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Effect of agrotechnical and chemical practices on Fusarium rot root in sugar beet production
(Alex Matsyura Publishing, 2020-10-20)
А. А. Мауи
;
С. А. Айпеисова
;
Nurlygul Utarbayeva
;
Alex V. Matsyura
Sugar beet is one of the economically significant industrial crops for the south and southeast of Kazakhstan. In the conditions of Kazakhstan, the best predecessors of sugar beet are winter wheat and alfalfa, which contribute to the improvement of the susceptibility of beet rot. Early plowing by the semi-pair type in the second decade of August allows reducing the susceptibility of root crops to Fusarium rot by 18%. It is shown that 6 centner/ha of wheat straw on the artificial background contributed to decrease in the prevalence of Fusarium rot, on average 1.4 times, Rhizoctoniosis rot – 1.2 times compared with the control. Increasing the rate of nitrogen and phosphate fertilizers contribute to the development of root rot (2-3 times) of sugar beet. To reduce the severity of rotten root crops (from 1.3 to 2.5 times), 6 t/ha of wheat straw are proposed to be applied to the soil together with N90P75K70. Seed treatment with tachigaren seed, rovral and fundazol reduces the development of rot by 8.1-16.6% and leads to an increase in yield of root crops by 31.5-50.2 c/ha.
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Pollen Morphology of Broadleaf Trees Growing in Different Health Conditions in the City of Aktobe
(2021-07-01)
Nurlygul Utarbayeva
;
С. А. Айпеисова
;
А. А. Мауи
;
Erzhan T. Kazkeev
;
Gulnara BIMAGAMBETOVA
The purpose of this work is to comparatively assess pollen viability of five plant species growing in different areas of the city of Aktobe, Kazakhstan (N 50Њ18¢, W 57Њ10¢). Pollen viability was assessed through iodine staining on the samples of pollen grains harvested between April and June 2017 from 100 plants of 5 species growing in the industrial zones, parks, and along highways: Ulmus laevis Pall., Ulmus pinnato-ramosa Dieck., Acer negundo L., Syringa vulgaris L., Populus tremula L. The minimum percentage of fertile pollen grains that was found in Ulmus laevis species has been detected in samples from the industrial zones, up to 68%.For Ulmus pinnato-ramosa, the minimum proportion of fertile pollen grains was 30%.For Acer negundo and Syringa vulgaris, similar trends were obtained.All plant species except Ulmus laevis (0.42) and Populus tremula (0.37) showed no relationship between the size of pollen grains and the intensity of their color change.Among all plant species under study, two (Ulmus laevis and Populus tremula) had the potential to act as model plant species and bioindicators of urban pollution.All five plant species demonstrated the highest proportion of defective pollen grains in the industrial zones, up 98%.
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Fabaceae Lindl. Species in the Floristic composition of the Aktobe Floristic District
(Taylor & Francis, 2022-12-08)
С. А. Айпеисова
;
Nurlygul Utarbayeva
;
А. А. Мауи
;
Erzhan T. Kazkeev
;
Aizhan Baubekova
This paper aims to provide a fundamental analysis of the Fabaceae Lindl. family in the context of the Aktobe Floristic District (AFD) legume family presented in this region. According to the present findings, the most commonly seen genus of the family Fabaceae in the region is Astragalus, which includes three subgenera with a certain number of sections. Based on the species distribution model, the dominant group is macro-disjunctive species, with plants migrated at a distance of 500–1,000 km. The usability analysis showed that the majority of plants are used as fodder (60.5%), and medicinal plants account for 26.3%.
Цитирования (OpenCitations) 3

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