Reproductive biology, phenological cycles, and regeneration potential of endangered desert flora in the aral sea basin

Orazbaev, Timur Joldasbaevich, Ajiev, Alisher Baxtıbaevich

Қўқон ДПИ. Илмий хабарлар · 2026-yil

Annotatsiya

The progressive desiccation of the Aral Sea has led to severe degradation of native phytocenoses across the Ustyurt Plateau and the Lower Amudarya basin. Preserving endangered and economically valuable relict plant species requires detailed knowledge of their ontogenetic dynamics, reproductive biology, and ex situ adaptive thresholds. This investigation analyzes the seasonal developmental rhythms, flowering biology, diaspore productivity, and root system characteristics of two key arid species—Cynoglossum viridiflorum Pall. ex Lehm. (Boraginaceae) and Malacocarpus crithmifolius (Retz.) C.A. Mey. (Nitrariaceae)—under natural chink conditions and ex situ cultivation at the Muynak experimental station (Karakalpakstan). Multi-year phenological evaluations (2021–2025) demonstrated that vegetative inception and the duration of active anthesis and fruiting are heavily regulated by cumulative early spring thermal regimes and localized precipitation pulses. The vegetative cycle of C. viridiflorum ranges from 86 to 117 days, whereas M. crithmifolius displays an extended vegetative phase of 169 to 194 days. The reproductive capacity of both taxa exhibits high evolutionary stabilization: C. viridiflorum forms glochidiate eremes yielding 33.50–33.52 g per 1,000 diaspores, showing reliable seed emergence without artificial scarification, while M. crithmifolius develops both entomophilous cross-pollination and facultative autogamy, yielding mature seeds (1,000-seed mass 22–24 g) that do not prematurely shed. Both species develop deep-reaching, multi-tier root architectures (2.5–4.0 m) with notable lateral regenerative capacity on structured loamy soils. These empirical results provide an agrotechnical framework for establishing primary seed repositories, preventing wind erosion, and rehabilitating anthropogenically depleted pastures throughout Southern Priaralye.

Maqola ma’lumotlari
MualliflarOrazbaev, Timur Joldasbaevich, Ajiev, Alisher Baxtıbaevich
JurnalҚўқон ДПИ. Илмий хабарлар
NashriyotҚўқон давлат педагогика институти
ISSN3030-3958
Nashr sanasi2026-10-10
Jild8
Son9
Betlar1179-1186
TilIngliz
DOI10.70728/a.series.tab.v08.i09.155
Indeksga qo‘shilgan2026-10-11

DOI: 10.70728/a.series.tab.v08.i09.155 · Maqolaning asl sahifasi

Kalit so‘zlar

Cynoglossum viridiflorum, Malacocarpus crithmifolius, reproductive biology, phenological dynamics, root morphology, ex situ conservation, Southern Aral Sea region, drought adaptation.

Iqtibos keltirish

APAOrazbaev, Timur Joldasbaevich, & Ajiev, Alisher Baxtıbaevich (2026). REPRODUCTIVE BIOLOGY, PHENOLOGICAL CYCLES, AND REGENERATION POTENTIAL OF ENDANGERED DESERT FLORA IN THE ARAL SEA BASIN. Қўқон ДПИ. Илмий хабарлар, 8(9), 1179-1186. https://doi.org/10.70728/a.series.tab.v08.i09.155
GOST (OAK)Orazbaev, Timur Joldasbaevich, Ajiev, Alisher Baxtıbaevich REPRODUCTIVE BIOLOGY, PHENOLOGICAL CYCLES, AND REGENERATION POTENTIAL OF ENDANGERED DESERT FLORA IN THE ARAL SEA BASIN // Қўқон ДПИ. Илмий хабарлар. – 2026. – T. 8, № 9. – P. 1179-1186. – DOI: 10.70728/a.series.tab.v08.i09.155.
MLAOrazbaev, Timur Joldasbaevich, and Ajiev, Alisher Baxtıbaevich. “REPRODUCTIVE BIOLOGY, PHENOLOGICAL CYCLES, AND REGENERATION POTENTIAL OF ENDANGERED DESERT FLORA IN THE ARAL SEA BASIN.” Қўқон ДПИ. Илмий хабарлар, 8(9), 1179-1186, 2026. https://doi.org/10.70728/a.series.tab.v08.i09.155
ChicagoOrazbaev, Timur Joldasbaevich, and Ajiev, Alisher Baxtıbaevich. “REPRODUCTIVE BIOLOGY, PHENOLOGICAL CYCLES, AND REGENERATION POTENTIAL OF ENDANGERED DESERT FLORA IN THE ARAL SEA BASIN.” Қўқон ДПИ. Илмий хабарлар, 8(9), 1179-1186 (2026). https://doi.org/10.70728/a.series.tab.v08.i09.155
HarvardOrazbaev, Timur Joldasbaevich, and Ajiev, Alisher Baxtıbaevich (2026) ‘REPRODUCTIVE BIOLOGY, PHENOLOGICAL CYCLES, AND REGENERATION POTENTIAL OF ENDANGERED DESERT FLORA IN THE ARAL SEA BASIN’, Қўқон ДПИ. Илмий хабарлар, 8(9), 1179-1186. https://doi.org/10.70728/a.series.tab.v08.i09.155
BibTeX
@article{orazbaevtimurjoldasbaevich2026,
  title = {REPRODUCTIVE BIOLOGY, PHENOLOGICAL CYCLES, AND REGENERATION POTENTIAL OF ENDANGERED DESERT FLORA IN THE ARAL SEA BASIN},
  author = {Orazbaev, Timur Joldasbaevich and Ajiev, Alisher Baxtıbaevich},
  journal = {Қўқон ДПИ. Илмий хабарлар},
  year = {2026},
  volume = {8},
  number = {9},
  pages = {1179-1186},
  doi = {10.70728/a.series.tab.v08.i09.155},
  url = {https://doi.org/10.70728/a.series.tab.v08.i09.155}
}

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