatment to manage crop load in trees and improve the quality of 'RubyS' apple fruits.

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“…적화제로는 석회유황합제(lime sulfur)가 적용되고 있으나 (Guak et al, 2002;Chun et al, 2012) 사용 방법 및 개화 정도에 따라 효과가 차이를 보이며 (Yoo et al, 2016;Kamiab et al, 2020;Win et al, 2022), 또한 처리농도와 처리 횟수가 증가하면 과실의 동녹과 엽소장해가 발생하는 경우도 있다고 보고되었다 (Jang et al, 1998;Dennis, 2000). 또한 국내에서는 fatty alcohol의 종류 중 하나인 octyl alcohol이 적화제로서 효과가 있다고 보고되었다 (Yoo et al, 2019).…”

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Effect of Fatty Alcohol and 6-Benzyladenine on Fruit Set and Fruit Quality of ‘Fuji’ Apples

Shin,

Yoo,

Kim

et al. 2023

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This study was investigated the effect of fatty alcohol (FA) and 6-benzyladenine (6-BA) thinning treatments on the fruit set and fruit quality attributes of 'Fuji/M.9' apples. Trees were treated with FA (single, ×500 dilution), FA (double), 6-BA (×1,000 dilution), 6-BA (×500 dilution), FA (single) + 6-BA (×1,000 dilution), FA (double) + 6-BA (×500 dilution), and carbaryl. FA (80.5% a.i.) treatment was applied at 80% blossom of terminal flowers and 60-80% blossom of lateral flowers, and 6-BA (7.4% a.i.) and carbaryl treatments were applied at 8-mm size of central fruit. The total fruit set rate per cluster was observed 61.0% for terminal flowers and 37.3% for lateral flowers in the control but it was decreased to 35.2-50.6% for terminal flowers and 9.7-23.8% for lateral flowers in the thinning treatments, respectively. The rate of central fruit per terminal flower cluster was observed 92.6% in the control but it was 65.2-94.4% in FA and 6-BA treatments. However, the rate of non-fruit set per terminal flower cluster was observed 2.9% in the control but it was increased to 7.5 -14.2% in the thinning treatments, and the rate of one fruit set per terminal flower cluster was 14.1% in the control but it was increased to 20.6-33.9% in the thinning treatments. In addition, the rate of non-fruit set per lateral flower cluster was observed 19.6% in the control but it was decreased to 32.2 -69.0% in the thinning treatments. The fruit quality attributes were not different in all treatment groups at harvest, except fruit weight. Therefore, our results reveal that FA and 6-BA treatments have the significant effects in reducing the fruit rate in 'Fuji' apple.

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Application of some bloom thinning techniques to overcome alternate bearing in pistachio (Pistaciavera L.)

Cited by 7 publications

References 15 publications

Modeling seasonal branch carbon dynamics in pistachio as a function of crop load

Modeling seasonal branch carbon dynamics in pistachio as a function of crop load

Effects of Bloom Thinning with Lime Sulfur on Fruit Set, Yield, and Fruit Quality Attributes of ‘RubyS’ Apples

Effect of Fatty Alcohol and 6-Benzyladenine on Fruit Set and Fruit Quality of ‘Fuji’ Apples

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