Abstract
Thirteen different genotypes of rabi sorghum (Sorghum bicolor var. Moench) were evaluated for moisture stress tolerance at seedling stage using -0 (control), -0.066, -0.10, -0.13 and -0.16 MPa non-ionic water soluble polymer polyethylene glycol of molecular weight 6000 and the data was recorded on various seedling parameters like germination percent, root length, RLSTI, shoot length, SLSTI, seedling dry weight, SDWSTI and seed vigour. The experiment was carried out in two replicates under Complete Randomized Design. Different levels of moisture stress induced by PEG-6000 had significantly affected seed germination. Data indicated that increase in osmotic stress caused a significant decrease in germination percentage in all genotypes under study. Maximum germination was (55%), root length (5.32 cm), shoot length stress tolerant index (41.89 %) and seed vigour (521.4) was observed in genotype CSV-29R and shoot length (4.46 cm), shoot length stress tolerant index (21.55 %) and seedling dry weight (0.033 mg) was highest recorded in Elongvan-19 genotype at highest PEG concentration -0.16 MPa. From the overall results it was concluded that the promising genotypes CSV-29R, Elongvan-19, M 35-1 and Phule Maulee showed comparatively better performance than other genotypes under higher concentration of PEG induced water stress. The Parbhani Moti and CSV-22R genotypes were highly affected in comparison to other genotypes at higher PEG concentration. Hence these better genotypes may categorized as stress tolerant during seedling stage.
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Claims 14
Claim · model-written summary
Increasing osmotic stress significantly decreased germination percentage in all sorghum genotypes.
Not reportedComparator
Verbatim
e0“increase in osmotic stress caused a significant decrease in germination percentage in all genotypes under study”
t0“rabi sorghum”
Claim · model-written summary
CSV-29R had maximum germination of 55% at the highest PEG concentration.
Verbatim
e0“Maximum germination was (55%), root length (5.32 cm), shoot length stress tolerant index (41.89 %) and seed vigour (521.4) was observed in genotype CSV-29R”
t0“rabi sorghum”
Claim · model-written summary
CSV-29R had maximum root length of 5.32 cm.
Verbatim
e0“Maximum germination was (55%), root length (5.32 cm), shoot length stress tolerant index (41.89 %) and seed vigour (521.4) was observed in genotype CSV-29R”
t0“rabi sorghum”
Claim · model-written summary
CSV-29R had maximum shoot length stress tolerant index of 41.89%.
Verbatim
e0“Maximum germination was (55%), root length (5.32 cm), shoot length stress tolerant index (41.89 %) and seed vigour (521.4) was observed in genotype CSV-29R”
t0“rabi sorghum”
Claim · model-written summary
CSV-29R had maximum seed vigour of 521.4.
Verbatim
e0“Maximum germination was (55%), root length (5.32 cm), shoot length stress tolerant index (41.89 %) and seed vigour (521.4) was observed in genotype CSV-29R”
t0“rabi sorghum”
Claim · model-written summary
Elongvan-19 had the highest shoot length, 4.46 cm, at -0.16 MPa PEG.
Verbatim
e0“shoot length (4.46 cm), shoot length stress tolerant index (21.55 %) and seedling dry weight (0.033 mg) was highest recorded in Elongvan-19 genotype at highest PEG concentration -0.16 MPa”
t0“rabi sorghum”
Claim · model-written summary
Elongvan-19 had the highest shoot length stress tolerant index, 21.55%, at -0.16 MPa PEG.
Verbatim
e0“shoot length (4.46 cm), shoot length stress tolerant index (21.55 %) and seedling dry weight (0.033 mg) was highest recorded in Elongvan-19 genotype at highest PEG concentration -0.16 MPa”
t0“rabi sorghum”
Claim · model-written summary
Elongvan-19 had the highest seedling dry weight, 0.033 mg, at -0.16 MPa PEG.
Verbatim
e0“shoot length (4.46 cm), shoot length stress tolerant index (21.55 %) and seedling dry weight (0.033 mg) was highest recorded in Elongvan-19 genotype at highest PEG concentration -0.16 MPa”
t0“rabi sorghum”
Claim · model-written summary
CSV-29R performed comparatively better under higher PEG stress.
Verbatim
e0“promising genotypes CSV-29R, Elongvan-19, M 35-1 and Phule Maulee showed comparatively better performance than other genotypes under higher concentration of PEG induced water stress”
t0“rabi sorghum”
Claim · model-written summary
Elongvan-19 performed comparatively better under higher PEG stress.
Verbatim
e0“promising genotypes CSV-29R, Elongvan-19, M 35-1 and Phule Maulee showed comparatively better performance than other genotypes under higher concentration of PEG induced water stress”
t0“rabi sorghum”
Claim · model-written summary
M 35-1 performed comparatively better under higher PEG stress.
Verbatim
e0“promising genotypes CSV-29R, Elongvan-19, M 35-1 and Phule Maulee showed comparatively better performance than other genotypes under higher concentration of PEG induced water stress”
t0“rabi sorghum”
Claim · model-written summary
Phule Maulee performed comparatively better under higher PEG stress.
Verbatim
e0“promising genotypes CSV-29R, Elongvan-19, M 35-1 and Phule Maulee showed comparatively better performance than other genotypes under higher concentration of PEG induced water stress”
t0“rabi sorghum”
Claim · model-written summary
Parbhani Moti was highly affected by higher PEG stress compared with other genotypes.
Verbatim
e0“The Parbhani Moti and CSV-22R genotypes were highly affected in comparison to other genotypes at higher PEG concentration”
t0“rabi sorghum”
Claim · model-written summary
CSV-22R was highly affected by higher PEG stress compared with other genotypes.
Verbatim
e0“The Parbhani Moti and CSV-22R genotypes were highly affected in comparison to other genotypes at higher PEG concentration”
t0“rabi sorghum”
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