MODELS OF GRAIN PRODUCTION VARIATION IN THE WHEAT EAR

Cristian Andrei Iuhasz, Andreea Lidia Jurjescu, Rebeca-Ioana Tomuța, Ciprian Buzna, Florin Sala

Abstract


The weight of grains in the wheat ear (GWE), Alex variety, was analyzed in relation to morphological parameters of the plants. The regression analysis facilitated obtaining four models in the form of equations. The variation of GWE in relation to plant height (PH), spike length (EL), spike weight (EW), number of spikelets (SpkNo), and number of grains in spike (GNE) was described by models in the form of equations and graphs models (3D, and isoquants). The variation of GWE in relation to PH and EW was described with higher precision compared to the other morphological parameters, under conditions of R2 = 0.982, p<0.001, F = 151.9273. The RMSEP parameter was calculated for each model, and confirmed the level of accuracy in the case of the model based on PH and EW. Divergent action was recorded in the case of models based on PH and EL parameters, respectively in PH and SpkNo parameters. The results showed characters that can be optimized together (convergent), and morphological characters that require a differentiated approach through breeding programs and crop technology.

Keywords


grain production; models; morphological characters; wheat.

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Copyright (c) 2025 Cristian Andrei Iuhasz, Andreea Lidia Jurjescu, Rebeca-Ioana Tomuta, Ciprian Buzna, Florin Sala

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LUCRĂRI ȘTIINȚIFICE MANAGEMENT AGRICOL

ISSN print 1453-1410
ISSN online 2069-2307
(former ISSN 1453-1410, E-ISSN 2069-2307)

PUBLISHER: AGROPRINT Timisoara, Romania
PAPER ACCESS: Full text articles available for free
FREQUENCY: Annual
PUBLICATION LANGUAGE: English

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Banat`s University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania” from Timisoara
Faculty of Management and Rural Tourism
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