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80 results for “Pests”

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Research ArticleOpen accessIn the abstractEvaluation of the Effect of Various Biopesticides on the useful Arachno Entomofauna of the Apple Orchard in the Southeast of KazakhstanI. I. Temreshev, B. K. Kopzhasarov, Z. B. Beknazarova et al.Currently, Kazakhstan is actively researching the greening of the protection of apple orchards from lepidopteran pests. In this regard, biological preparations of various origins were tested. The aim was to study their impact on useful non-target arachno entomofauna (entomophagous insects and pollinators). During the research, both classical methods used in entomology and plant protection, and original modifications were used. In … …OnLine Journal of Biological Sciences, Vol. 23, Issue 1 · 27 Dec 2022 · 5,841 accessesView PDFCite
Research ArticleOpen accessIn the abstractIntegrated Protection of Tomato Crops against Tuta absoluta in Open Ground Conditions in the South-East Part of KazakhstanA. Adilkhankyzy, K. A. Alpysbayeva, B. Nurmanov et al.There is a need to develop strategies for the protection of tomato crops that would provide high-quality produce safe for the consumer without environmental pollution. The objective of the study is to deploy an integrated system for the protection of open-field tomato crops from Tuta absoluta using biological agents (Bracon hebetor Say., Trichogramma, biopreparations, pheromone traps) and devices in the … …OnLine Journal of Biological Sciences, Vol. 22, Issue 4 · 16 Dec 2022 · 5,375 accessesView PDFCite
Research ArticleOpen accessIn the abstractAutomatic Diagnosis of Soybean Leaf Disease by Transfer LearningXiao Yu, Qi Gong, Cong Chen, Lina LuSoybean diseases and insect pests are important factors that affect the output and quality of soybeans, thus it is necessary to do correct inspection and diagnosis of them. For this reason, based on improved transfer learning, this study proposed a classification method for soybean leaf diseases. Firstly, leaves were segmented from the whole image after removing the complicated background images. … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 2 · 29 Jun 2022 · 5,807 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of a Model, Selection and Evaluation of the Source Material for the Plant Breeding of Alfalfa Varieties with Increased Seed ProductivityGulmira Toktarovna Ualiyeva, Ualikhan Malgazhdarovich Sagalbekov, Marden Ersainovich Baidalin, Hristina YanchevaThe article presents the results of laboratory and field experiments on the source material of alfalfa in the conditions of Northern Kazakhstan. The purpose of the present research was to study and evaluate the selective value of alfalfa variety populations, as well as to isolate a new source material for creating alfalfa varieties with high seed yields. The experiments were … …OnLine Journal of Biological Sciences, Vol. 22, Issue 1 · 1 Apr 2022 · 5,701 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetection of Rust Emergence in Coffee Plantations using Data Mining: A Systematic ReviewLenin Quiñones Huatangari, Candy Lisbeth Ocaña Zúñiga, Annick Estefany Huaccha Castillo et al.Hemileia vastatrix is a fungus that causes coffee rust disease and, depending on the level of severity, reduces the photosynthetic capacity of the plant and of new shoots, leading to low coffee yields and even death; its symptoms are visible on the leaf. Systems based on computer algorithms have been developed to predict diseases and pests in coffee. The objective … …OnLine Journal of Biological Sciences, Vol. 22, Issue 2 · 31 Mar 2022 · 8,022 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Pachyrrizus erosus Extract on the Thrips Attack Phenomenon (Thripidae) in Capsicum annuum L. LeaveTasmin Tangngareng, Asni Johari, Ratna Sari Dewi et al.Thrips are one of the main pests of chili plants. Until now, the method of controlling pests and diseases that are considered highly effective is the chemical method. Chemical controls have a major impact on environmental damage. One alternative that can be done is to control biologically using yam seed extract (Pachyrrizus erosus Urban). This study aims to analyze the … …OnLine Journal of Biological Sciences, Vol. 19, Issue 1 · 24 Jan 2019 · 7,426 accessesView PDFCite