4 research outputs found
Opinion: Hybrid nanoparticle systems β Two-way delivery approach for agriculture
Nanometric carriers have great potential for promoting agrochemical target delivery and dose reduction while transforming agriculture into a more sustainable environment. Many nanoplatforms, such as metal, polymeric, clay, and carbon-based, are developed differently. However, new possibilities of a mixture between nanomaterials are explored by scientists called hybrid nanoparticles. The information about these nanosystems was focused on development and characterization, target and non-target effects, and uptake of nanoparticles applied to reach root or foliar pathways in plants. In this scenario, a lack of application possibilities exists and can be explored more in the future. Hybrid nanoparticles can be developed as smart carrier to deliver nanoparticles and agrochemicals in a two-way approach for uptake by root and foliar routes simultaneously in plants. The advance of nanocarrier strategies depends on the design of nanoparticles considering nanomaterial and agrochemical characteristics and target plants. The main gaps and recent reports are discussed here. Furthermore, platforms have been suggested to enable two-way delivery for agricultural applications in more sustainable farming systems
Use of botanical insecticides for sustainable agriculture : future perspectives
Recent decades have witnessed major growth in the use of agrochemicals worldwide, β for maximizing the food production for a rapidly growing human population. However, the indiscriminate use of these substances especially the pesticides has led to the accumulation of toxic residues in food, soil, air, and water, as well as the development of resistance in pests. Moreover, pesticides affect soil enzymes, which are essential catalysts that govern soil quality. In order to meet the food security, it is necessary to produce more food, sustainably and safely, in a diminishing area of available arable land and with decreased water resources. Given this situation, there is an increased interest in the use of alternative substances to synthetic agrochemicals that present less risk to the environment and human health while increasing the food safety. Promising results have been obtained using compounds derived from aromatic plants for the control of agricultural pests. Such compounds of botanical origin can be highly effective, with multiple mechanisms of action, while at the same time having low toxicity towards nontarget organisms. However, the large-scale application of these substances for pest control is limited by their poor stability and other technological issues. In this backdrop, the present work discusses perspectives for the use of compounds of botanical origin, as well as strategies employing the encapsulation techniques that can contribute to the development of systems for use in sustainable agricultural practices105483495FUNDAΓΓO DE AMPARO Γ PESQUISA DO ESTADO DE SΓO PAULO - FAPESP2014/20273-4; 2014/20286-9; 2015/15617-
Encapsulated plant growth regulators and associative microorganisms: Nature-based solutions to mitigate the effects of climate change on plants
International audienceOver the past decades, the atmospheric CO2 concentration and global average temperature have been increasing, and this trend is projected to soon become more severe. This scenario of climate change intensifies abiotic stress factors (such as drought, flooding, salinity, and ultraviolet radiation) that threaten forest and associated ecosystems as well as crop production. These factors can negatively affect plant growth and development with a consequent reduction in plant biomass accumulation and yield, in addition to increasing plant susceptibility to biotic stresses. Recently, biostimulants have become a hotspot as an effective and sustainable alternative to alleviate the negative effects of stresses on plants. However, the majority of biostimulants have poor stability under environmental conditions, which leads to premature degradation, shortening their biological activity. To solve these bottlenecks, micro- and nano-based formulations containing biostimulant molecules and/or microorganisms are gaining attention, as they demonstrate several advantages over their conventional formulations. In this review, we focus on the encapsulation of plant growth regulators and plant associative microorganisms as a strategy to boost their application for plant protection against abiotic stresses. We also address the potential limitations and challenges faced for the implementation of this technology, as well as possibilities regarding future research
ΠΡΠ½ΠΎΠ²Π½ΡΠ΅ Ρ Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ Π½Π°Π½ΠΎΡΠ°Π·ΠΌΠ΅ΡΠ½ΡΡ ΡΠΈΡΡΠ΅ΠΌ Π΄ΠΎΡΡΠ°Π²ΠΊΠΈ, ΠΏΡΠ΅Π΄Π½Π°Π·Π½Π°ΡΠ΅Π½Π½ΡΡ Π΄Π»Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ Π² ΡΠ΅Π»ΡΡΠΊΠΎΠΌ Ρ ΠΎΠ·ΡΠΉΡΡΠ²Π΅
Due to the excessive use of chemical agents in agriculture, numerous problems have arisen, such as contamination of the environment, intoxication of non-target organisms and the development of resistance mechanisms by pests. To overcome these challenges, several sustainable technological approaches are being explored, and nanotechnology is one of them. This review aims to provide insights into the use of nanotechnology related to the agricultural sector. Articles were selected using the Web of Science and Science Direct databases; more than 50 manuscripts between 2015 and 2019 were reviewed. This review includes systems based on nanotechnology, in particular, for the sustained release of active ingredients for pest control, nutrition and plant growth. Nanoparticle-based formulations have great potential to increase agricultural productivity and reduce health and environmental impacts. However, there are certain technological challenges that must be addressed to allow the adoption of this technology for wider use in agri-food productionΠ§ΡΠ΅Π·ΠΌΠ΅ΡΠ½ΠΎΠ΅ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
Π²Π΅ΡΠ΅ΡΡΠ² Π² ΡΠ΅Π»ΡΡΠΊΠΎΠΌ Ρ
ΠΎΠ·ΡΠΉΡΡΠ²Π΅ ΠΏΡΠΈΠ²Π΅Π»ΠΎ ΠΊ Π²ΠΎΠ·Π½ΠΈΠΊΠ½ΠΎΠ²Π΅Π½ΠΈΡ ΠΌΠ½ΠΎΠΆΠ΅ΡΡΠ²Π° ΠΏΡΠΎΠ±Π»Π΅ΠΌ, Π² ΡΠ°ΡΡΠ½ΠΎΡΡΠΈ Π·Π°Π³ΡΡΠ·Π½Π΅Π½ΠΈΡ ΠΎΠΊΡΡΠΆΠ°ΡΡΠ΅ΠΉ ΡΡΠ΅Π΄Ρ, ΡΠΎΠΊΡΠΈΡΠ΅ΡΠΊΠΎΠΌΡ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΡ Π½Π° ΠΎΡΠ³Π°Π½ΠΈΠ·ΠΌΡ, Π½Π΅ ΡΠ²Π»ΡΡΡΠΈΡ
ΡΡ ΠΌΠΈΡΠ΅Π½ΡΠΌΠΈ, Π° ΡΠ°ΠΊΠΆΠ΅ ΠΊ ΡΠ°Π·Π²ΠΈΡΠΈΡ ΠΌΠ΅Ρ
Π°Π½ΠΈΠ·ΠΌΠΎΠ² ΡΡΡΠΎΠΉΡΠΈΠ²ΠΎΡΡΠΈ Ρ Π²ΡΠ΅Π΄ΠΈΡΠ΅Π»Π΅ΠΉ. ΠΠ»Ρ ΠΏΡΠ΅ΠΎΠ΄ΠΎΠ»Π΅Π½ΠΈΡ ΡΡΠΈΡ
Π²ΡΠ·ΠΎΠ²ΠΎΠ² ΠΈΠ·ΡΡΠ°Π΅ΡΡΡ ΡΡΠ΄ ΡΡΡΠΎΠΉΡΠΈΠ²ΡΡ
ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠΎΠ΄Ρ
ΠΎΠ΄ΠΎΠ², ΠΎΠ΄Π½ΠΈΠΌ ΠΈΠ· ΠΊΠΎΡΠΎΡΡΡ
Π²ΡΡΡΡΠΏΠ°Π΅Ρ Π½Π°Π½ΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡ. ΠΠ°Π½Π½ΡΠΉ ΠΎΠ±Π·ΠΎΡ ΠΏΡΠΈΠ·Π²Π°Π½ Π΄Π°ΡΡ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ ΠΎΠ± ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠΈ Π½Π°Π½ΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ ΠΏΡΠΈΠΌΠ΅Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎ ΠΊ ΡΠ΅Π»ΡΡΠΊΠΎΡ
ΠΎΠ·ΡΠΉΡΡΠ²Π΅Π½Π½ΠΎΠΌΡ ΡΠ΅ΠΊΡΠΎΡΡ. Π‘ΡΠ°ΡΡΠΈ ΠΎΡΠ±ΠΈΡΠ°Π»ΠΈ Ρ ΠΏΠΎΠΌΠΎΡΡΡ Π±Π°Π· Π΄Π°Π½Π½ΡΡ
Web of Science ΠΈ Science Direct; Π±ΡΠ»ΠΎ ΠΏΡΠΎΠ°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½ΠΎ Π±ΠΎΠ»Π΅Π΅ 50 ΡΡΠΊΠΎΠΏΠΈΡΠ΅ΠΉ Π·Π° ΠΏΠ΅ΡΠΈΠΎΠ΄ Ρ 2015 ΠΏΠΎ 2019 Π³ΠΎΠ΄. ΠΠ±Π·ΠΎΡ ΠΎΠΏΠΈΡΡΠ²Π°Π΅Ρ Π½Π°Π½ΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠΈΡΡΠ΅ΠΌΡ, Π² ΡΠ°ΡΡΠ½ΠΎΡΡΠΈ, Π΄Π»Ρ Π·Π°ΠΌΠ΅Π΄Π»Π΅Π½Π½ΠΎΠ³ΠΎ Π²ΡΡΠ²ΠΎΠ±ΠΎΠΆΠ΄Π΅Π½ΠΈΡ Π°ΠΊΡΠΈΠ²Π½ΡΡ
ΠΈΠ½Π³ΡΠ΅Π΄ΠΈΠ΅Π½ΡΠΎΠ² Π΄Π»Ρ Π±ΠΎΡΡΠ±Ρ Ρ Π²ΡΠ΅Π΄ΠΈΡΠ΅Π»ΡΠΌΠΈ, Π΄Π»Ρ ΠΏΠΈΡΠ°Π½ΠΈΡ ΠΈ ΡΠΎΡΡΠ° ΡΠ°ΡΡΠ΅Π½ΠΈΠΉ. ΠΡΠ΅ΠΏΠ°ΡΠ°ΡΡ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡ ΠΈΠΌΠ΅ΡΡ Π±ΠΎΠ»ΡΡΠΎΠΉ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π» Π΄Π»Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΡΠ΅Π»ΡΡΠΊΠΎΠ³ΠΎ Ρ
ΠΎΠ·ΡΠΉΡΡΠ²Π° ΠΈ ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΡ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΡ Π½Π° Π·Π΄ΠΎΡΠΎΠ²ΡΠ΅ ΠΈ ΠΎΠΊΡΡΠΆΠ°ΡΡΡΡ ΡΡΠ΅Π΄Ρ. Π’Π΅ΠΌ Π½Π΅ ΠΌΠ΅Π½Π΅Π΅ ΠΎΡΡΠ°ΡΡΡΡ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π½ΡΠ΅ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ, ΠΊΠΎΡΠΎΡΡΠ΅ Π΄ΠΎΠ»ΠΆΠ½Ρ Π±ΡΡΡ ΡΠ΅ΡΠ΅Π½Ρ Π΄Π»Ρ Π±ΠΎΠ»Π΅Π΅ ΡΠΈΡΠΎΠΊΠΎΠ³ΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ ΡΡΠΈΡ
ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ Π² ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π΅ ΠΏΡΠΎΠ΄ΡΠΊΡΠΎΠ² ΠΏΠΈΡΠ°Π½ΠΈ