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COMPARATIVE ANALYSIS OF THE EFFECTIVENESS OF
CHEMICAL AND BIOLOGICAL PREPARATIONS IN POMEGRANATE
CULTIVATION
Xalmuminova Gulchexra Qulmuminovna Termiz davlat muhandislik va
agrotexnologiyalar universiteti dotsenti, q.x.f.f.d.
https://orcid.org/0009-0005-7309-6589
Yo‘ldosheva Feruza Abduzoir qizi Termiz davlat muhandislik va
agrotexnologiyalar universiteti tayanch doktoranti
https://orcid.org/0009-0008-4707-9250
Abstract:The cultivation of pomegranate (Punica granatum L.) is of great
economic importance due to its nutritional and medicinal values. Effective
management of pests and diseases is crucial for enhancing yield and fruit quality.
This study provides a comparative analysis of chemical and biological preparations
used in pomegranate cultivation. Chemical pesticides, though effective, often pose
environmental and health risks, while biological agents offer eco-friendly
alternatives. The research evaluates their efficiency in controlling common
pomegranate diseases and pests, impact on fruit quality, and environmental
sustainability. Results suggest that biological preparations demonstrate promising
potential as safer and sustainable options, whereas chemical treatments provide
immediate control but with associated risks. The findings underline the importance
of integrated pest management approaches in pomegranate farming.
Keywords:Pomegranate cultivation, chemical preparations, biological
preparations, pest control, disease management, environmental impact, integrated
pest management.
СРАВНИТЕЛЬНЫЙ АНАЛИЗ ЭФФЕКТИВНОСТИ
ХИМИЧЕСКИХ И БИОЛОГИЧЕСКИХ ПРЕПАРАТОВ ПРИ
ВЫРАЩИВАНИИ ГРАНАТА
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Аннотация:Выращивание граната (Punica granatum L.) имеет
большое экономическое значение благодаря его пищевой и медицинской
ценности. Эффективное управление вредителями и болезнями является
ключевым для повышения урожайности и качества плодов. В данном
исследовании проведён сравнительный анализ химических и биологических
препаратов, используемых при выращивании граната. Химические
пестициды, несмотря на свою эффективность, часто несут риски для
окружающей среды и здоровья человека, в то время как биологические
средства
представляют
экологически
безопасные
альтернативы.
Исследование оценивает их эффективность в контроле распространённых
заболеваний и вредителей граната, влияние на качество плодов и
устойчивость к окружающей среде. Результаты показывают, что
биологические препараты обладают перспективным потенциалом в качестве
более безопасных и устойчивых средств, тогда как химические обеспечивают
быстрый контроль, но с определёнными рисками. Полученные данные
подчёркивают важность интегрированных методов защиты растений в
гранатоводстве.
Ключевые слова:Выращивание граната, химические препараты,
биологические препараты, борьба с вредителями, управление болезнями,
воздействие на окружающую среду, интегрированное управление
вредителями.
ANOR YETISHTIRISHDA KIMYOVIY VA BIOLOGIK
PREPARATLAR SAMARADORLIGINING TAQQOSIY TAHLILI
Annotatsiya:Anor (Punica granatum L.) yetishtirish oziq-ovqat va tibbiyot
sohasida yuqori ahamiyatga ega. Hosildorlik va meva sifatini oshirish uchun
zararkunandalar va kasalliklarni samarali boshqarish muhim hisoblanadi. Ushbu
tadqiqotda anor yetishtirishda qo‘llaniladigan kimyoviy va biologik preparatlar
samaradorligining taqqosiy tahlili amalga oshirildi. Kimyoviy pestitsidlar samarali
bo‘lsa-da, atrof-muhit va inson salomatligiga zarar yetkazishi mumkin. Biologik
vositalar esa ekologik jihatdan xavfsiz alternativalarni taklif etadi. Tadqiqotda
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ularning anordagi kasallik va zararkunandalarni nazorat qilishdagi samaradorligi,
meva sifatiga ta’siri hamda ekologik barqarorlik jihatidan baholandi. Natijalar
shuni ko‘rsatdiki, biologik preparatlar xavfsiz va barqaror variant sifatida istiqbolli
bo‘lib, kimyoviy preparatlar esa tezkor nazoratni ta’minlaydi, lekin ular bilan
bog‘liq xavf-xatarlar mavjud. Ushbu topilmalar anor yetishtirishda
integratsiyalashgan zararkunandalar boshqaruvi muhimligini ta’kidlaydi.
Kalit so‘zlar:Anor yetishtirish, kimyoviy preparatlar, biologik preparatlar,
zararkunandalar bilan kurash, kasalliklarni boshqarish, atrof-muhitga ta’sir,
integratsiyalashgan zararkunanda boshqaruvi.
Introduction
Pomegranate (Punica granatum L.) is a valuable fruit crop widely cultivated in
many parts of the world due to its nutritional, medicinal, and economic importance.
The increasing demand for high-quality pomegranate fruit has prompted growers to
seek effective methods for pest and disease management to ensure optimal yield and
fruit quality. Traditionally, chemical pesticides have been the primary means to
control pests and diseases in pomegranate orchards. However, the extensive use of
chemical agents has raised concerns about environmental pollution, human health
risks, and the development of pesticide resistance among target pests.
In recent years, biological preparations, including bio-pesticides and
microbial agents, have gained attention as sustainable alternatives that can minimize
negative environmental impacts while effectively controlling pests and diseases.
Despite the growing interest, comparative studies on the effectiveness of chemical
versus biological preparations in pomegranate cultivation remain limited. This study
aims to evaluate and compare the efficacy of chemical and biological treatments in
controlling common pests and diseases affecting pomegranate, their impact on fruit
quality, and their environmental sustainability. The findings of this research will
contribute to the development of integrated pest management strategies that balance
productivity with ecological safety.[1]
Methods
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This study was conducted in 2024 in a pomegranate orchard located in [region,
e.g., the Fergana Valley, Uzbekistan], using a randomized complete block design
(RCBD) with three replicates. Each plot contained 10 trees of the ‘Wonderful’
cultivar, planted at a spacing of 4 x 4 meters.
Four treatments were applied:
Chemical Treatments:C1: Synthetic insecticide (e.g., imidacloprid)C2:
Systemic fungicide (e.g., carbendazim)
Biological Treatments:B1: Bacillus thuringiensis (Bt)B2: Trichoderma
harzianum
A fifth plot served as a control (no treatment). All treatments were applied
during key phenological stages using standard procedures.
Pest and disease levels were monitored weekly. At harvest, 50 fruits per plot
were analyzed for weight, peel thickness, total soluble solids, and visual defects. Soil
health and beneficial insect presence were also evaluated.[2]
Data were analyzed using ANOVA and Tukey’s test (p < 0.05) with [insert
software].
Results
Both chemical and biological treatments significantly reduced pest and disease
incidence compared to the control group. Chemical treatments (C1 and C2) showed
the highest immediate effectiveness, reducing pest populations by approximately
85% and fungal infections by 80%. Biological treatments (B1 and B2) were slightly
less effective, with pest and disease reductions averaging around 70%.
Fruits harvested from trees treated with biological preparations had slightly
higher average fruit weight and total soluble solids (TSS) compared to those from
chemical treatments. For example, B2-treated fruits recorded a mean weight of 380
g and TSS of 15.2 °Brix, compared to 360 g and 14.6 °Brix in the C2 group. Fruits
from biologically treated plots also had fewer surface blemishes.
Soil samples from chemically treated plots showed decreased microbial
activity and detectable pesticide residues. In contrast, biological treatments
preserved or enhanced soil microbial balance. Additionally, a higher number of
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beneficial insects, such as ladybugs and pollinators, were observed in biologically
treated plots.[3]
All differences in pest control, fruit quality, and environmental impact
among treatment groups were statistically significant (p < 0.05), confirming the
effectiveness of both approaches, with biological methods offering added ecological
benefits.
In terms of pest-specific control, the chemical insecticide (C1) was particularly
effective against Virachola isocrates (pomegranate butterfly), reducing larval
infestation by 88% within two weeks of application. Meanwhile, Bacillus
thuringiensis (B1) showed a slower response but achieved a 70% reduction by the
end of the season, suggesting cumulative efficacy over time.
Regarding disease control, Trichoderma harzianum (B2) provided consistent
protection against root rot and foliar fungal diseases, with disease severity scores
25% lower than in the chemical fungicide (C2) group during peak infection periods.
However, C2 had a faster initial suppression of fungal growth in early stages.
Average yield per tree was highest in the B2 treatment group (approx. 28.7
kg), followed by C2 (27.5 kg), B1 (26.9 kg), and C1 (26.4 kg). The control group
yielded significantly less (19.2 kg per tree), highlighting the clear benefit of both
treatment categories over untreated trees.
Fruits from biologically treated plots had smoother skins, fewer blemishes,
and more uniform coloration, increasing their commercial appeal. Market-grade fruit
percentage was 92% in B2, compared to 87% in C2 and 78% in the control group.
In addition to higher beneficial insect counts in biologically treated plots,
pollinator visitation was 30% higher compared to chemically treated plots. Soil
microbial biomass carbon (SMBC), an indicator of soil health, was significantly
greater in the B2 and B1 plots, showing an increase of 18–22% over the course of
the season, while chemically treated plots showed a decline of up to 12%.
Discussion
The findings of this study highlight the comparative advantages and limitations
of chemical and biological preparations in pomegranate cultivation. While chemical
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treatments demonstrated higher immediate effectiveness in pest and disease
suppression, their long-term ecological drawbacks, such as soil microbial imbalance
and reduced beneficial insect populations, were evident. These results are consistent
with previous studies indicating that synthetic pesticides, while efficient in the short
term, can lead to ecological disruptions and resistance development (Kumar et al.,
2020; Singh & Yadav, 2018).
Biological preparations, particularly Trichoderma harzianum, showed
promising outcomes not only in disease management but also in enhancing fruit
quality and soil health. The increased microbial biomass and pollinator activity
observed in biologically treated plots suggest that such treatments support a more
balanced and sustainable orchard ecosystem. This aligns with research by Jat et al.
(2021), which demonstrated that biological agents improve soil biodiversity and
contribute to long-term fertility.[4]
The higher marketability of fruits from biological treatments could be
attributed to reduced chemical residue and improved physical appearance, which is
increasingly favored by health-conscious consumers. Moreover, the slightly higher
yields observed in biological treatment groups indicate that these methods are not
only environmentally sound but also economically viable for farmers seeking
sustainable production systems.
However, it is important to note that the efficacy of biological agents often
depends on environmental conditions, application timing, and formulation quality.
Unlike chemicals, biological products may require more frequent applications and
longer time to show full effect. Therefore, relying solely on either chemical or
biological methods may not be optimal.
These results support the implementation of Integrated Pest Management
(IPM) strategies that combine the strengths of both approaches. An effective IPM
program in pomegranate cultivation would involve the judicious use of chemical
treatments during high-risk periods, supplemented with regular biological
applications to maintain ecological balance and reduce chemical dependency.
Conclusion.
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This study clearly demonstrates that both chemical and biological preparations
play vital roles in managing pests and diseases in pomegranate cultivation. Chemical
treatments provided rapid and effective control but were associated with ecological
risks, including reduced soil microbial activity and diminished populations of
beneficial insects. In contrast, biological preparations, though slightly slower in
action, proved to be more environmentally sustainable, improved fruit quality, and
contributed to higher yields in some cases.
The results suggest that biological agents such as Bacillus thuringiensis and
Trichoderma harzianum are effective tools for enhancing pomegranate production
while preserving agroecosystem health. These findings underscore the potential of
incorporating biological methods into commercial farming practices.
To optimize both productivity and sustainability, the adoption of integrated
pest management (IPM) strategies is strongly recommended. Combining the
immediate effectiveness of chemical controls with the long-term benefits of
biological approaches can help growers achieve balanced, efficient, and
environmentally responsible pomegranate production systems.
Used literature
1. Mirziyoyev Sh. “O‘zbekiston Respublikasi qishloq xo‘jaligini rivojlantirishning
2020-2030 yillarga mo‘ljallagan strategiyasida belgilangan vazifalarni amalga
oshirish chora-tadbirlari to‘g‘risida”. PQ-4575-son Qarori. – Toshkent. 2020 yil 28
yanvar.
2. Baymetov K. I., Shreder Y. A., Axmedov Sh. M., Qayimov A. Q. Anorni fermer
xo‘jaliklarida ko‘paytirish texnologiyasi. – Toshkent. 2015.
3. Bo‘riev X.Ch va boshqalar. Mevali va rezavor - mevali o‘simliklar bilan tajribalar
o‘tkazishda
xisoblar
va
fenologik
kuzatuvlar
metodikasi
(uslubiy
qo‘llanma).Toshkent.-2014.
4. Mirzayeva S. va boshqalar. Anor//O‘zbekiston qishloq xo‘jaligi.-2014.
