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Topic Review
Xishuangbanna Cucumber: Current Status and Future Prospects
The Xishuangbanna (XIS) cucumber is an important botanical variety, accumulating high levels of β-carotene (700 μg/100 g) in the endocarp of mature fruit compared with normal green/white flesh types (25–50 μg/100 g, fresh weight). β-carotene is an essential precursor of provitamin A synthesis required for human health, thus XIS cucumber is an appealing germplasm for vitamin A breeding programs.
  • 850
  • 17 Feb 2022
Topic Review
Bacteriophage-Mediated Control of Phytopathogenic Xanthomonads
Xanthomonads, members of the family Xanthomonadaceae, are economically important plant pathogenic bacteria responsible for infections of over 400 plant species. Bacteriophage-based biopesticides can provide an environmentally friendly, effective solution to control these bacteria. Bacteriophage-based biocontrol has important advantages over chemical pesticides, and treatment with these biopesticides is a minor intervention into the microflora. However, bacteriophages’ agricultural application has limitations rooted in these viruses’ biological properties as active substances. These disadvantageous features, together with the complicated registration process of bacteriophage-based biopesticides, means that there are few products available on the market. 
  • 837
  • 04 Aug 2021
Topic Review
Selenium on the Growth of Tea Plants
Selenium (Se) is an essential trace element for humans and animals, and it plays an important role in immune regulation and disease prevention. Tea is one of the top three beverages in the world, and it contains active ingredients such as polyphenols, theanine, flavonoids, and volatile substances, which have important health benefits. The tea tree has suitable Se aggregation ability, which can absorb inorganic Se and transform it into safe and effective organic Se through absorption by the human body, thereby improving human immunity and preventing the occurrence of many diseases. Recent studies have proven that 50~100.0 mg/L exogenous Se can promote photosynthesis and absorption of mineral elements in tea trees and increase their biomass. The content of total Se and organic selenides in tea leaves significantly increases and promotes the accumulation of polyphenols, theanine, flavonoids, and volatile secondary metabolites, thereby improving the nutritional quality of tea leaves. 
  • 803
  • 14 Oct 2022
Topic Review
Genetic Engineering Strategies for Seedlessness Breeding
Seedless fruit occurs naturally and can be produced using hormone application, crossbreeding, or ploidy breeding. However, the two types of breeding are time-consuming and sometimes ineffective due to interspecies hybridization barriers or the absence of appropriate parental genotypes to use in the breeding process. The genetic engineering approach provides a better prospect, which can be explored based on an understanding of the genetic causes underlying the seedlessness trait. 
  • 787
  • 24 Mar 2023
Topic Review
Salt Priming Impacts on Edible Mesembryanthemum Crystallinum L.
Mesembryanthemum crystallinum L. is a nutritious edible facultative halophyte. They were cultivated with different percentages of artificial seawater (ASW). All plants were green and healthy. However, there were reductions in shoot and root productivity, and leaf growth. The concentrations of proline, ascorbic acid (ASC), and total phenolic compounds (TPC) increased as percentages of ASW increased. The salt-primed plants switched from C3 to crassulacean acid metabolism photosynthesis and accumulated the greatest amounts of proline, ASC, and TPC. In conclusion, higher salinities and salt priming enhance nutritional quality of M. crystallinum L. but compromises productivity.
  • 781
  • 21 Mar 2022
Topic Review
Apricot Rootstocks with Potential in Hungary
The use of rootstocks and scions has changed, along with their systems of cultivation. Associated with climate change, fruit trees face new ecological and phytopathological challenges. Rootstocks affect the generative and vegetative performance of a scion, such as productivity, span of nonbearing period, growth vigor, shelf-life and quality of fruits. Several traits of rootstocks facilitate the growth of a grafted tree under different climatic and soil conditions. Due to the high risks of cultivation, it is extremely important to determine which rootstocks are suitable for successful apricot production. 
  • 777
  • 26 Jul 2023
Topic Review
Progression of Duboisia Micropropagation
Duboisia is an Australian native woody species of the Solanaceae family, a crucial source of alkaloids, and is naturally extracted for pharmaceuticals. The alkaloid content of the four naturally occurring species of Duboisia, i.e., Duboisia myoporoides R. Br., Duboisia leichhardtii F. Muell., Duboisia hopwoodii F. Muell. and Duboisia arenitensis, is not conducive for large-scale commercial extraction. High-value hybrids between D. myoporoides R. Br. and D. leichhardtii F. Muell. have become the commercial crop for the industry. Commercial propagation of this species by cuttings is associated with several challenges and has been a hurdle for industry expansion for many years. Micropropagation can be an efficient and sustainable alternative for Duboisia clonal propagation and is a faster and cleaner propagation avenue for elite propagules. 
  • 756
  • 28 Mar 2023
Topic Review
Light Interactions and Capsicum Plants
Capsicum is one of the most economically important genera in the Solanaceae family. Capsicum fruits (peppers) are rich in phytochemicals with high nutritional value and significant health-promoting characteristics. The phytochemical profile of peppers consists of capsaicinoids, carotenoids, and phenolics, primarily.
  • 737
  • 19 Jan 2023
Topic Review
Impact of Biochar on Crop Production
Biochar (BC) is produced through the thermochemical decomposition of organic matter in a process known as pyrolysis. Importantly, the source of organic material, or ‘feedstock’, used in this process and different parameters of pyrolysis determine the chemical and physical properties of biochar. The incorporation of BC impacts soil–water relations and soil health, and it has been shown to have an overall positive impact on crop yield.
  • 723
  • 23 Dec 2021
Topic Review
Repeated Plant Debris Reutilization as Organic Amendment
Greenhouse agriculture typically generates large amounts of waste with plant residue (agricultural biomass) being the most abundant. This residue is generated on a seasonal basis, which complicates the external management of the material. Recently, the European Union (EU) has been implementing a policy based on sustainability through the circular economy that seeks to minimize waste generation. The effect of reusing 3.5 kg·m-2 tomato plants from the previous season as the only fertilizer versus no fertilization and inorganic fertilization in 215-day tomato cycles after transplanting was studied in this trial. The study was carried out during three seasons in greenhouse agriculture in Almeria (Spain) with the repeated use of the solarization technique. The plant debris had similar production results during two of the three seasons and fruit quality parameters were similar to inorganic fertilization. In addition, some physicochemical variables improved and the biological depressive effect of solarization was mitigated. The results suggest that the reuse of the tomato plant debris as the only fertilizer could be an alternative to conventional fertilization under the conditions tested. 
  • 700
  • 22 Nov 2021
Topic Review
Salicylic Acid in Watermelon-Resistant Fusarium Wilt
Fusarium wilt disease is leading threat to watermelon yield and quality. Different cultivation cropping systems have been reported as safe and efficient methods to control watermelon Fusarium wilt. However, the role of salicylic acid (SA) in watermelon resistance to Fusarium wilt in these different cultivation systems remains unknown. RNA-seq and qRT-PCR are used to study the effect of SA biosynthesis on improving watermelon health, demonstrating how it may be responsible for Fusarium wilt resistance under continuous monocropping and oilseed rape rotation systems. Results indicated that the expression of the CIPALs genes was key to SA accumulation in watermelon plants. The NPR family genes may have played different roles in responding to the SA signal.
  • 700
  • 03 Mar 2022
Topic Review
Roles of ERFs in Pathogen Response and Ripening
Fleshy fruits are generally hard and unpalatable when unripe; however, as they mature, their quality is transformed by the complex and dynamic genetic and biochemical process of ripening, which affects all cell compartments. Ripening fruits are enriched with nutrients such as acids, sugars, vitamins, attractive volatiles and pigments and develop a pleasant taste and texture and become attractive to eat. Ripening also increases sensitivity to pathogens, and this presents a crucial problem for fruit postharvest transport and storage: how to enhance pathogen resistance while maintaining ripening quality. Fruit development and ripening involve many changes in gene expression regulated by transcription factors (TFs), some of which respond to hormones such as auxin, abscisic acid (ABA) and ethylene. Ethylene response factor (ERF) TFs regulate both fruit ripening and resistance to pathogen stresses. Different ERFs regulate fruit ripening and/or pathogen responses in both fleshy climacteric and non-climacteric fruits and function cooperatively or independently of other TFs. The research summarizes the current status of studies on ERFs that regulate fruit ripening and responses to infection by several fungal pathogens, including a systematic ERF transcriptome analysis of fungal grey mould infection of tomato caused by Botrytis cinerea. This deepening understanding of the function of ERFs in fruit ripening and pathogen responses may identify novel approaches for engineering transcriptional regulation to improve fruit quality and pathogen resistance.
  • 695
  • 24 Oct 2023
Topic Review
Plant Growth and Development of Broccoli
Broccoli (Brassica oleracea L. var. italica Plenck.) is nowadays one of the most important vegetable crops worldwide, with an increasing demand by the market, due to its high nutritional value. From an agronomic point of view, the growth and development of broccoli can be divided into two stages; the first one starting from the transplanting to the onset of the head’s formation, which includes the meristem differentiation from vegetative to reproductive and the second one lasts from the onset of the head’s formation to its harvest. Both stages are strongly dependent on the environmental conditions (temperature, solar radiation, relative humidity, etc.) during cultivation, but each stage responds differently to them, which in turn makes it difficult to predict the effects on crop yield and head quality. 
  • 688
  • 21 Nov 2022
Topic Review
Therapeutic Gardens for Dementia People
Contact with nature involves the exposure to greenery in general, or it can involve specific activities such as gardening therapy or the use of therapeutic gardens, both of which are among the non-pharmacological treatments recommended for PWD and other kinds of disease [7,8]. Therapeutic gardens can be used more or less actively, for gardening or other activities (e.g., psychotherapy), or passively (for walking or simply sitting in). They can be built inside or outside care facilities. Including therapeutic gardens in care environments has positive effects on agitation, behavior, walking, stress levels, self-esteem, depression, and aggressiveness.
  • 679
  • 26 Oct 2021
Topic Review
Pest among Diversity of Pestiferous Thrips
The word “pest” can be interpreted in many ways, ranging from something that causes minor personal irritation to something that results in major economic losses. The various insects that are referred to as thrips are used to discuss the question “what is a pest”.  The diversity in biology among species of thrips is discussed of their respective families and subfamilies, emphasising that pest behaviour is found in relatively few species of the insect Order Thysanoptera. 
  • 633
  • 12 May 2022
Topic Review
Sustainable European Hazelnut Cultivation
European hazelnut (Corylus avellana L.) is a shrub native to temperate zones of the northern hemisphere, and it is the most important species among the Corylus genus, mainly due to its high kernel demand from the confectionery industry.
  • 633
  • 31 Jan 2023
Topic Review
Effects of Nitric Oxide on Fruit Ripening
Nitric oxide (NO) is a gaseous free radical that has been become a potential tool to maintain the quality of postharvest horticultural produce (such as fruits). It plays important roles in delaying ripening, alleviating chilling injury, preventing browning, and enhancing disease resistance. The regulatory function of NO is achieved through the post-transcriptional modification of proteins, such as tyrosine nitration, S-nitrosylation, and nitroalkylation. Secondly, NO can also induce the expression of stress-related genes by synergistically interacting with other signaling substances, such as Ca2+, ethylene (ETH), salicylic acid (SA), and jasmonic acid (JA). 
  • 623
  • 16 Feb 2023
Topic Review
The New Green Challenge in Urban Planning
The creation of green areas within urban centers was born as a response to profoundly different problems, such as the demographic increase and the progressive urbanization of landscapes. Moreover, up to date, the genetics of plants has not been considered for urban contexts. Considering the multitude of urban contexts, purposes, and needs for which green spaces in cities are created, it is today very challenging to provide an exhaustive definition of ‘urban area’ and its relative ‘urban vegetation’, since the geographic, climatic, and resource-related opportunities, and constraints, are not equally distributed factors across the world and specific for each context. Furthermore, urban vegetation can also include cultural plant typology with agricultural interest related to food production, such as the horticultural species.
  • 618
  • 08 Sep 2022
Topic Review
Breeding for Nutritional/Organoleptic Quality
Due to novel and more demanding consumers’ requirements, breeding of vegetable crops confronts new challenges to improve the nutritional level and overall appearance of produce. Such objectives are not easy to achieve considering the complex genetic and physiological bases. Overtime, plant breeders relied on a number of technologies and methods to achieve ever changing targets. F1 hybrid seed production allowed the exploitation of heterosis and facilitated the combination of resistance and other useful genes in a uniform outperforming variety. Mutagenesis and tissue culture techniques permitted to induce novel variation, overcome crossing barriers, and speed up the achievement of true-breeding lines. Marker-assisted selection was one of the milestones in fastening selection, starting from the early ’90s in almost all seed companies. 
  • 610
  • 14 Jul 2021
Topic Review
Adventitious Root Formation in Plants
Adventitious root formation is defined as the formation of new roots on above-ground plant parts and is considered crucial for the survival of a plant under harsh environmental conditions (i.e., flooding, salt stress, and other abiotic stresses) as well as in the nursery industry. Clonal propagation is based on the ability of a plant part to grow and generate a completely new plant, genetically identical to the mother plant, where the plant part came from.
  • 609
  • 25 Apr 2023
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