American Journal of Biodiversity

This work analyzes perennial dicotyledonous weed species found in bean (Phaseolus vulgaris) fields and their negative impact on crop productivity. The study examines the biological characteristics, distribution conditions, and effects on bean growth of major weed species such as field bindweed, c...

Bean (Phaseolus Vulgaris) Perennial Dicotyledonous Weeds Field Bindweed (Convolvulus Arvensis) Creeping Thistle (Cirsium Arvense) Broad-Leaved Dock (Rumex Confertus) Hoary Cress (Cardaria Draba) Spiny Caper (Capparis Spinosa) Common Vetch (Vicia Sativa) Weed Competition Crop Productivity Weed Control Agricultural Fields

This article analyzes the biological and morphological characteristics of annual dicotyledonous weed species occurring in peanut yeryong‘oq (Arachis hypogaea L.) fields. The study reveals that these weeds are characterized by rapid germination, high seed productivity, and strong ecological adapta...

Peanut (Arachis hypogaea L.) annual dicotyledonous weeds agrocenoses phytocenosis weed phytocompetition seed productivity ecological plasticity phenological development agrobioценosis weed control

This article presents a comprehensive literature-based analysis of the influence of bitter wormwood (Artemisia absinthium L.) on the chemical composition of honey. The study emphasizes variations in the primary constituents of honey, including carbohydrates, enzymes, organic acids, mineral elemen...

Honey Bitter Wormwood Artemisia absinthium Chemical Composition Phenolic Compounds Flavonoids Antioxidant Activity

This article investigates the significance of adequate nutrition in maintaining reproductive health and improving fertility in productive cows. Special attention is given to the role of protein, energy balance, vitamins, and macro- and microelements in preventing alimentary infertility. Nutrition...

Nutrition Minerals Vitamin Deficiencies Infertility

This article presents the results of biological and bacteriological investigations of avian pasteurellosis under laboratory conditions, including the inoculation of pathological materials into meat-peptone broth (MPB) culture medium and microscopic examination findings. The scientific research wa...

Poultry pasteurellosis Pasteurella multocida biological examination bacteriological inoculation meat-peptone broth pathological material biosafety

Microclonal propagation of promising grapevine genotypes is considered one of the important directions of modern biotechnology. This method enables the rapid production of genetically stable, disease-free, and high-quality planting materials within a short period of time. During the in vitro prop...

Vitis vinifera L Vitaceae clonal micropropagation totipotency traditional propagation in vitro ex vitro phytohormones rhizogenesis

The article presents the results of a study of the biometric indicators of leek variety samples and their significance for evaluating valuable morphological and economically important traits. The study was conducted during 2022–2024 using established methodological guidelines for ecological and v...

leaf number leaf length leaf width single leaf surface leaf surface on one Bush fertile false stem false stem length false stem diameter false stem crop

The article presents a comparative study on the morphological and biometric parameters of rocket salad (Diplotaxis tenuifolia L.) varieties, including leaf number, leaf length, leaf width, leaf area, leaf area per plant, and leaf area index per hectare. During the study, the growth and developmen...

Diplotaxis tenuifolia L rocket salad variety biometric parameters leaf number leaf length leaf area leaf area per plant

This article presents certain phenological indicators of the cultivation results of Saturn F1 and Zena F1 cucumber hybrids at different planting dates under the soil and climatic conditions of the Republic of Karakalpakstan. The studies evaluated seed germination, 10% and 75% flowering periods, t...

cucumber hybrid planting date phenological indicators seed germination flowering first harvest fruiting period

This study evaluated the effectiveness of different mulching methods in the cultivation of the potato cultivars DT-7, Z and Ganying 9 introduced from China. The research was carried out in 2024–2026 at the Scientific Experimental Station of Tashkent State Agrarian University. The effects of polye...

potato Chinese cultivars DT-7 biometric characteristics