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UDC: 631.95:581.132.1:547.857.7
DEVELOPMENT OF INNOVATIVE TECHNOLOGY FOR
PHYTOMELIORATION OF DESERT AREAS BASED ON 6-
AMINOPURINE-MODIFIED HYDROGELS
Eshboboye Tu aqul Usmono ich, Sai kulo Foziljon E gashe ich,
Tashken s a e ag a ian uni e si y, Tashken
Yuldoshe a Nasiba E kebaye na, Tu imbe o Mu a bay Shamshe o ich,
Ka akalpaks an ins i u e o ag icul u e and ag o echnology [email p o ec ed]
DOI: h ps://doi.o g/10.5281/zenodo.17537326
Abs ac : The s udy ocuses on he de elopmen o inno a i e echnology o he
phy omelio a ion o dese a eas using 6-aminopu ine-modi ied hyd ogels. These hyd ogels
se e as wa e - e aining and biologically ac i e ma e ials ha enhance plan g ow h and
su i al unde a id condi ions. The syn hesis and physicochemical cha ac e iza ion o he
modi ied hyd ogels we e ca ied ou o de e mine hei swelling capaci y, s abili y, and
biodeg adabili y. Expe imen al ials wi h Haloxylon aphyllum (saxaul) demons a ed ha 6-
aminopu ine-modi ied hyd ogels signi ican ly imp o e seed ge mina ion, wa e e en ion in soil,
and d ough ole ance. The esul s indica e he po en ial o such bioac i e ma e ials o
es o ing ege a ion and mi iga ing dese i ica ion. This app oach ep esen s a sus ainable
solu ion o imp o ing soil e ili y and p omo ing ecological balance in d y ecosys ems.
Keywo ds: 6-aminopu ine, hyd ogel, phy omelio a ion, dese i ica ion, saxaul, d ough
esis ance, soil es o a ion, bioac i e polyme .
In oduc ion. Dese i ica ion is one o he mos c i ical en i onmen al
challenges h ea ening he sus ainabili y o ecosys ems, ag icul u e, and
biodi e si y wo ldwide. La ge a eas o a id and semi-a id lands a e expe iencing
p og essi e soil deg ada ion, loss o ege a ion co e , and educed wa e
a ailabili y. These phenomena a e pa icula ly se e e in Cen al Asian egions,
including Uzbekis an, whe e he expansion o dese landscapes such as he
Kyzylkum and Ka akum dese s and he ecological c isis in he A al Sea egion
ha e led o d ama ic ecological and socio-economic consequences. The u gen
need o ehabili a e and es o e hese deg aded lands has led o inc eased in e es in
phy omelio a ion — he use o plan s o s abilize soils, imp o e e ili y, and
es o e he na u al ecological balance. Howe e , plan es ablishmen and g ow h in
such ex eme condi ions emain challenging due o high empe a u es, poo soil
s uc u e, and wa e sca ci y. The e o e, inno a i e app oaches combining plan
physiology, chemis y, and ma e ials science a e equi ed o enhance plan su i al
and g ow h in a id en i onmen s. In ecen yea s, he de elopmen o sma
polyme ic ma e ials, such as hyd ogels, has o e ed new oppo uni ies o
add essing wa e sca ci y in ag icul u e and land eclama ion. Hyd ogels a e h ee-
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dimensional polyme ic ne wo ks capable o abso bing and e aining la ge amoun s
o wa e while main aining s uc u al in eg i y. They can slowly elease wa e and
nu ien s o plan oo s, he eby imp o ing he wa e -use e iciency and enhancing
soil mois u e e en ion. By in eg a ing bioac i e compounds wi h hyd ogels, i is
possible o c ea e mul i unc ional sys ems ha no only p o ide mois u e bu also
s imula e physiological and biochemical p ocesses in plan s. One p omising
app oach in ol es he inco po a ion o biologically ac i e ni ogen-con aining
he e ocyclic compounds such as 6-aminopu ine, commonly known as adenine,
which plays a c ucial ole in plan me abolism as a p ecu so o cy okinins. 6-
Aminopu ine is a pu ine de i a i e ha ac s as a plan g ow h egula o by
in luencing cell di ision, di e en ia ion, and mo phogenesis. I has been widely
s udied o i s abili y o s imula e chlo ophyll syn hesis, delay senescence, and
enhance he g ow h o oo s and shoo s. Howe e , he di ec applica ion o 6-
aminopu ine o plan s o en aces limi a ions such as apid deg ada ion, poo
solubili y, and uncon olled elease, which educes i s long- e m e ec i eness
unde ield condi ions. To o e come hese d awbacks, chemical modi ica ion and
encapsula ion o 6-aminopu ine in o polyme ic hyd ogels ha e eme ged as
p omising s a egies. The de elopmen o hyd ogels modi ied wi h 6-aminopu ine
can ensu e sus ained elease o his bioac i e compound, p o ide localized deli e y
nea he oo zone, and imp o e he o e all esilience o plan s unde d ough and
salini y s ess[1-5]. The c ea ion o 6-aminopu ine-modi ied hyd ogels in ol es
combining o ganic syn hesis echniques wi h ad anced polyme chemis y. These
hyd ogels can be syn hesized using na u al o syn he ic polyme s such as
polyac ylamide, poly inyl alcohol, o chi osan, which a e c osslinked in he
p esence o 6-aminopu ine molecules. The esul ing ma e ials exhibi high wa e -
abso p ion capaci y, biocompa ibili y, and chemical s abili y, making hem sui able
o long- e m soil applica ion. Mo eo e , h ough con olled elease mechanisms,
he hyd ogels can g adually deli e bo h wa e and biologically ac i e molecules o
plan oo s, c ea ing a mic oen i onmen a o able o seed ge mina ion and plan
es ablishmen . Phy omelio a ion o dese a eas using d ough - esis an species
such as Haloxylon aphyllum (saxaul) has gained pa icula a en ion due o i s
ecological signi icance in s abilizing sand dunes, p e en ing wind e osion, and
main aining soil e ili y. Saxaul is a keys one species in Cen al Asian dese s,
playing a i al ole in main aining he ecological equilib ium o hese agile
ecosys ems. The combina ion o 6-aminopu ine-modi ied hyd ogels wi h
phy omelio a ion echnology in oduces a new gene a ion o eco- iendly soil
condi ione s ha simul aneously ac as wa e ese oi s and plan g ow h
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s imula o s. Such ma e ials can abso b ain all o i iga ion wa e du ing we
pe iods and elease i du ing d y spells, hus educing he equency o wa e ing
and imp o ing plan wa e a ailabili y. Fu he mo e, he g adual elease o 6-
aminopu ine enhances cy okinin ac i i y wi hin plan issues, p omo ing
pho osyn hesis, nu ien up ake, and cell di ision. This in eg a ed app oach can
d as ically imp o e he su i al a e o seedlings in dese eclama ion p ojec s,
making i a sus ainable and cos -e ec i e solu ion o a id land es o a ion.
Ano he essen ial aspec o his echnology lies in he en i onmen al sa e y
and biodeg adabili y o he ma e ials used. Hyd ogels de eloped om
biocompa ible polyme s deg ade g adually unde na u al condi ions, p e en ing
soil con amina ion and suppo ing he long- e m heal h o he ecosys em.
Addi ionally, he use o 6-aminopu ine, a na u ally occu ing pu ine base, ensu es
non- oxici y o soil mic oo ganisms and plan s, aligning wi h mode n p inciples o
g een chemis y and sus ainable ag icul u e.
The de elopmen o 6-aminopu ine-modi ied hyd ogels as a soil-condi ioning
and plan -g ow h-p omo ing sys em ep esen s a p omising s ep owa d achie ing
sus ainable land managemen in a id egions. This inno a i e echnology no only
add esses he immedia e challenges o wa e sca ci y and low plan su i al bu
also se s a ounda ion o u u e esea ch in g een chemis y, bioma e ials, and
plan –soil in e ac ion. The in eg a ion o chemical syn hesis, ma e ial enginee ing,
and ecological es o a ion p o ides a comp ehensi e amewo k o ad ancing
dese ag icul u e and en i onmen al ehabili a ion.
In conclusion, his s udy seeks o design, syn hesize, and e alua e he
pe o mance o 6-aminopu ine-modi ied hyd ogels o enhancing plan g ow h and
soil imp o emen in dese a eas. By me ging biological ac i i y wi h wa e -
e en ion capabili y, he p oposed ma e ials a e expec ed o e olu ionize
phy omelio a ion p ac ices, enabling e icien , eco- iendly, and esilien land
es o a ion in he wo ld’s mos challenging ecosys ems.
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