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Table 1. Effects of HMs-toxicity on plant traits.

Plant species

HMs-treatment with duration

HMs effects on plant traits

Ref.

Sassafras tzumu Hemsl.

5 mg/kg-100 mg/kg Cd; 5 times in a year; 15d interval

Inhibited sassafras growth, declined biomass yield, SOD activity, increase POD

[39]

Capsicum annuum L.

5 mg Cd/kg; 7d

Decreased growth characteristics, soluble sugars, proteins, and amino acids; increased POD, SOD, and CAT activity

[16]

Beta vulgaris

subsp. vulgaris

10 μM CdSO4; 14 d

Impaired morphological traits; Occurred cellular damages

[9]

Oryza sativa cv.

Meixiangzhan-2; Xiangyaxiangzhan

400, 800, and 1,200 ppm Pb(NO3)2 ; growth period (145-150 d)

Reduced chlorophyll, carotenoid; reduced yield and yield component

[21]

Triticum aestivum L. cv. Punjab-81, AARI-11; Kohistan-97, As-2002, Barani-70, and Pari-73

Plant sample collected: 5-45 μg/kg As present in grains

Influenced chlorophyll, grain yield, biological yield, and straw yield differentially in sensitive and tolerant cultivars

[40]

Medicago sativa L.

40 μM Hg; 14 d

Declined morphological and photosynthetic, and yield traits

[10]

Brassica napus L.

5-20 mg/L Hg; 10d

Inhibited the growth, biomass yield, and nutrient accumulation

[41]

Triticum aestivum L.

2.5-25 μM Hg;

Inhibited root and shoot growth, content of chlorophyll and total soluble protein

[42]

Oryza sativa L.

cv. normal and hybrid 

100 µM K2Cr2O7; 14 d

Influence germination energy (%),percentage (%),index (%), time (%), and vigor index

[35]

Miscanthus sinensis Andersson.  cv. Kosung

50-1000 μM K2Cr2O7; 3d

Inhibited root growth and plant biomass yield, altered oxidative stress indicator and protein content

[43]

Abbreviation; SOD, superoxide dismutase; CAT, catalase; POD, peroxidase