Abstract
The experiment was conducted during 2001-02 to find out the effect of urea, ethanol and putrecine on growth and yield of lettuce (Lactuca sativa L.). The plants were sprayed with urea, ethanol and putrecine. Foliar application consisted of 0.6 % of urea, 20 and 40 % (v/v) of ethanol and 150, 350 and 450 ppm of putrecine and sprayed between 4 pm-5pm in a day using a hand sprayer. First application was made at 5-6 true leaves stage later, starting 2nd week after transplantation on 10 May 2001 and 2002. Spray volume used in applications varied from 150 to 250 ml/12 plants. Plants received 4 applications at 7-day intervals during the growing season. Foliar sprays were influenced significantly size of head of lettuce. Dry weight of leaves and root were not affected significantly by foliar treatment of urea, ethanol and putrecine. Putrecine and ethanol applied as a foliar treatment was less effective than urea on lettuce. Foliar fertilization of urea (0.6 %) as nitrogen sources could be suggested to have better yield and growing properties in lettuce production.
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Claims 4
Claim · model-written summary
Foliar sprays significantly influenced the head size of lettuce.
- Taxon
- lettuce
Lactuca sativat0 - Treatment
- Foliar sprayse1
- Outcome
- size of heade1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“lettuce”
e1“Foliar sprays were influenced significantly size of head of lettuce”
Claim · model-written summary
Foliar treatment with urea, ethanol and putrescine did not significantly affect dry weight of leaves and roots of lettuce.
- Taxon
- lettuceLactuca sativat0
- Treatment
- foliar treatment of urea, ethanol and putrecinee1
- Outcome
- Dry weight of leaves and roote1
- Direction
- not affectede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“lettuce”
e1“Dry weight of leaves and root were not affected significantly by foliar treatment of urea, ethanol and putrecine”
Claim · model-written summary
Foliar putrescine and ethanol were less effective than urea on lettuce.
- Taxon
- lettuceLactuca sativat0
- Treatment
- Putrecine and ethanole1
- Outcome
- less effectivee1
- Direction
- less effectivee1
- Comparator
- ureae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“lettuce”
e1“Putrecine and ethanol applied as a foliar treatment was less effective than urea on lettuce”
Claim · model-written summary
The authors suggest foliar urea at 0.6% as a nitrogen source for better yield and growing properties of lettuce.
- Taxon
- lettuceLactuca sativae1
- Treatment
- Foliar fertilization of urea (0.6 %)e1
- Outcome
- yield and growing propertiese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Foliar fertilization of urea (0.6 %) as nitrogen sources could be suggested to have better yield and growing properties in lettuce production”
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