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Title: MULTIVARIATE ANALYSIS OF SPIKE YIELD TRAITS IN PRIMARY SELECTED NOVEL BREEDING HYBRID WINTER WHEAT GENOTYPES // Сборник трудов Всероссийской молодежной научной конференции с международным участием X Вильямсовские чтения к 160-летию Российского государственного аграрного университета – МСХА имени К.А. Тимирязева (27-29 ноября 2025 года). – 2025. – Сборник трудов
Creators: Dekin Ghebriel Okbatinsae; Burlutsky Valery Anatolievich
Imprint: Москва: РГАУ-МСХА им. К. А. Тимирязева, 2025
Collection: Конференции РГАУ - МСХА им. К. А. Тимирязева
Subjects: АГРОТЕХНОЛОГИИ — ПЛОДОРОДИЕ ПОЧВ; Cluster analysis; spike fertility; grain weight; principal component analysis; winter wheat
Document type: Article, report
File type: PDF
Language: Russian
Rights: Свободный доступ из сети Интернет (чтение, печать, копирование)
Additionally: New arrival; All documents
Record key: RU/ЦНБ имени Н.И. Железнова/SITEW-20260909-89193

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This study used cluster and principal component analysis to characterize spike yield traits in soft winter wheat hybrids. PCA identified four components explaining 94.67% of variance, with PC1 reflecting grain productivity and fertility as most dominant. Cluster analysis grouped genotypes into two: cluster one with superior spike productivity and fertility, and cluster two prioritizing spike length but with lower grain weight and fertility, indicating distinct yield strategies.

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