Abstract
Seeds germination and seedling stages were studied on the legume seeds of Vicia angustifolia L.to reveal the effects of drought stress on germination characteristics and water absorption characteristics.The results showed that the rate of seed water uptake,germination percentage,germination index,vigor index,seedling height,root length and plant water content decreased with the increase of concentration of PEG stress.However,seedling and root dry weight and root/shoot ratio initially increased followed by a decrease.The lowest osmotic potential threshold was-0.42 MPa.
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Claims 5
Claim · model-written summary
Seed water uptake rate, germination percentage and germination index decreased with increasing PEG drought stress.
Verbatim
t0“Response of Vicia angustifolia L.”
e1“the rate of seed water uptake,germination percentage,germination index,vigor index,seedling height,root length and plant water content decreased with the increase of concentration of PEG stress”
Claim · model-written summary
Vigor index, seedling height and root length decreased with increasing PEG drought stress.
Verbatim
t0“Response of Vicia angustifolia L.”
e1“the rate of seed water uptake,germination percentage,germination index,vigor index,seedling height,root length and plant water content decreased with the increase of concentration of PEG stress”
Claim · model-written summary
Plant water content decreased with increasing PEG drought stress.
Verbatim
t0“Response of Vicia angustifolia L.”
e1“the rate of seed water uptake,germination percentage,germination index,vigor index,seedling height,root length and plant water content decreased with the increase of concentration of PEG stress”
Claim · model-written summary
Seedling and root dry weight and root/shoot ratio first increased and then decreased with increasing PEG drought stress.
Verbatim
t0“Response of Vicia angustifolia L.”
e1“the rate of seed water uptake,germination percentage,germination index,vigor index,seedling height,root length and plant water content decreased with the increase of concentration of PEG stress”
e2“seedling and root dry weight and root/shoot ratio initially increased followed by a decrease”
Claim · model-written summary
The lowest osmotic potential threshold for Vicia angustifolia was -0.42 MPa.
Verbatim
t0“Response of Vicia angustifolia L.”
e3“The lowest osmotic potential threshold was-0.42 MPa”