{"id":6071,"date":"2026-01-21T12:16:50","date_gmt":"2026-01-21T12:16:50","guid":{"rendered":"https:\/\/izvestiyakbncran.ru\/?page_id=6071"},"modified":"2026-06-02T10:36:47","modified_gmt":"2026-06-02T09:36:47","slug":"27-6-18-en","status":"publish","type":"page","link":"https:\/\/izvestiyakbncran.ru\/index.php\/en\/27-6-18-en\/","title":{"rendered":"27.6.18 En"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-lora-font-family\" style=\"font-size:22px\"><strong>Evaluation of ecological plasticity and stability of mid-season corn hybrids<\/strong><\/h1>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-lora-font-family has-extra-small-font-size wp-elements-3ea9e8c7f5f824609a67a36b89396f77 wp-block-paragraph\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0\"><strong>S.P. Appaev, L.Kh. Azubekov, V.Yu. Karaev, B.R. Shomakhov<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-content-justification-left is-nowrap is-layout-flex wp-container-core-group-is-layout-20193d73 wp-block-group-is-layout-flex\" style=\"border-style:none;border-width:0px;margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0\">\n<p class=\"has-text-color has-link-color has-lora-font-family wp-elements-1934a6274ad67c2dd8d97ce7471e2bbb wp-block-paragraph\" style=\"color:#5b1919;font-size:12px;text-decoration:underline\"><\/p>\n\n\n\n<div class=\"wp-block-group is-horizontal is-layout-flex wp-container-core-group-is-layout-9076828a wp-block-group-is-layout-flex\" style=\"min-height:0px;margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0\">\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-856cf56e wp-block-buttons-is-layout-flex\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-background-background-color has-text-color has-background has-link-color has-border-color has-custom-font-size wp-element-button\" href=\"http:\/\/izvestiyakbncran.ru\/wp-content\/uploads\/2026\/06\/18-appaev-azubekov.pdf\" style=\"border-color:#5b1919;border-style:solid;border-width:2px;border-radius:8px;color:#5b1919;padding-top:0.4rem;padding-right:var(--wp--preset--spacing--40);padding-bottom:0.4rem;padding-left:var(--wp--preset--spacing--40);font-size:12px\">PDF<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:0px;width:0px\" aria-hidden=\"true\" class=\"wp-block-spacer wp-container-content-273e683f\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link has-background-background-color has-text-color has-background has-link-color has-border-color has-text-align-center has-custom-font-size wp-element-button\" href=\"https:\/\/journals.rcsi.science\/1991-6639\/article\/xml\/378588\" style=\"border-color:#5b1919;border-width:2px;border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-left-radius:8px;border-bottom-right-radius:8px;color:#5b1919;padding-top:0.4rem;padding-right:var(--wp--preset--spacing--40);padding-bottom:0.4rem;padding-left:var(--wp--preset--spacing--40);font-size:12px\">JATS XML<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-lora-font-family has-extra-small-font-size wp-elements-41ee428b6a5740c7f514a7432ff786a3 wp-block-paragraph\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;color:#5b1919;margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\"><\/p>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\"\/>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-lora-font-family has-extra-small-font-size wp-elements-cd016042557bf59e6fc07d56955c5067 wp-block-paragraph\" style=\"line-height:1.4\"><em><strong><strong>Abstract<\/strong><\/strong>. <\/em>One of the most important stages in the study of new hybrids is their comprehensive comparative testing under various environmental conditions and an assessment of their ecological plasticity and stability, which allows for the specification of regions for their use.<br><strong>Aim<\/strong>. The research is to conduct an analysis of the environmental stability and yield stability of 20 new promising corn hybrids.<br><strong>Research materials and methods<\/strong>. The study was conducted using regression analysis according to the Eberhart and Russell method in two different ecological locations: the Institute of Agriculture of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences (Kabardino-Balkarian Republic, Tersky District, Opytnoye village) and the VSC RAS (Republic of North Ossetia-Alania, Prigorodny District) in 2023\u20132024.<br><strong>Results<\/strong>. Promising high-yielding hybrids were identified: RSO-9, RSO-27, and RSO-43, demonstrating stable yields regardless of cultivation conditions. Hybrids RSO-1, RSO-15, RSO-39, and RSO-40 are characterized by increased adaptability and stability, effectively responding to changes in growing conditions. Hybrid combinations RSO-4, RSO-6, RSO-22, RSO-23, RSO-29, RSO-33, RSO-38, RSO-45, and RSO-42 demonstrated high ecological flexibility with moderate stability, indicating their responsiveness to improved agricultural practices while maintaining the ability to produce high yields in less favorable conditions. In addition, a comparative analysis of two approaches to assessing ecological plasticity \u2013 by the regression coefficient and the standard deviation and the parameters \u03b1j and \u03bbj \u2013 showed that although the first method is more informative, the second method can be successfully applied when working with large arrays of hybrid material.<br><strong>Conclusions<\/strong>. A comprehensive assessment of the ecological flexibility and stability of new promising hybrid combinations under various agroclimatic conditions identified hybrids with both high stability and pronounced responsiveness to growing conditions. These hybrids respond effectively to changing growing conditions and ensure stable yields across a variety of ecological zones.<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-lora-font-family has-extra-small-font-size wp-elements-df03325adc83c022634de6b79d43432f wp-block-paragraph\" style=\"line-height:1.4\"><\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-lora-font-family has-extra-small-font-size wp-elements-23a7f2d5dbaf000a8168506ab8f20c52 wp-block-paragraph\" style=\"line-height:1.4\"><strong><em><strong>Keywords<\/strong><\/em><\/strong><em>:<\/em> corn, hybrid, hybrid combination, yield, ecological plasticity, stability<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-lora-font-family wp-elements-90a3ca27b4edd87f1dda43a407e16f45 wp-block-paragraph\" style=\"font-size:12px;line-height:1.4\"><strong><strong>For citation<\/strong>.<\/strong> Appaev S.P., Azubekov L.Kh., Karaev V.Yu., Shomakhov B.R. Evaluation of ecological plasticity and stability of mid-season corn hybrids. <em>News of the Kabardino-Balkarian Scientific Center of RAS<\/em>. 2025. Vol. 27. No. 6. Pp. 225\u2013232. DOI: 10.35330\/1991-6639-2025-27-6-225-232<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-lora-font-family wp-elements-17c3333a0b1db39b7fa4a3e1a1572bc4 wp-block-paragraph\" style=\"font-size:12px;line-height:1.4\"><\/p>\n\n\n\n<details class=\"wp-block-details has-foreground-color has-text-color has-link-color has-lora-font-family has-extra-small-font-size wp-elements-e1353009924a284b9842c87ba41747de is-layout-flow wp-container-core-details-is-layout-f488f964 wp-block-details-is-layout-flow\" style=\"font-style:normal;font-weight:700;line-height:1.5\"><summary><strong>R<\/strong>eferences<\/summary>\n<ol style=\"margin-top:0;margin-bottom:0\" class=\"wp-block-list\">\n<li style=\"font-style:normal;font-weight:400\">Sotchenko E.F., Orlyanskaya N.A., Sotchenko D.Yu. Comparative evaluation of new early-maturing corn hybrids in terms of yield and adaptability. <em>News of the Kabardino-Balkarian Center of the Russian Academy of Sciences<\/em>. 2021. No. 1(99). Pp. 46\u201354. DOI: 10.35330\/1991-6639-2021-1-99-46-54. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Zaitsev C.A., Volkov D.P., Gudova L.A., Zhuzhukin B.I. Ecological study of corn hybrids in steppe zone of Lower Volga region. <em>Agrarian Scientific Journal. <\/em>2022 No. 4. Pp. 13\u201317. DOI: 10.28983\/asj.y2022i4pp13-17. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Gubin C.B., Loginova A.M., Getz G.B. Ecological adaptivity of new corn hybrids with participation of Omsk breeding lines. <em>Agroindustrial Complex of Russia<\/em>. 2020. Vol. 27. No. 3.<br>Pp. 421\u2013426. EDN: CNIDXK. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Orlyansky N.A., Orlyanskaya N.A., Gorbacheva A.G., Vetoshkina I.A. Study of adaptability of mother forms of corn hybrids. <em>Saharnaya svekla<\/em> [Sugar Beet]. 2021. No. 5. Pp. 35\u201338.<br>DOI: 10.25802\/SB.2021.64.38.006. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Goncharenko A.A. On the adaptability and environmental sustainability of grain crop varieties. <em>Vestnik Rossiyskoy akademii cel&#8217;skohozyaystvennyh nauk<\/em> [Bulletin of the Russian<br>Academy of Agricultural Sciences]. 2005. No. 6. Pp. 49\u201353. EDN: HSFQAX. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Belchenko S.A., Dronov A.V., Lantsev V.V. Adaptive potential of mid-early grain corn hybrids in agro-landscape conditions of Bryansk region. <em>Bulletin of the Ulyanovsk Agricultural<br>Academy.<\/em> 2021. No. 2 (54). Pp. 19\u201327. DOI: 10.18286\/1816-4501-2021-2-19-26. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Orlyansky N.A., Orlyanskaya N.A., Chebotarev D.S. Assessment of the adaptability of early-maturing (FAO 140-170) grain corn hybrids in an environmental test. <em>Bulletin of Agrarian Science<\/em>. 2022. No. 5(98). DOI: 10.17238\/issn2587-666X.2022.5.119. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Pakudin V.Z., Lopatina L.M. Assessment of ecological plasticity and stability of crop varieties. <em>Agricultural Biology. <\/em>1984. Vol. 4. Pp. 109\u2013113. (In Russian)<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Eberchart S.A., Russel W.A. Stability parameters for comparing varieties. <em>Crop Sci<\/em>. 1966. Vol. 6. No. 1. Pp. 36\u201340.<\/li>\n\n\n\n<li style=\"font-style:normal;font-weight:400\">Tai Q.C.C. Genotypic stability analysis and its application to potato regional trials. <em>Crop Sci.<\/em> 1971. Vol. 11. No. 2. Pp. 184\u2013190.<\/li>\n<\/ol>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-foreground-color has-text-color has-link-color has-lora-font-family has-extra-small-font-size wp-elements-a56c02afa1b7b72be66573942de157fc is-layout-flow wp-container-core-details-is-layout-9ff6af70 wp-block-details-is-layout-flow\" style=\"font-style:normal;font-weight:700;line-height:1.5\"><summary><strong>Information about the author<\/strong>s<\/summary>\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-1c18c512 wp-block-group-is-layout-flex\" style=\"min-height:0px;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--40)\">\n<p class=\"wp-block-paragraph\" style=\"font-style:normal;font-weight:400\"><strong>Safar P. Appaev<\/strong>, Candidate of Agricultural Sciences, Senior Researcher, Institute of Agriculture \u2013 branch of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences;<br>224, Kirov street, Nalchik, 360004, Russia;<br>appaev-safar@mail.ru, ORCID: https:\/\/orcid.org\/0000-0001-9741-8646, SPIN-code: 1585-6041<br><strong>Liuan Kh. Azubekov<\/strong>, Candidate of Agricultural Sciences, Senior Researcher, Institute of Agriculture \u2013 branch of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences;<br>224, Kirov street, Nalchik, 360004, Russia;<br>kbniish2007@yandex.ru, ORCID: https:\/\/orcid.org\/0000-0003-0040-880X, SPIN-code: 7561-1262<br><strong>Vadim Yu. Karaev<\/strong>, Researcher, Vladikavkaz Scientific Center of the Russian Academy of Sciences;<br>1, Williams street, Prigorodny district, village Mikhailovskoe, North Ossetia-Alania Republic, 363110, Russia;<br>karaeffvad@yandex.ru, SPIN-code: 6489-2142<br><strong>Beslan R. Shomakhov<\/strong>, Senior Researcher, Institute of Agriculture \u2013 branch of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences;<br>224, Kirov street, Nalchik, 360004, Russia;<br>kbniish2007@yandex.ru, ORCID: https:\/\/orcid.org\/0000-0002-0248-2619, SPIN-code: 8036-5597<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-style:normal;font-weight:400\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-style:normal;font-weight:400\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-style:normal;font-weight:400\"><\/p>\n<\/div>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Evaluation of ecological plasticity and stability of mid-season corn hybrids S.P. Appaev, L.Kh. Azubekov, V.Yu. Karaev, B.R. Shomakhov Abstract. One of the most important stages in the study of new hybrids is their comprehensive comparative testing under various environmental conditions and an assessment of their ecological plasticity and stability, which allows for the specification of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"wp-custom-template-home","meta":{"footnotes":""},"class_list":["post-6071","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>27.6.18 En - \u0418\u0417\u0412\u0415\u0421\u0422\u0418\u042f \u041a\u0410\u0411\u0410\u0420\u0414\u0418\u041d\u041e-\u0411\u0410\u041b\u041a\u0410\u0420\u0421\u041a\u041e\u0413\u041e \u041d\u0410\u0423\u0427\u041d\u041e\u0413\u041e \u0426\u0415\u041d\u0422\u0420\u0410 \u0420\u0410\u041d\u00bb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/izvestiyakbncran.ru\/index.php\/en\/27-6-18-en\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"27.6.18 En - \u0418\u0417\u0412\u0415\u0421\u0422\u0418\u042f \u041a\u0410\u0411\u0410\u0420\u0414\u0418\u041d\u041e-\u0411\u0410\u041b\u041a\u0410\u0420\u0421\u041a\u041e\u0413\u041e \u041d\u0410\u0423\u0427\u041d\u041e\u0413\u041e \u0426\u0415\u041d\u0422\u0420\u0410 \u0420\u0410\u041d\u00bb\" \/>\n<meta property=\"og:description\" content=\"Evaluation of ecological plasticity and stability of mid-season corn hybrids S.P. 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Appaev, L.Kh. Azubekov, V.Yu. Karaev, B.R. Shomakhov Abstract. 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