Abstract
Background: Seed is an important component and the quality seed plays a crucial role in agricultural production as well as in the national economy. Availability of viable and vigorous seeds at the planting time is important. Onion seeds have a short life span among the vegetable crops and lose viability rapidly after harvest. The main reason for the low quality of onion seeds includes a long flowering period resulting in different stages of seed maturity in the umbel, very fast reduction of viability if stored in suboptimal conditions and seed infestation with fungi. Seed priming is a widely used technique to enhance seed performance during storage. Methods: The seed was primed with Neem leaf powder (100 g/kg) after hydration and dehydration, hydration with KH2PO4 (2.0%), KNO3 (1.0%), K2SO4 (1.0%) and Captan (N-trichloromethylthio-4-cyclohexane-1,2-dicarboximide) at 2.5 g/kg and stored in polyethylene (100µ) bags under ambient conditions. After each treatment, seeds were dried back to their original moisture content under shade. Result: The results revealed that different priming treatments had a significant effect on germination percentage, seedling length and vigour index-I except for moisture percentage in both the years. The maximum germination (74.1 and 71.2%) was observed in seeds treated with Captan (2.5 g/kg) followed by Neem leaf powder 100 g/kg seed (71.1 and 69.72%) during 2014-15 and 2015-16, respectively. The onion seeds primed with KH2PO4 (2.0%), KNO3 (1.0%) and K2SO4 (1.0%) had an adverse effect on seed germination. The germination decreased significantly with the increase in the storage period. The maximum seedling emergence (60.0%) was observed from the seed primed with Captan (2.5 g/kg) followed by Neem leaf powder 100 g/kg seed (56.1%).
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Claims 5
Claim · model-written summary
Different seed priming treatments had a significant effect on onion germination percentage, seedling length and vigour index-I, except for moisture percentage.
- Taxon
- Onion
Allium cepat0 - Treatment
- different priming treatmentse1
- Outcome
- germination percentage, seedling length and vigour index-Ie1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Onion Seed Quality”
e1“different priming treatments had a significant effect on germination percentage, seedling length and vigour index-I except for moisture percentage in both the years”
Claim · model-written summary
Seeds treated with Captan (2.5 g/kg) gave the maximum germination (74.1 and 71.2%) in 2014-15 and 2015-16.
- Taxon
- OnionAllium cepat0
- Treatment
- Captan (2.5 g/kg)e2
- Outcome
- germinatione2
- Direction
- maximume2
- Value
- 74.1 and 71.2%e2
- Qualifier
- during 2014-15 and 2015-16, respectivelye2
- Comparator
- Neem leaf powder 100 g/kg seede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Onion Seed Quality”
e2“The maximum germination (74.1 and 71.2%) was observed in seeds treated with Captan (2.5 g/kg) followed by Neem leaf powder 100 g/kg seed (71.1 and 69.72%) during 2014-15 and 2015-16, respectively”
Claim · model-written summary
Onion seeds primed with KH2PO4, KNO3 or K2SO4 had an adverse effect on seed germination.
- Taxon
- OnionAllium cepat0
- Treatment
- KH2PO4 (2.0%), KNO3 (1.0%) and K2SO4 (1.0%)e3
- Outcome
- seed germinatione3
- Direction
- adverse effecte3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Onion Seed Quality”
e3“The onion seeds primed with KH2PO4 (2.0%), KNO3 (1.0%) and K2SO4 (1.0%) had an adverse effect on seed germination”
Claim · model-written summary
Germination of onion seeds decreased significantly with longer storage.
- Taxon
- OnionAllium cepat0
- Treatment
- storage periode4
- Outcome
- germinatione4
- Direction
- decreasede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Onion Seed Quality”
e4“The germination decreased significantly with the increase in the storage period”
Claim · model-written summary
The maximum seedling emergence (60.0%) was observed from onion seed primed with Captan (2.5 g/kg), above Neem leaf powder (56.1%).
- Taxon
- OnionAllium cepat0
- Treatment
- Captan (2.5 g/kg)e5
- Outcome
- seedling emergencee5
- Direction
- maximume5
- Value
- 60.0%e5
- Comparator
- Neem leaf powder 100 g/kg seede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Onion Seed Quality”
e5“The maximum seedling emergence (60.0%) was observed from the seed primed with Captan (2.5 g/kg) followed by Neem leaf powder 100 g/kg seed (56.1%)”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.