Piotr Latocha

Warsaw University of Life Sciences - SGGW, Institute of Horticulture Sciences

The aim of this study is to develop an efficient method for micropropagation of Pennisetum × advena ‘Rubrum’. Agar cultures containing Murashige and Skoog (MS) medium supplemented with 6-benzyl-amino-purine (BAP) in various concentrations (0.5 mg/L to 2 mg/L) and a temporary immersion bioreactor system (TIS) using liquid medium MS with an addition...

More than ten thousand apple cultivars with high variability in the quality traits and year-round availability place apples at the forefront of consumed fruits. Yet consumers and producers alike are still looking for new apple cultivars with specific quality attributes such as plant resistance to biotic and abiotic stresses as well as a high health...

Due to its sensory qualities and therapeutic properties, honey is a desirable dietary ingredient. Despite the growing interest in proper nutrition in developed countries, honey consumption in developed countries is relatively low. This is also true in Poland. Hence, research was undertaken to determine Polish consumers’ behaviour with regard to hon...

The quality of fruit as a source of bioactive ingredients is related to the genetic characteristics of plants, but it can also be modified by growing conditions. Therefore, long-term research can be extremely valuable in evaluating various crop plants, especially novel ones. The aim of the research was to test four popular European kiwiberry (Actin...

HS-SPME/GC-MS analysis was carried out to characterize the profile of volatile organic compounds (VOCs) in kiwiberry cultivars (Geneva and Weiki) exposed to high hydrostatic pressure (HHP) (450–550–650/5 and 15 min). The sum of individual VOCs in Geneva (6.493 mg/kg) and Weiki (11.939 mg/kg) samples was found to be significantly reduced after proce...

The aim of this study was to estimate the influence of different cultivars of Actinidia arguta (kiwiberry) on the bioavailability of mineral elements and to examine the mineral profile of rats fed atherogenic diets enriched with kiwiberries. The following cultivars of Actinidia arguta were used: Bingo, M1, Anna, Weiki, Jumbo, and Geneva. Kiwiberry...

Due to the low level of fruit consumption in relation to dietary recommendations in many European countries, including Poland, multidirectional actions should be taken to increase the consumption of these products. One of the ideas could be the introduction of innovative products. The main goal of the study is to determine the relationship between...

Endosperm, an ephemeral and storage tissue, serves as a source of nutrition and protection during embryo development and germination. It can be used for the cultivation of polyploid plants in vitro. Here, results of plant regeneration and acclimatization from the endosperm-derived calli of four cultivars of Actinidia arguta has been presented. Seed...

Successful pollination and fertilization are crucial processes for obtaining a high yield, especially for dioecious plants such as A. arguta. Determination of pollen tube growth on stigma and fruit development parameters, which were investigated in this study, can enable the evaluation of male-female compatibility-one of the factors of successful p...

Background Actinidia arguta is a climbing, fruit plant that recently generated a spread interest in many regions of the world, due to world globalization and knowledge expansion. During its production, different by-products are generated, such as fruits, leaves, stems, flowers and roots, being characterized by a rich bioactive composition that wise...

Kiwiberry, the fruit of Actinidia arguta, has a long history of wild harvest and utilization throughout its native east Asian range, both as food and traditional medicine. Although it is a young crop in terms of commercial development, many studies focused on kiwiberry cultivation and training techniques under different climatic conditions are avai...

This study analysed the impact of high pressure processing (HHP) on the inhibitory effects (IC50) of kiwiberries (cv. 'Weiki'), on the formation of advanced glycation end-products (AGEs) and the activity of angiotenisn-converting enzyme (ACE) and the enzyme acetylcholinesterase (AChE). The polyphenol profile (HPLC-MS/MS) and antioxidant capacity (P...

Nowadays, the trend related to healthy eating is constantly growing among consumers. The juices based on kiwiberry containing over 20 vital nutrients may have a potential for usage in developing innovative products targeting health-concerned consumers. The aims of the study were: (1) to identify the volatile compounds of kiwiberry juice and its mix...

Among the actinidia genus (Actinidia spp.) native to China, few species are grown commercially for their edible and healthy fruits. As they are dioecious plants, a lot of interest is paid to effective pollination and to insects as the most efficient pollinators. In this study we have concentrated on the composition of volatile compounds in male flo...

Featured Application: Fresh kiwiberry has strong antioxidant properties but has a short shelf life. Hence, dried fruit has great potential in being widely consumed as a health beneficial fruit. Abstract: This study aimed to investigate the impact of convective and vacuum drying performed at different temperatures on the content of bioactive compone...

Background: Actinidia arguta known as the 'kiwiberry' or 'mini kiwi' is relatively new among the cultivated berry species. Recent studies indicate the kiwiberry fruit could be an important source of many health-promoting compounds. A knowledge-based fertilisation concept was evolved to define optimal strategies for feeding Actinidia with nitrogen...

De-icing salts are harmful for road-side greenery. The aim of our study was to examine photosystem II performance in mature trees growing along a road of heavy traffic in relation to shoot and soil salinity caused by de-icing salts. Leaves from each three specimens of Aesculus hippocastanum, Tilia cordata, and Betula pendula growing along the same...

Actinidia arguta (Siebold et Zucc.) Planch. ex Miq. is functionally a cryptic dioecious plant and successful pollination is crucial for achieving high quality fruit. The extent and bases of morphological variability in female genotypes have been well studied, but here we focus on the males. Mature plants of seven male A. arguta genotypes were studi...

Nutrient use efficiency and overall plant fertilization strategies are key issues in food production in increasingly adverse environmental conditions. The plant Actinidia arguta (Siebold et Zucc.) Planch. ex Miq. is a species that has increased cultivation in recent years. The aim of this study was to assess seasonal leaf macronutrient changes and...

Kiwiberry, Actinidia arguta Grower’s Manual is a compendium of knowledge and cultivation of kiwiberry with different aspects in mind, from the knowledge of the plant’s biology, through the selection of the place and the establishment of the plantation to its cultivation. An important part of the study is the subject matter related to the production...

Actinidia arguta called also kiwiberry or minikiwi is a well-known ornamental climber, frequently cultivated in home gardens because of its vitality, decorativeness and valuable fruit. However, this species has gained new uses in recent years and is commercially cultivated-similar to its more famous relative-A. chinensis var. deliciosa (kiwifruit),...

Optimal nitrogen availability is necessary to keep high photosynthetic efficiency and in consequence, good physiological condition and growth of plants. In order to examine the effect of N nutrition on photosynthetic apparatus performance we used the chlorophyll a fluorescence (ChF) technique in two differing Actinidia cultivars and we aimed to sel...

Kiwiberry (Actinidia arguta) is dioecious species which is now commercially grown in several countries worldwide. A study was conducted to determine the influence of five pollen sources derived from A. arguta (three cultivars), A. arguta var. purpurea ‘Rot’ and A. chinensis var. deliciosa ‘Tomuri’ on fruit and seed characteristics for three female...

Commercial production of kiwiberry (Actinidia arguta) started in the early 1980s and it is therefore a relatively new crop. The grape-sized kiwiberry can be eaten without peeling, is tasty, and contains numerous pro-health chemical compounds, positioning it in the lead of the most nutritious fruits in the world. The area of kiwiberry commercial cul...

Pictures of kiwiberry morphological diversity. Tables with kiwiberry versus kiwifruit nutritional values and antioxidant capacity based on different methods.

The aim of this study was to analyze the impact of osmotic solutions and temperature on the osmotic dehydration (OD) of two cultivars of kiwiberry. OD was carried out in sucrose, xylitol and maltitol solutions at 30 °C and 50 °C, respectively. The process of osmotic dehydration was described by the means of water loss (WL), solid gain (SG), weight...

PL Aktinidia ostrolistna (Actinidia arguta) to wieloletnia roślina pnąca, która pochodzi z Azji, ale może być uprawiana w warunkach klimatycznych Polski. Jej owoce, zwane potocznie minikiwi, to jagody wielkości dużego winogrona o galaretowatym, słodko-kwaśnym, zielonym lub czerwonym miąższu z dużą ilością drobnych nasion. Owoc, w odróżnieniu od kiw...

The kiwiberry (Actinidia arguta) is a new product on the market that is enjoying growing consumer acceptance around the world. This widespread interest has created increased demand for identification of the kiwiberry’s nutritional health benefits. Containing over 20 essential nutrients and a range of vitamins, the kiwiberry comes near the top of fr...

Consumers and scientists exhibit a growing interest in bioactive ingredients of natural origin with strong pro-health effects. Such properties have been found in fruits of of Actinidia argute, commonly known as kiwiberry (mini kiwi or hardy kiwi). Appropriate methods and parameters of the drying process enable obtaining a product with preserved hig...

Streszczenie. Aktinidia ostrolistna to roślina, której jagody, znane jako mini kiwi czy kiwiberry, oprócz walorów smakowych posiadają istotne właściwości prozdrowotne. Owoce te mogą być przechowywane w warunkach chłodniczych jedynie przez kilka tygodni, dlatego wymagają szybkiej obróbki przedłużającej ich trwałość. Celem niniejszej pracy była ocena...

K e y w o r d s: kiwiberry, kiwifruit, mini kiwi, selection, morphology, yield. A b s t r a c t The genus Actinidia was established by LINDLEY in 1836. The most recent systematic revision of Actinidia distinguish about 54 different species 52 of which occur naturally in China (44 of it are endemic). Recently Actinidia fruit has become famous for it...

Kiwiberry (Actinidia arguta) is a new product on the market with a growing consumer acceptance worldwide. Kiwiberry world production is very dynamic and difficult to estimate because only limited printed statistics are available.Therefore, this paper summarizes information on kiwiberry production obtained mainly from growers, coordinators and whole...

Commercial production of the kiwiberry (Actinidia arguta) is relatively new but is expanding rapidly. Because of the initial phase of the kiwiberry introduction into the world fruit production, looking for the best cultivars is still an important issue. The yield structure and the plant vigour are very important indicators for growers. The research...

Actinidia species are thought to be adapted to both wind and insect pollination. Efficient pollination is crucial for fruit set and good quality of fruit produced by dioecious plants. There hasn’t been any research on commercial pollinators done for this species so far. Therefore, the aim of this study was the comparison of flowering morphology and...

The kiwiberry (Actinidia arguta (Siebold et Zucc.) Planch ex Miq) has become a widely studied species in recent years due to its high resistance to low temperature and high content of health-promoting phytochemicals. The aim of this study was to verify the effect of pre-storage application of oxalic acid, salicylic acid and acetylsalicylic acid, ca...

Podręcznik przeznaczony jest dla uczniów techników ogrodniczych oraz wszystkich osób zajmujących się architekturą krajobrazu. Został on opracowany w taki sposób, aby nauczyć rozpoznawania poszczególnych roślin oraz zapoznać z ich wymaganiami, walorami dekoracyjnymi i możliwościami zastosowania. Służy temu przede wszystkim czytelny schemat opisów mo...

This research was conducted on commercial plantation in central Poland. The effect of increasing soil N-levels on plant physiological condition and vigour of two Actinidia arguta cultivars –‘Weiki’ and ‘Geneva’ was evaluated throughout growing season of 2016. N-levels of 3, 5 and 8 mg N 100 g-1 d.w. were examined. Fertilization was conducted in thr...

Actinidia arguta is a dioecious vine commercially cultivated in many countries. Effective pollination is essential for good quality yield. Possibility of supporting the A. arguta natural pollination with commercially available A. deliciosa pollen was studied. The research was conducted on commercial plantation in central Poland. Regardless of the m...

Publikacja zawierająca wszelkie informacje botaniczne o rodzaju aktinidia, opis odmian A. arguta oraz technologii uprawy. Przedstawione sa także właściwości odżywcze i zdrowotne owoców. W opracowaniu Przedstawiono ponadto informacje dotyczące światowej produkcji i marketingu MiniKiwi.

Shrub species selection for road-side planting should consider their ability to cope with stress factors imposed by road trafic. In our examination we evaluated durability of 28 ground-covering woody species and cultivars in road-side environment in Warsaw. A dendrological inventory of planting beds located along Niepodległości Avenue was carried o...

Poradnik metodyczny został przygotowany przede wszystkim dla studentów przygotowujących pracę dyplomową inżynierską lub magisterską na kierunku architektura krajobrazu SGGW, którzy poszukują odpowiedzi na pytania dotyczące zakresu, formy i sposobu pisania pracy.

There are no published results focusing on the study of hardy kiwifruit as a supplementation to the atherogenic diet. We hypothesized that hardy kiwifruit (Actinidia arguta (A. arguta)) from Poland possess better pro-healthy action than two Asian varieties (Hayward and Bidan). We tested this hypothesis by measuring the metabolic reactions of rats l...

Celem pracy była ocena zawartości miedzi w owocach A. arguta pięciu odmian: Weiki, M1, Anna, Geneva i Jumbo oraz wpływ ich 5% dodatku w diecie dla szczurów z indukowaną hypercholesterolemią na biodostępność miedzi. Wykazano istotne obniżenie biodostępności miedzi u szczurów z indukowaną hypercholesterolemią i otrzymujących w diecie owoce mini kiwi...

Praca omawia wpływ traktowania pozbiorczeg owoców A. arguta odmiany Weiki chlorkiem wapnia, kwasem acetylosalicylowym, kwasem salicyklowym, kwasem szczawiowym, i 1-MCP na ich jakość podczas przechowywania chłodniczego.

In this research, eight kiwi fruit genotypes (six hardy kiwis (Actinidia arguta and their hybrids), one of Actinidia deliciosa ‘Hayward,’ and one of Actinidia eriantha ‘Bidan’ were examined and compared by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), Fourier transform infrared (FT-IR) spectra, and nuclear magnetic resonance...

The aim of this research is to identify and compare the bioactive compounds, antioxidant capacities and binding potentials to human protein in different varieties of hardy kiwi (Actinidia (A.) arguta), ‘Hayward’ (Actinidia deliciosa) and less – known ‘Bidan’ (Actinidia eriantha). Polyphenols, flavonoids, flavanols, tannins, vitamin C, lutein, zeaxa...

The kiwiberry (Actinidia arguta) has become increasingly popular not only due to its taste, but also due to its benefits for health. The kiwiberry contains a range of bioactive compounds, with antioxidant activity predominantly associated with phenolic compounds and ascorbate. The aim of this study was to determine the phenolic compounds and the to...

Rodzaj Actinidia Lindl. obejmuje około 60 gatunków, z których najbardziej rozpoznawana jest A. deliciosa – kiwi. W wielu krajach świata, w tym także w Polsce, znaczenie uprawne mają też A. arguta, A. purpurea, A. arguta×A. purpurea. Owoce poszczególnych gatunków i odmian różnią się wyglądem i jakością sensoryczną. Poszukiwanie nowych odmian aktinid...

Widely consumed kiwi fruit has many cultivars. Kiwi Hayward is the most common cultivar among Actinidia deliciosa, and the biggest one of Actinidia genus. Bidan is a new cultivar, less known outside South Korea. Hardy kiwifruits A. arguta-are smaller with a smooth, fuzzless and edible skin. Actinidia fruits are a good source of polyphenols and mine...

Kiwifruit is cultivated in many countries and is a valuable source of bioactive compounds e.g., polyphenols and vitamin C. It has been found that polysaccharides and dietary fibre of kiwifruit can improve immune system, relieve the chronic constipation and promote the growth of bacteria which diminished pH in large intestine. Thus, kiwifruit may ha...

Objectives: The aim of the study was to estimate iron content in different cultivars of Actinidia arguta (Weiki, M1, Ananasnaja, Jumbo, Geneva, Bingo), called Hardy kiwifruits, Hayward cultivar which is the most common one of Actinidia deliciosa, and Bidan-new cultivar, less known outside South Korea. We would like to find out which one of them is...

In recent years, there has been growing interest in different species of Actinidia, especially in ones with smaller but tastier and healthier fruit. The Actinidia fruit is a berry that contains many tiny seeds. The fruit contains many biologically active constituents and therefore can be considered as a ‘healthy fruit’ or a ‘functional food’. To ou...

The common, large-fruited kiwifruits (Actinidia chinensis and A. deliciosa and their crosses) are well-known nowadays amongst consumers, growers and gardeners, including in Poland. The small-fruited kiwifruit varieties A. arguta and A. kolomikta, related to the common kiwi, have commonly been used in gardens as an ornamental climber, but are now al...

Od początku swej egzystencji na Ziemi, człowiek otoczony był roślinami. Korzystał z ich ochrony, żywił się ich owocami. Świadome stosowanie roślin okrywowych ma stosunkowo krótką historię sięgającą zaledwie drugiej połowy XX wieku, ale rośliny pnące nie są odkryciem ostatnich lat i ich stosowanie sięga niemal początków cywilizacji ludzkiej. Rośliny...

Kiwiberry (Actinidia argute), a smaller cold hardy cousin of the well-known kiwifruit (A. deliciosa and A. chinensis), has always been considered of minor economic importance. Its twining, woody vines produce small, grape-size fruit with diversity of flesh and skin colours. With intense flavour, kiwiberries can be eaten whole, without peeling and t...

Commercial production of the kiwiberry (Actinidia arguta) is relatively new in northern and western Europe. When introducing the kiwiberry to a region where fruit growers have no experience with Actinidia, many challenges have had to be overcome. For instance, the profile of the growers willing to invest in this crop is very diverse, the geographic...

Kiwiberry, also called hardy kiwifruit, Actinidia arguta ((Siebold et Zucc.) Planch. ex. Miq), is a new, commercially grown species. Kiwiberry is known for its frost resistance and relatively small, smooth skinned fruit that can be eaten whole, without peeling. Sometimes it is called a 'healthy fruit' because it contains a lot of pro-healthy consti...

Changes in sensory and physicochemical characteristics of fruit of Actinidia arguta and its hybrid after cold storage (1 °C and 85%RH) in air (AS) versus controlled atmosphere (CA) with low oxygen concentration (1.5%O2 + 1.5%CO2) were examined over a period of four and eight weeks. The investigation was carried out on two cultivars, ‘Ananasnaya’ (A...

Druga część artykułu zawierająca opis odmian uzyskanych w drodze selekcji prowadzonej w SGGW oraz ciekawszych odmian pochodzenia ukraińskiego.

Towarowa uprawa aktinidii ostrolistnej (MiniKiwi, Kiwiberry) w Polsce jest w fazie początkowej. W artykule opisano zalety uprawy tych owoców oraz dostępne na rynku polskim odmiany ze zwróceniem uwagi na te najlepiej przystosowane do uprawy towarowej.

Hardy kiwifruit (Actinidia arguta) is a new species, commercially grown in recent years. Total phenolics (TPC), vitamin C (TAA) content, antioxidant activity (AA) and their year-to-year variability in seven hardy kiwifruit clones were evaluated. TPC was determined using the Folin–Ciocalteu reagent assay. TAA was estimated by determination of l-asco...

Garlic (Allium sativum L.) and Actinidia spp. plants can be infected by many viruses. The viruses can be spread by vectors and by vegetative propagation of the plants. Eight garlic viruses transmitted by mites, belong to the Allexivirus genus. This paper describes the detection and identification of three garlic viruses: Garlic virus A (GarV-A), Ga...

Hardy kiwifruit (Actinidia arguta) is a relatively new crop, and new cultivars suitable for commercial production are still needed. This paper outlines the results of research on the morphological and biological features of ‘Bingo’, a new cultivar of hardy kiwifruit obtained in the breeding programme conducted at Warsaw University of Life Sciences...

The effect of storage and the stage of maturity of hardy kiwifruits on the physicochemical quality, phenolics (TPC) and ascorbic acid content (AAC), as well as antioxidant activity (AA) were studied in this work. The phenolic compounds in hardy kiwifruits were separated and characterized by HPLC. The investigation was carried out on the two cultiva...

Hardy kiwifruit, Actinidia arguta (Siebold et. Zucc) Planch ex Miq. and A. purpurea Rehd. are species with healthy fruit and high frost resistance. Despite being still exotic they start to be grown commercially, therefore they may become an important supplement to the current fruit production in regions with colder climate such as north European co...

Actinidia arguta, called also hardy kiwifruit, is an exotic fruit of Actinidia genus which have obtained commercial interest in recent years. Its high frost hardiness, relatively short vegetation period and pro-healthy properties make it very interesting, especially in cold regions. The aim of the presented study was to identify main drivers of pos...

The present research aimed at evaluating the vitamin C, total phenolic content (TPC), phenolic compounds, carotenoids, and chlorophyll contents, as well as antioxidant activity (AAC) of six Actinidia species fruit. Vitamin C, phenolic compounds, carotenoids and chlorophylls were measured using high-performance liquid chromatography. TPC was determi...

Magnolie to jedne z najatrakcyjniejszych roślin drzewiastych uprawianych w naszych ogrodach. Poprzez niezwykle piękne, arystokratyczne kwiaty wnoszą powiew egzotyki i uważane są często za królowe wiosny. Ze względu na dużą różnorodność magnolie można uprawiać zarówno w większych, jak i małych ogrodach. Książka opisuje różne gatunki i odmiany magno...

Preliminary assessment of anti-transpirant Vapor Gard® infl uence on Actinidia arguta growing under drought stress conditions. Nowadays, drought stress is one of the major problems in agriculture at global scale. Due to the shortage of rainfall and water sources availability many new methods to enhance plants tolerance to drought stress have been s...

Kolekcja aktinidii tworzona jest na SGGW od początku lat 1990. Obecnie zgromadzono w kolekcji 58 taksonów w tym 10 gatunków i 6 różnych mieszańców. W kolekcji przeważają genotypy A. arguta (29); poza tym są 3 genotypy A. purpurea, 4 A. kolomikta i 8 mieszańcowych A. arguta × A. purpurea.

The mineral composition of new genotypes of hardy kiwifruit (Actinidia Lindl.) bred at SGGW. The hardy kiwifruit breeding programme at the Department of Environmental Protection of the Warsaw University of Life Sciences (SGGW) in Poland has been started in 1996. As a result of the breeding programme in A. arguta and A. purpurea two genotypes of A....

Frost resistance and spring frost sensibility of a few cultivars of Actinidia grown in central Poland. This article shows results of assessment of winter frost damage of young plants of four genotypes of Actinidia arguta – Weiki, Jumbo, Geneva (female) and Weiki (male) and on hybrid A. arguta × A. melanandra ‘Ken’s Red’ (female) and they sensibilit...

Morphological, chemical and sensory analyses of promising genotypes of hardy kiwifruit (Actinidia Lindl.) obtained in the breeding programme at SGGW. The selection work on A. arguta and A. purpurea has been led since 1996. As a result three female promising hybrid genotypes (D11, D14, D8) and two genotypes of A. arguta (L1, M1) have been obtained....

The comparison of some biologi-cal features of Actinidia arguta cultivars fruit. Hardy kiwifruit (Actinidia arguta (Siebold et Zucc.) Planch. ex Miq.) is just beginning to be grown commercially and is produced in and the USA. This paper summarizes some preliminary work on morphological features and the vitamin C content in vine ripened fruits of po...

The infl uence of irrigation system on growth rate and frost resistance of chosen ground cover plants on extensive green roofs. Roof gar-dens are one of the possible roof covers which can improve the climate of a city. The roof gardens which are most likely to be successful are the extensive ones but the number of suitable species is limited. In th...

Materiał badawczy stanowiły owoce dwóch genotypów Actinidia arguta (L1, M1) i trzech mieszańców A. arguta × A. purpurea (D8, D11, D14). Jako materiał porównawczy użyto odmiany A. arguta ‘Ananasnaja’ (=’Anna’), najpowszechniej uprawianej na świecie aktinidii ostrolistnej. Wszystkie rośliny uzyskano w programie hodowlanym SGGW, a owoce pochodziły z r...

As green roofs are becoming more and more popular in Poland, there is need to clasify their sorts and specify their possible development. The works conducted at Warsaw University of Life Sciences (SGGW) recently inspected green roofs existing n Poland and clasified them. The research, based n Haemerle method, shows the possible further development...

Opis rodzaju i poszczególnych gatunków aktinidii. Charakterystyka odmian. Opis walorów owoców. Opis metod uprawy, zbioru i przechowywania owoców.