Alternate Bearing in Olive - A Review

Kour, Darpreet; Bakshi, Parshant; Wali, V. K.; Sharma, Nirmal; Sharma, A.; Iqbal, Mudassir

doi:10.20546/ijcmas.2018.709.283

Cited by 20 publications

(6 citation statements)

References 39 publications

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“…The olive tree is widely known for its strong tendency for alternate bearing, with higher yields being produced every second year. Low soil fertility and many abiotic stresses, such as high temperatures and drought enhance this tendency [11]. Several abiotic stresses, especially water stress, are strongly related to the transplantation shock that occurs when olive cuttings or seedlings are transplanted in the field decreasing their survival rate [12]; this failure of the young olive plants to root well forces them to expend additional energetic cost in order to adapt to the new environmental conditions [13].…”

Section: Introductionmentioning

confidence: 99%

The Role of Microbial Inoculants on Plant Protection, Growth Stimulation, and Crop Productivity of the Olive Tree (Olea europea L.)

Bizos

Papatheodorou

Chatzistathis³

et al. 2020

Plants

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The olive tree (Olea europaea L.) is an emblematic, long-living fruit tree species of profound economic and environmental importance. This study is a literature review of articles published during the last 10 years about the role of beneficial microbes [Arbuscular Mycorrhizal Fungi (AMF), Plant Growth Promoting Rhizobacteria (PGPR), Plant Growth Promoting Fungi (PGPF), and Endophytes] on olive tree plant growth and productivity, pathogen control, and alleviation from abiotic stress. The majority of the studies examined the AMF effect using mostly Rhizophagus irregularis and Glomus mosseae species. These AMF species stimulate the root growth improving the resistance of olive plants to environmental and transplantation stresses. Among the PGPR, the nitrogen-fixing bacteria Azospirillum sp. and potassium- and phosphorous-solubilizing Bacillus sp. species were studied extensively. These PGPR species were combined with proper cultural practices and improved considerably olive plant’s growth. The endophytic bacterial species Pseudomonas fluorescens and Bacillus sp., as well as the fungal species Trichoderma sp. were identified as the most effective biocontrol agents against olive tree diseases (e.g., Verticillium wilt, root rot, and anthracnose).

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Section: Introductionmentioning

confidence: 99%

The Role of Microbial Inoculants on Plant Protection, Growth Stimulation, and Crop Productivity of the Olive Tree (Olea europea L.)

Bizos

Papatheodorou

Chatzistathis³

et al. 2020

Plants

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“…This can be partly attributed to alternative bearing to which the olive is prone as a perennial crop [70]. In addition, the occurrence of alternative bearing is also related to external factors, which may be the reason for the differences found between the two locations investigated by Kour et al [71]. Sastre et al [72] found differences in yield between locations and years of cultivation, while irrigation did not affect fruit yield.…”

Section: Influence Of Irrigation and Location On Fruit Yield Per Tree...mentioning

confidence: 96%

Modulation of the Irrigation Practices in Croatia for More Sustainable Olive Growing

Šikić,

Marcelić,

Brkić Bubola

et al. 2023

Agriculture

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Olive groves in the Mediterranean may lose production sustainability because of their vulnerability to climatic change. Irrigation is an important measure that could significantly affect fruit yield, olive fruit fly infestation, and oil characteristics. The aim of paper was to compare the regulated deficit irrigation with different water management practices, in consecutive years, in two locations in Zadar County (Croatia), affecting fruit morphology, olive fruit fly infestation, and quantity and quality of the extracted Coratina cultivar oil. Treatments, namely C—rainfed, T1—deficit irrigation (produce’s practice), T2—regulated deficit irrigation, and T3—full irrigation (100% ECTO), were established. Irrigated treatments had a positive effect on all morphological characteristics of the fruit. The pulp mass, independently of the year, increased in irrigated treatment (ranging from 1.04 to 1.65 in C to 2.25 and 2.30 in the irrigated treatments) and resulted in a higher oil content on a fresh weight basis (ranging from 16.39% to 17.85% in C to 19.48% to 23.26% in the irrigated treatments). However, fruit yield per tree was only location-dependent. When olive fruit fly presence was high, fruit infestation was greatest in the irrigated compared to the rainfed treatment. According to quality parameters, all oils were classified as EVOO. Individual phenols were influenced by irrigation, while the composition of fatty acids was more influenced by location than treatment. The sensory characteristics of the resulting oil were slightly reduced compared to rainfed treatment. The results indicate that regulated deficit irrigation benefits water use sustainability without compromising the quality of the oil.

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“…This decline occurred after significant increases in fruit production from 2011 to 2013. It is likely that the high fruit load in all cultivar/rootstock treatments from 2011 to 2013 depleted the assimilates, leading to an "off-year" in 2014 evidenced by light blooming as the trees replenished their carbohydrate reserves (Kour et al, 2018;Scholefield et al, 1985). A biennial production cycle does not always follow an every-other-year pattern.…”

Section: Year Effectsmentioning

confidence: 99%

Yield and fruit quality traits of rambutan cultivars grafted onto three rootstocks and grown in a Mollisol soil in Puerto Rico

Goenaga,

Marrero

2024

JAUPR

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With increasing ethnic diversity and demand for healthy and more varied foods, globalization has opened a window of opportunity for new tropical fruits, including rambutan (Nephelium lappaceum), to be offered to consumers in the Western Hemisphere. The lack of formal experimentation on rambutan performance using various scion/rootstock combinations prompted a study, conducted in Santa Isabel, Puerto Rico, using a randomized complete block design to assess the yield and fruit quality of three cultivars (‘Gula Batu’, ‘Jitlee’, ‘R-162’) when grafted onto three different rootstocks (‘Binjai’, ‘Gula Batu’, ‘R-134’) in an alkaline Mollisol soil. From 2011 to 2015, there was an increase in the number and yield of fruit for cultivar/rootstock treatments. Regardless of rootstock, ‘R-162’ and ‘Jitlee’ had a higher number of fruit and yield than ‘Gula Batu’. The cultivars produced significantly more fruit and had significantly higher yields when ‘Gula Batu’ was used as a rootstock. Cultivar/rootstock treatments did not have a significant effect on individual fruit weight which averaged 32 g. Cultivar ‘R-162’ grafted onto ‘Gula Batu’ had a higher concentration of soluble solids, but it was not significantly different than the rest of the treatments except for ‘Gula Batu’ grafted onto ‘Binjai’ and ‘Gula Batu’ grafted onto ‘R-134’, which had significantly lower soluble solids concentration. Individual fruit weight and rind weight did not vary among cultivar/rootstock treatments, and pulp weight varied very little. Seed weight differences were mainly associated with cultivar ‘Gula Batu’. This study confirms previous work by the author showing ‘R-162’ as a highly productive cultivar and, for the first time, shows that ‘Gula Batu’ is a superior rootstock, performing very well under alkaline soil conditions.

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Alternate Bearing in Olive - A Review

Cited by 20 publications

References 39 publications

The Role of Microbial Inoculants on Plant Protection, Growth Stimulation, and Crop Productivity of the Olive Tree (Olea europea L.)

The Role of Microbial Inoculants on Plant Protection, Growth Stimulation, and Crop Productivity of the Olive Tree (Olea europea L.)

Modulation of the Irrigation Practices in Croatia for More Sustainable Olive Growing

Yield and fruit quality traits of rambutan cultivars grafted onto three rootstocks and grown in a Mollisol soil in Puerto Rico

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