The potential of dynamic physiological traits in young tomato plants to predict field-yield performance
The potential of dynamic physiological traits in young tomato plants to predict field-yield performance
Abstract To address the challenge of predicting tomato yields in the field, we used whole-plant functional phenotyping to evaluate water relations under well-irrigated and drought conditions. The genotypes tested are known to exhibit variability in their yields in wet and dry fields. The examined lines included two lines with recessive mutations that affect carotenoid biosynthesis, zeta z2083 and tangerine t3406, both isogenic to the processing tomato variety M82. The two mutant lines were reciprocally grafted onto M82, and multiple physiological characteristics were measured continuously, before, during and after drought treatment in the greenhouse. A comparative analysis of greenhouse and field yields showed that the whole-canopy stomatal conductance (gsc) in the morning and cumulative transpiration (CT) were strongly correlated with field measurements of total yield (TY: r2 = 0.9 and 0.77, respectively) and plant vegetative weight (PW: r2 = 0.6 and 0.94, respectively). Furthermore, the minimum CT during drought and the rate of recovery when irrigation was resumed were both found to predict resilience.
Zamir Dani、Gosa Sanbon Chaka、Hirschberg Joseph、Moshelion Menachem、Koch Amit、Shenhar Itamar
The R.H. Smith Institute of Plant Sciences and Genetics in Agriculture, The R.H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of JerusalemThe R.H. Smith Institute of Plant Sciences and Genetics in Agriculture, The R.H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of JerusalemDepartment of Genetics, Alexander Silberman Institute of Life Sciences, The Hebrew University of JerusalemThe R.H. Smith Institute of Plant Sciences and Genetics in Agriculture, The R.H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of JerusalemThe R.H. Smith Institute of Plant Sciences and Genetics in Agriculture, The R.H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of JerusalemThe R.H. Smith Institute of Plant Sciences and Genetics in Agriculture, The R.H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem
农业科学技术发展生理学植物学
drought tolerancefunctional phenotypingphysiological traittime-series measurementstomatoyield prediction
Zamir Dani,Gosa Sanbon Chaka,Hirschberg Joseph,Moshelion Menachem,Koch Amit,Shenhar Itamar.The potential of dynamic physiological traits in young tomato plants to predict field-yield performance[EB/OL].(2025-03-28)[2025-06-01].https://www.biorxiv.org/content/10.1101/2021.03.18.435447.点此复制
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