Physiological characters and tomato yield under drought stress

International Conference on Climate Change 2018

Sakya, A.T.^1 ; Sulistyaningsih, E.^2 ; Indradewa, D.^2 ; Purwanto, B.H.^2

Department of Agrotechnology, Sebelas Maret University, Jl. Ir. Sutami 36 A, Kentingan, Surakarta

57126, Indonesia^1

Department of Agronomy, Gadjah Mada University, Jl. Flora Bulaksumur, Yogyakarta

55281, Indonesia^2

关键词: Drought stress;    Drought tolerances;    Low correlation;    Membrane stability;    Plant tolerance;    Rainfall patterns;    Relative water content;    Tomato plants;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/200/1/012043/pdf
DOI  :  10.1088/1755-1315/200/1/012043

来源: IOP

【 摘 要 】

Climate change had changed the rainfall patterns and causing tomato plants to suffer from drought in a certain period. It affects the morphology and physiology characters of the plant, and thus these characters can be used as indicators to predict plant tolerance to drought. The study aimed to determine the relationship between several physiological characters with tomato yield under drought stress. The study was conducted using 7 lowland tomato cultivars, namely 'Zamrud', 'Permata F1', 'Mirah', 'Tombatu F1', 'Tyrana F1', 'Ratna' and 'Tymoti F1'. Drought was appliedby 8 days interval of watering. Relative water content, membrane stability index, chlorophyll, and proline content were measured when the plant entered the maximum vegetative of growth stage. The results showed a high correlation (r > 0.6) between membrane stability index with fruit weight per plant; while the proline, chlorophyll and relative water contents resulted in low correlation (r