Abstract
Olive is a traditionally important crop grown extensively in the Mediterranean basin. Floral quality and effective pollination have a significant influence on fruit set and on final crop. In the present work, we studied the effect of foliar fertilization on floral phenology, flowering parameters, pollen viability, and in vitro pollen germination of Olive 'Chemlali' grown under rain-fed conditions in Saheline (Monastir, Tunisia). For this purpose, four foliar treatments were applied: TC (control, without foliar nutrition), T1 (rich in nitrogen, applied on 18 of February before the start of vegetative growth and 10 days later), T2 (rich in boron, magnesium, sulfur and manganese, applied on 25 of March, before the begin of flowering and 10 days later) and finally T12 a combined treatment of T1 and T2. The number of flowers cm-1 of fruiting branch ranged between 5.49 (T1) and 8.51 (T12). The combined treatment T12 showed the earliest flowering on 30th April and the highest number of flowers inflorescence-1. The simple treatment T1 showed the highest number of perfect flowers. The maximum number of branched peduncles developing in the inflorescence was four for all treatments. Perfect flowers were more frequent in a terminal than in a lateral position. Pollen viability varied between 82.83 and 85.97%. The simple treatment T2 showed a high fertility of pollen under in vitro conditions. The results indicated that all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.
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Claims 9
Claim · model-written summary
Flower number per centimeter of fruiting branch ranged from 5.49 under T1 to 8.51 under T12.
- Taxon
- Olive
Olea europaeae1 - Outcome
- number of flowers cm-1 of fruiting branche0
- Value
- 5.49 (T1) and 8.51 (T12)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of flowers cm-1 of fruiting branch ranged between 5.49 (T1) and 8.51 (T12).”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
T12 produced the earliest flowering on 30th April.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined treatment T12 showed the earliest flowering on 30th April and the highest number of flowers inflorescence-1.”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
T12 produced the highest flowers per inflorescence.
- Taxon
- OliveOlea europaeae1
- Treatment
- T12e0
- Outcome
- number of flowers inflorescence-1e0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined treatment T12 showed the earliest flowering on 30th April and the highest number of flowers inflorescence-1.”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
T1 produced the highest number of perfect flowers.
- Taxon
- OliveOlea europaeae1
- Treatment
- T1e0
- Outcome
- number of perfect flowerse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The simple treatment T1 showed the highest number of perfect flowers.”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
The maximum number of branched peduncles per inflorescence was four across treatments.
- Taxon
- OliveOlea europaeae1
- Outcome
- number of branched peduncles developing in the inflorescencee0
- Value
- foure0
- Qualifier
- all treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum number of branched peduncles developing in the inflorescence was four for all treatments.”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
Perfect flowers were more frequent in terminal than lateral positions.
- Taxon
- OliveOlea europaeae1
- Outcome
- Perfect flowerse0
- Direction
- more frequente0
- Comparator
- lateral positione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Perfect flowers were more frequent in a terminal than in a lateral position.”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
Pollen viability ranged from 82.83 to 85.97 percent.
- Taxon
- OliveOlea europaeae1
- Outcome
- Pollen viabilitye0
- Value
- 82.83 and 85.97%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pollen viability varied between 82.83 and 85.97%.”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
T2 produced high pollen fertility in vitro.
- Taxon
- OliveOlea europaeae1
- Treatment
- T2e0
- Outcome
- fertility of pollene0
- Direction
- highe0
- Setting
- in vitro conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The simple treatment T2 showed a high fertility of pollen under in vitro conditions.”
t0“Effect of foliar fertilization on flowering ofOlea europaeaL. ‘Chemlali’”
e1“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
Claim · model-written summary
All foliar fertilization treatments enhanced olive flowering status under rain-fed conditions.
- Taxon
- olive treeOlea europaeae0
- Treatment
- foliar fertilizatione0
- Outcome
- flowering statuse0
- Direction
- enhancede0
- Setting
- central Tunisiae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all foliar fertilization enhanced the flowering status of olive tree cultivated under rain-fed conditions of central Tunisia.”
The same questions in other papers
application · phenology · Olea europaea (common olive)Positive and negative results
6 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
4 papers more in this group
See all 8 papers →fertilization · phenology · Olea europaea (common olive)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.