Seed germination, seedling growth performance, genetic stability and biochemical responses of papaya (Carica papaya L.) upon pre-sowing seed treatments
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27 mar 2025
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Categoría del artículo: ORIGINAL ARTICLE
Publicado en línea: 27 mar 2025
Páginas: 533 - 558
Recibido: 21 nov 2024
Aceptado: 21 ene 2025
DOI: https://doi.org/10.2478/fhort-2024-0036
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© 2024 M. S. Aboryia et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
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Formula used to calculate papaya seed germination parameters, according to Taghizadeh and Solgi (2017)_
GP | Ng = germinated seeds |
|
GRI | ||
CV | ||
SVI | SVI = (PL + RL) × GP | PL = shoot length |
SDS-PAGE analysis of protein-banding patterns of untreated and submerged papaya seeds in tap water; T_W, magnetic water (2000 Gauss); M_W, chitosan (1_5%); CH, gibberellic acid (1000 ppm); GA3 solutions separately or in combination; %P, % polymorphism_
No. | Molecular weight (kDa) | Control | Treatments | Band type | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
T.W | M.W | CH | GA3 | MW + ga3 | GA3 + CH | MW + CH | MW + GA3 + CH | ||||
1 | 200.20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | P |
2 | 178.12 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | P[NUM-2] |
3 | 171.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | P[PUM-9] |
4 | 151.72 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | M80 |
5 | 102.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | P[PUM-9] |
6 | 65.42 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | P |
7 | 56.02 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | P |
8 | 50.85 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | P[PUM-5] |
9 | 46.92 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | P[PUM-5] |
10 | 43.73 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | P |
11 | 38.87 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | P |
12 | 36.64 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | P |
13 | 35.60 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | P |
14 | 33.42 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | P[PUM-3] |
15 | 27.73 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | P |
16 | 26.87 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | P[PUM-C] |
17 | 25.20 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | P[PUM-C] |
18 | 24.13 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | P[NUM-6] |
19 | 23.22 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | P |
20 | 19.46 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | P[PUM-5] |
21 | 18.82 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | P |
22 | 18.19 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | P |
23 | 15.23 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | P |
24 | 14.57 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | P[NUM-8] |
25 | 14.16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | P[PUM-8] |
26 | 13.65 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | P |
27 | 11.54 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | P[NUM-6] |
28 | 10.93 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | P[PUM-4] |
29 | 10.58 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | P[PUM-4] |
30 | 10.46 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | M |
31 | 10.35 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | P[PUM-C] |
32 | 10.24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | P[PUM-9] |
Total bands of each sample | 14 | 11 | 9 | 12 | 11 | 12 | 9 | 10 | 13 | Gel polymorphism % = 93.75% | |
77.78 |
Number of DS and S bands recorded by separate evaluation of protein profiles of treated and untreated papaya seeds and their genetic similarity indices as computed according to Dice coefficient_
Treatments | Control | T.W | M.W | CH | GA3 | M.W + GA3 | GA3 + CH | M.W + CH | M.W + GA3 + CH |
---|---|---|---|---|---|---|---|---|---|
Control | 100%0DS,32S | 80%11DS,21S | 80%11DS,21S | 77%12DS,20S | 75%13DS,19S | 72%14DS,18S | 84%9DS,23S | 77%12DS,20S | 849DS,23S |
T.W | 100%0DS,32S | 868DS,24S | 79%11DS,21S | 81%10DS,22S | 75%13DS,19S | 90%26DS,6S | 84%9DS,23S | 75%13DS,19S | |
M.W | 1000DS,32S | 92%5DS,27S | 93%4DS,22S | 80%11DS,21S | 93%4DS,28S | 84%9DS,23S | 82%10DS,22S | ||
CH | 100%0DS,32S | 88%7DS,25S | 77%12DS,20S | 88%7DS,25S | 77%12DS,20S | 79%11DS,21S | |||
GA3 | 100%0DS,32S | 75%13DS,19S | 90%6DS,26S | 79%11DS,21S | 77%12DS,20S | ||||
M.W + GA3 | 100%0DS,32S | 84%9DS,23S | 86%8DS,24S | 79%11DS,21S | |||||
GA3 + CH | 100%0DS,32S | 92%5DS,27S | 86%8DS,24S | ||||||
M.W + CH | 100%0DS,32S | 80%11DS,21S | |||||||
M.W + GA3 + CH | 100%0DS,32S |
GTS% based on changes in SDS-PAGE protein electrophoretic banding pattern of untreated and submerged papaya seeds in magnetic water (2000 Gauss), M_W; chitosan (1_5%), CH; gibberellic acid (1000 ppm), GA3; separately or in combination_ a, number of newly developed bands; b, number of diminished bands; a + b, polymorphic bands
Control total bands | Treatments | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
T.W | M.W | CH | GA3 | M.W + GA3 | M.W + CH | GA3 + CH | M.W + GA3 + CH | ||||||||||
a | b | a | b | a | b | a | b | a | b | a | b | a | b | a | b | ||
14 | 4 | 7 | 3 | 8 | 5 | 7 | 5 | 8 | 6 | 8 | 2 | 7 | 4 | 8 | 4 | 5 | |
a + b | 11 | 11 | 12 | 13 | 14 | 9 | 12 | 9 | |||||||||
GTS% | 100 | 21.43 | 21.43 | 14.29 | 7.14 | 0.00 | 35.71 | 14.29 | 35.71 |
Genomic-DNA template stability (GTS) and correlated % growth parameters and phytochemical changes among untreated and submerged papaya seeds_
GTS-Growth parameters | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
GTS% | Seedling height | SVI | Stem diameter | Number of leaves | Root length | Leaf area | Root number | % Germination | CV | |
GTS% | 1.00 | –0.17 | –0.09 | –0.16 | –0.13 | –0.10 | –0.09 | 0.22 | 0.10 | –0.05 |
GTS-Phytochemicals | ||||||||||
GTS | DPPH | α-Amylase | Proline | RSs | Total phenolics | Flavonoids | Phosphorous | |||
GTS% | 1.00 | 0.29 | –0.15 | 0.29 | –0.11 | 0.22 | 0.10 | 0.38* |