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Effect of pollination mode on fruit set in blue honeysuckle (Lonicera caerulea L.)

100%

Gawronski J., Kaczmarska E.

Acta Scientiarum Polonorum. Hortorum Cultus

|

2018

|

tom 17

|

nr 3

Honeyberry’s popularity has been increasing because of its valuable traits: nutritional value of fruits (a high amount of ascorbic acid, potassium and polyphenolic compounds), early ripening (14 days before strawberry), exceptional hardiness and easy cultivation. However, there is still little known about the pollination biology of this species, which is essential for practical breeding purposes. In this study we evaluated pollen fertility in five cultivars and three breeding clones of this species. The impact of the manner of pollination on the fruit set and forming seeds has also been studied. The highest percentage of viable pollen was found in cultivars ‘Duet’ and ‘Wojtek’ (96%), whereas the pollen of ‘Chelyabinka’ cultivar had the lowest fertility (90%). The percentage of blue honeysuckle fruits obtained from open-pollinated flowers was high (on average 94.7%) compared to isolated flowers (on average 8.6%). The effect of cross-pollination with cv. ‘Duet’ indicates that the percentage of the fruit set, fruit weight and mass of produced seeds was higher when this cultivar was applied as maternal than paternal form. The number of seeds affected significantly the weight of the fruit in the case when cv. ’Duet’ was used as a paternal (correlation coefficient r = 0.45) or maternal form (r = 0.66), while for other methods of pollination this effect was insignificant. These results may be used to the most efficient establishment of plantations as well as for the realization of the breeding program of this valuable species.

2

Flowering and fruit set of six cultivars of highbush blueberry (Vaccinium corymbosum L.) in the conditions of the Lublin region

100%

Bozek M.

Acta Agrobotanica

|

2009

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tom 62

|

nr 1

The results presented in this paper relate to the time and duration of flowering of highbush blueberry as well as fruit set in the conditions of flower isolation and free visitation by pollinating insects. Observations were carried out in the years 2001- 2004 at a plantation located in Niemce near the city of Lublin. Six cultivars: ‘Bluecrop’, ‘Bluejay’, ‘Croatan’, ‘Darrow’, ‘Northland’ and ‘Spartan’, were covered by the study. The flowering period of the studied highbush blueberry cultivars was in May in three years of study, whereas in 2004 in May and June. Depending on the year, it lasted from 14 up to 21 days, on the average. Significant differences were found in the life span of a single flower which, depending on the cultivar and conditions prevailing during flowering, bloomed from 5 up to 10 days (the average for all the years for all the cultivars). With free access of pollinating insects, highbush blueberry set an average of 92 false-berries per 100 flowers, whereas only 40 during spontaneous self-pollination under the isolating cover. In each year of study, irrespective of atmospheric conditions prevailing during flowering as well as the time and duration of flowering, fruit set of the investigated cultivars in flowers freely accessible to pollinating insects should be considered to be good or very good.

3

Thinning of fruit sets on Sampion apple trees

100%

Nosal K., Poniedzialek W.

Acta Agraria et Silvestria. Series Agraria

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2002-2003

|

tom 41

In the years 1999-2001 in the Garlica Murowana Experimental Station the thinning of fruit sets on Sampion apple trees was carried out manually or chemically with urea. The effects of the treatments on fruit setting, total yield, and the weight and diameter of fruit were investigated. Manual thinning of fruit sets effected a decrease in the number and an increase in the weight of apples. Urea applied at the end of blooming strongly thinned the fruit sets yet it favourably affected the weight of apples. The results of the experiment show that spraying trees with urea by the end of April and a week after blooming favourably affects the yield of' fruit.

4

Efficacy of natural compounds used for thinning in organic apple orchards

100%

Basak A.

Journal of Fruit and Ornamental Plant Research

|

2006

|

tom 14

5

Examination of the suitability of different pollinators for four sweet cherry cultivars commonly grown in Poland

84%

Glowacka A., Rozpara E.

Journal of Horticultural Research

|

2014

|

tom 22

|

nr 1

6

Flowering biology of eggplant and procedures intensifying fruit set - review

84%

Kowalska G.

Acta Scientiarum Polonorum. Hortorum Cultus

|

2008

|

tom 07

|

nr 4

The paper presents literature data on the flowering biology of eggplant and the influence of flower heterostyly on yielding. Flowers with long–styled pistol are the majority among all flowers on a plant (60%). Number of flowers with medium and short style is lower (10–15% and 22–30%, respectively). Eggplants set fruits from flowers with long style in 49–100% and with medium style in 46–85%. These flower’s stigmata have well – developed nodules and well – permissible tissues rich in polysaccharides, proteins styled flowers have small stigmata with underdeveloped nodules and, due to worse absorption, they are not pollinated and do not set fruits. Taking into account the complexity of many factors that make difficult or impossible to self-pollinate the eggplant’s flowers, the efficiency of three procedures intensifying the fruit budding has been presented: bunch vibrating, flower harmonization, and natural pollinating by bumblebees. Many authors’ studies confirm that flower bunch vibrating has not caused sufficient pollen setting on stomata and has not been sufficient for good eggplant flower pollination. Applying growth regulators appears to be more efficient and significantly affects the improvement of eggplant’s yielding. The highest efficiency has been achieved when applying insects as natural pollinators at cultivating the eggplant under covers.

7

Chemical pear fruit thinning

84%

Gonkiewicz A., Blaszczyk J., Basak A.

Journal of Fruit and Ornamental Plant Research

|

2011

|

tom 19

|

nr 1

The experiment was conducted at the Experimental Station near Krakow in 2008 and 2009. The objects of the experiment were twelve-year-old pear trees cv. 'Conference'. The aim of the experiment was to evaluate the effect of three commercial preparations, containing two forms of the auxin NAA and the cytokinin BA, on the fruit set, total yield, fruit weight and the firmness, acidity and soluble solids content of the flesh. Treatments were carried out when fruitlets were 12 mm in diameter. Control trees were not treated. All the combinations used decreased fruit set and total yield, but increased fruit weight. The applied preparations had no clear effect on the acidity and soluble solids content of the fruit juice. None of the treatments affected fruit firmness, acidity and soluble solids content of the fruit juice after harvest and after storage.

8

Changes in the quantity of pigments in the developing tart cherries of North Star and Lutowka cultivars. Part II. Growth if fruit sets and amount of anthocyanins

84%

Ben J., Gaweda M.

Fruit Science Reports

|

1987

|

tom 14

|

nr 4

9

Maternal and paternal effect on the characters of durian (Durio zibethinus Murr.) fruit from cross-pollination

84%

Indriyani N. L. P., Hadiati S., Nasution F., Sudjijo E., Irawati Y.

Journal of Fruit and Ornamental Plant Research

|

2012

|

tom 20

|

nr 2

10

The ability of spontaneous autogamy in four orchid species: Cephalanthera rubra, Neottia ovata, Gymnadenia conopsea, and Platanthera bifolia

84%

Acta Biologica Cracoviensia. Series Botanica

|

2017

|

tom 59

|

nr 2

The breeding system in Orchidaceae generates many questions about the selfing potential of its representatives. We investigated the ability of spontaneous autogamy of four orchid species: Cephalanthera rubra and Neottia ovata of the Neottieae tribe and Gymnadenia conopsea and Platanthera bifolia of the Orchideae tribe. These species represent diverse specializations of the gynostemium architecture. The self-compatibility and properties of autogamous seeds were determined in a bagging experiment and seed development analysis. After induced autogamy, a high level of fruiting (80-100%) was noted in all of the four study species. C. rubra, N. ovata, and G. conopsea are completely self-compatible, and P. bifolia is suggested to be partially self-compatible. If autogamy occurred, inbreeding depression and resource limitation on seed development appeared only in the two Orchideae species. Independent of flower specialization, both Neottieae species and P. bifolia were completely allogamous, whereas G. conopsea could be facultatively autogamous.

11

Effects of open and self pollination of four cultivars of highbush blueberry [Vaccinium corymbosum L.] on flower fertilization, fruit set and seed formation

84%

Bieniasz M.

Journal of Fruit and Ornamental Plant Research

|

2007

|

tom 15

12

Male and female reproductive success in natural and anthropogenic populations of Malaxis monophyllos (L.) Sw. (Orchidaceae)

67%

Jermakowicz E., Ostrowiecka B., Talalaj I., Pliszko A., Kostro-Ambroziak A.

Biodiversity: Research and Conservation

|

2015

|

tom 39

13

Biology of sweet cherry flowering

67%

Lech W., Malodobry M., Dziedzic E., Bieniasz M., Doniec S.

Journal of Fruit and Ornamental Plant Research

|

2008

|

tom 16

189-199

14

Phenology of flowering and fruit set in snake fruit (Salacca sumatrana Becc.)

67%

Adelina R., Suliansyah I., Syarif A., Warnita

Acta Agrobotanica

|

2021

|

tom 74

|

nr 1

15

Effect of pistil age on pollen tube growth, fruit development and seed set in Cucurbita pepo L.

67%

Nepi M., Pacini E.

Acta Societatis Botanicorum Poloniae

|

2001

|

tom 70

|

nr 3

16

The effect of some chemicals on fruit set and yield of black currants after spring frost

67%

Kolodziejczak P.

Fruit Science Reports

|

1992

|

tom 19

|

nr 3

17

Wplyw dokarmiania pozakorzeniowego saletra wapniowa na zawartosc skladnikow mineralnych w lisciach, zawiazkach i owocach jabloni odmiany Elise

59%

Domagala-Swiatkiewicz I.

Acta Agrophysica

|

2006

|

tom 07

|

nr 4[135]

867-877

18

Przerzedzanie zawiazkow owocowych jabloni odmiany Golden Delicious

59%

Basak A., Niezborala B., Cisek B.

Acta Agrobotanica

|

1993

|

tom 46

|

nr 2

15-25

NAA, carbaryl and ethephon were applied separately or in mixture or additionaly with SADH on the Golden Delicious trees, in five experiments, with the aim of regulating fruiting and increase fruit size. The best results were obtained after treatment with carbaryl at conc. 2500-3000 ing/L separately or with the mixture of carbaryl and NAA at conc. 1500 and 40 mg/L, respectively. These chemicals in general caused succesful thinning and increased fruit size. The lower yield was recompensed by higher quality of apples. The results after treatments with carbaryl in mixture with NAA were comparable to those after hand thinning. NAA increased of apple size effectively also, but only at conc. 40 mg/L or higher. However at conc. higher than 40 mg/L the chemical caused injuries of the leaves and youngest shoots. NAA applied separately was less effective than in the mixture with carbaryl. Ethephon at conc. 400 mg/L, applied 14 days after blooming, caused succesful thinning in general and increased fruit size but to a smaller degree than the other chemicals. However ethephon applied in mixture with NAA increased size similarly as hand thinning. In subsequent year the trees sprayed with the mixture of ethephon and NAA yielded abundantly and the apples were smaller than control onces, consequently. Ethephon applied jointly with carbaryl didn't increase the fruit size in spite of the reduction their number. The mixture of ethephon and SADH caused succesful thinning and increased the fruit size in the year of thinning. But in subsequent year the apples were smaller than in control as a consequence of higher yield.

19

Differences in the structure of fruit buds in two apple cultivars with particular emphasis on features responsible for fruit storability and quality

59%

Konarska A.

Acta Scientiarum Polonorum. Hortorum Cultus

|

2014

|

tom 13

|

nr 5

‘Jonagold’ and ‘Szampion’ are winter apple cultivars, whose fruits are suitable for long-term storage. However, fruits of these cultivars differ markedly in the type of the surface and the rate and volume of water transpiration, which is manifested in fruit quality after storage and the length of apple shelf life. A majority of factors responsible for fruit quality and storability are genetically conditioned traits that are mainly developed before fruits reach harvest maturity or still develop during the storage period. The micromorphology, anatomy, and ultrastructure of 21-day-old fruit buds of the ‘Jonagold’ and ‘Szampion’ were examined using light microscopy as well as scanning and transmission electron microscopy. The analyses were particularly focused on the traits that determine fruit firmness and storability, which contribute to long-term storage capacity. It was found that the fruit buds in both cultivars differed significantly in the number of trichome scars and stomata on the fruit surface, the thickness of the hypodermis layer and the hypodermis cell walls, and in the content of phenolic compound deposits. At the fruit bud stage, the following features related to increased or decreased fruit firmness and storability were observed: platelet crystalline wax, cuticle microcracks, stomata and trichome scars, and presence of phenolic compounds.

20

Reakcja roślin pomidora na nawożenie wybranymi preparatami i nawozami zawierającymi magnez

51%

Dobromilska R.

Zeszyty Problemowe Postępów Nauk Rolniczych

|

2009

|

tom 539

|

nr 1

W latach 2006-2008 w wysokim tunelu foliowym badano reakcję roślin pomidora odmiany Fontana F1 na działanie następujących preparatów i nawozów: dolistne opryskiwanie roślin biostymulatorem Bio-algeen, siarczanem magnezu, Fruitcalem oraz przedwegetacyjne nawożenie dolomitem. Uzyskane wyniki badań porównywano z obiektem kontrolnym (nawożenie podstawowe). Podczas zbiorów oceniono: plon ogółem, plon handlowy oraz wczesny. Po zbiorze owoców, oceniono ich trwałość przechowalniczą po 1 i 2 tygodniach przechowywania. Wyniki badań wykazały, że rośliny pomidora nawożone przedwegetacyjnie dolomitem miały inny pokrój niż pozostałe. Były niższe, ale miały zbliżoną średnicę łodygi do innych i wytworzyły na roślinie najwięcej liści. Fruitcal istotnie zwiększył grubość łodygi. Nawóz ten zwiększył odsetek zawiązywanych owoców w stosunku do wytworzonych kwiatów oraz wpłynął na otrzymanie wysokiego plonu wczesnego owoców. Stosowanie w uprawie Bio-algeenu oraz siarczanu magnezu spowodowało istotne zwiększenie plonu handlowego. Owoce roślin opryskanych Bio-algeenem dobrze przechowywały się po zbiorze przez okres 2 tygodni.

Ograniczanie wyników

Effect of pollination mode on fruit set in blue honeysuckle (Lonicera caerulea L.)

Flowering and fruit set of six cultivars of highbush blueberry (Vaccinium corymbosum L.) in the conditions of the Lublin region

Thinning of fruit sets on Sampion apple trees

Efficacy of natural compounds used for thinning in organic apple orchards

Examination of the suitability of different pollinators for four sweet cherry cultivars commonly grown in Poland

Flowering biology of eggplant and procedures intensifying fruit set - review

Chemical pear fruit thinning

Changes in the quantity of pigments in the developing tart cherries of North Star and Lutowka cultivars. Part II. Growth if fruit sets and amount of anthocyanins

Maternal and paternal effect on the characters of durian (Durio zibethinus Murr.) fruit from cross-pollination

The ability of spontaneous autogamy in four orchid species: Cephalanthera rubra, Neottia ovata, Gymnadenia conopsea, and Platanthera bifolia

Effects of open and self pollination of four cultivars of highbush blueberry [Vaccinium corymbosum L.] on flower fertilization, fruit set and seed formation

Male and female reproductive success in natural and anthropogenic populations of Malaxis monophyllos (L.) Sw. (Orchidaceae)

Biology of sweet cherry flowering

Phenology of flowering and fruit set in snake fruit (Salacca sumatrana Becc.)

Effect of pistil age on pollen tube growth, fruit development and seed set in Cucurbita pepo L.

The effect of some chemicals on fruit set and yield of black currants after spring frost

Wplyw dokarmiania pozakorzeniowego saletra wapniowa na zawartosc skladnikow mineralnych w lisciach, zawiazkach i owocach jabloni odmiany Elise

Przerzedzanie zawiazkow owocowych jabloni odmiany Golden Delicious

Differences in the structure of fruit buds in two apple cultivars with particular emphasis on features responsible for fruit storability and quality

Reakcja roślin pomidora na nawożenie wybranymi preparatami i nawozami zawierającymi magnez