Improving Crop Resistance to Abiotic Stresses Through Seed Invigoration

Farooq, Mohammad Omar; Wahid, A.; Basra, S. M. A.; Rehman, Abdul; Siddique, Kadambot H.M.

doi:10.1201/9781351104609-41

Cited by 9 publications

(14 citation statements)

References 1 publication

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“…Among different priming duration, 12 hours priming took fewer days to the time taken 50% emergence (1 day) while 6 hours priming took more days to the time taken 50% emergence (2 days). A significant reduction in emergence time and enhancement in final germination may be due to fact that seed priming activate biochemical changes such as hydrolysis, activation of enzymes and breaking of dormancy in the seed [16,17] and [15] also indicated that seed priming for 24 hours caused significant reduction in the time 50% emergence which took mean minimum germination time compared to untreated seeds.…”

Section: Time Taken To 50% Emergencementioning

confidence: 99%

“…Among different priming durations, 12 hours priming resulted in more final germination (80.0%) while 6 hours priming resulted in less value to final germination (74.0%). A significant reduction in emergence time and enhancement in final emergence may be due to the fact that seed priming stimulates an array of biochemical changes such as hydrolysis, activation of enzymes and dormancy breaking in the seed [16,17], which are required to initiate the germination process.…”

Section: Germination %mentioning

confidence: 99%

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Germination and Seedling Growth of Wheat as Affected by Seed Priming and its Duration

Abbas

2018

ARTOAJ

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to simulate postponement of sowing, reduced the time saved by priming to 16%. Priming had no effect on the final germination percentage [7]. Moringa leaf extracts improve seedling vigor, growth, and productivity of wheat crop [8]. Polyethylene glycol and KNO 3 solutions increased the fresh and dry weight of roots in maize at 2% and 5% concentration primed for 12h and 18h and it also increased the vigor index [9]. Therefore, the aim of this trial was to find out the effect of seed different priming techniques with 6 and 12hrs priming duration on emergence, vigor, and growth of wheat. It has also been reported that seed priming improves emergence, stand establishment, Germination index, Shoot length, Root length, Shoot fresh and dry weight, and Root fresh and dry weight. Keeping in view the desirable effect of seed priming on seed germination and further establishment, the experiment was planned to evaluate the effect of different seed priming with different time duration.

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Section: Time Taken To 50% Emergencementioning

confidence: 99%

Section: Germination %mentioning

confidence: 99%

Germination and Seedling Growth of Wheat as Affected by Seed Priming and its Duration

Abbas

2018

ARTOAJ

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“…Also, the priming of sunflower seeds in water for 20 hours led to an increase in the germination percentage and the normal seedlings percentage, plumule and radicle length, and fresh and dry seedling weight (Matias et al, 2018). Finally, (Farooq et al, 2010) noted that there is a correlation between the priming substance and the duration of priming seed, and indicated that the priming should be with solutions of specific durations of time. Moreover, an appropriate diluted concentration to ensure that the seeds are not damaged or destroyed, as plant species differ in the optimal duration of the priming process, it may be several hours, several days, or weeks.…”

Section: Introductionmentioning

confidence: 99%

Effect of the Seed Priming and Duration on the Seed Germination and Seedling Vigor of Sunflower Crop

Al-Badri¹,

Rasheed²,

Ahmed³

2021

PLANT ARCHIVES

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A factorial experiment was carried out according to a completely randomized design CRD with four replications in the laboratory of seed certification and testing department, Wasit Branch in 2019. The main aim was to study the seed priming of sunflower with water and salicylic acid at a concentration of 50 mg.L -1 and gibberellic acid at a concentration of 150 mg.L -1 , as well as a comparison treatment (dry seeds) for a duration of 6, 8 and 10 hours. The results showed that the highest percentage of germination in the first and second count and seedling vigor index was achieved when priming the seeds with water, as it reached 85%, 86%, and 1266 respectively. Consequently, the priming treatment with gibberellin was superior in the plumule length by an average of 8.84 cm, as, for priming seeds with salicylic acid, the highest average radicle length was 6.35 cm. In the role of the priming duration, the 10-hour priming duration gave the highest rate of germination in the first and second count of 85.98 and 86.81%, and the maximum plumule length 8.84 cm, and the seedling dry weight 0.37 mg, as well as the highest seedling vigor, reached 1274. In addition, all the interactions of materials and priming durations were superior in the presence of the comparison treatment over the comparison treatment, which gave the lowest average for the mentioned characteristics.

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“…The theory of seed priming was proposed by Heydecker in 1973 [4] Seed priming, a controlled hydration technique that allows the pre-germination metabolisms without actual germination (5,6), is one of the most pragmatic and short-term approaches to combat the effects of drought (7,8) and other environmental stresses (9,8,11) on seedling emergence and stand establishment. Primed seeds usually have higher and synchronized germination (12,7,6) owing to simply a reduction in the lag time of imbibitions (12), build-up of germination enhancing metabolites (14), metabolic repair during imbibition (15,16) and osmotic adjustment (5).…”

Section: Introductionmentioning

confidence: 99%

“…Table(8): effect of varieties and priming treatments on spikelets/ spike % ADANA cv. achieved in the most studied field traits compared to the other two varieties, the highest rate of field emergence percentage ( 84.533%) , the highest number of ears / m 2 ( 399.200 spike) , the highest weight of 1000 grains ( 35.737 gm), the highest weight of grain yield ( 4.646 ton /ha) .…”

mentioning

confidence: 99%

Improving the Performance of Wheat ( Triticum aestivum L.) by Seed Priming Under Arid Conditions in Kurdistan province of Iraq

2018

International Journal of Scientific Research and Sustainable De

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This study attempted to examine the effect of seed priming using plant growth regulators and vitamin C on some yield traits of three bread wheat cultivars (KALAL2, KUAZ , ADANA) in Kurdistan province of Iraq. The field study was performed three replications as factorial experiment in the form of a completely randomized design. Five priming treatments were use( dry seeds, distilled water, GA (Gibberellin), ( SA) Salicylic acid, AS ( Ascorbic acid))as 50 ppm for each the last three priming factors. The results showed that seed priming decreased the time to germination in all of the priming treatments, with improved length and dry weight of the seedling, final germination percentage.Ascorbic acid have the most positive effective between the other priming treatments .Results also showed an improvement in the field emergence percentage by seed priming , which helped in the development of other field attributes of the yield and its components of the three studied varieties. Adana variety showed a clear superiority over the other two varieties in most studied traits and all the priming factors used in the study. We can conclude from this study that seed priming can be a successful method in both of seedling and yield parameters of wheat, with the adoption of ascorbic acid as an important factor for the priming especially in dry and semi-arid areas.

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Improving Crop Resistance to Abiotic Stresses Through Seed Invigoration

Cited by 9 publications

References 1 publication

Germination and Seedling Growth of Wheat as Affected by Seed Priming and its Duration

Germination and Seedling Growth of Wheat as Affected by Seed Priming and its Duration

Effect of the Seed Priming and Duration on the Seed Germination and Seedling Vigor of Sunflower Crop

Improving the Performance of Wheat ( Triticum aestivum L.) by Seed Priming Under Arid Conditions in Kurdistan province of Iraq

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