2021
DOI: 10.1590/s1678-3921.pab2021.v56.01937
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Repeatability and divergence among genotypes of Desmanthus sp. in a semiarid region

Abstract: The objective of this work was to evaluate the divergence among genotypes of Desmanthus sp. regarding morphological, productive, and qualitative characteristics, as well as to estimate the number of observations necessary to predict the real value of these characteristics. The experiment was conducted in the semiarid of the state of Pernambuco, Brazil, using 26 genotypes of Desmanthus sp. from different locations in the region. Seven evaluations were carried out from July 2013 to July 2014. Tocher’s grouping m… Show more

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Cited by 2 publications
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“…The increase in SD observed from July/2018 to February/2020 (Table 4) can be associated with the age of the plants and the performance of subsequent harvests that naturally promote the thickening of the stem. Stem diameter becomes important because it affects the transport of water and nutrients in the plant (Cunha et al, 2021), which can influence the regrowth capacity and adaptation to conditions of low water availability, due to the possibility of greater allocation of water and organic reserves in the stem (Diniz et al, 2021).…”
Section: Discussionmentioning
confidence: 99%
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“…The increase in SD observed from July/2018 to February/2020 (Table 4) can be associated with the age of the plants and the performance of subsequent harvests that naturally promote the thickening of the stem. Stem diameter becomes important because it affects the transport of water and nutrients in the plant (Cunha et al, 2021), which can influence the regrowth capacity and adaptation to conditions of low water availability, due to the possibility of greater allocation of water and organic reserves in the stem (Diniz et al, 2021).…”
Section: Discussionmentioning
confidence: 99%
“…Plant height, LI, LL, LW, NLL, BD, SD and LBR showed high magnitude of r and R 2 (Table 5), indicating reliability in estimating the number of evaluations necessary for predict its real value (Rodrigues et al, 2020). Cunha et al (2021) evaluated genotypes of Desmanthus sp . in semiarid region and also observed high magnitude of r and R 2 for the variables plant height (0.85% and 97.62%), SD (0.91% and 98.73%), LL (0.97% and 99.59%) and LW (0.99% and 99.94%).…”
Section: Discussionmentioning
confidence: 99%
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