Abstract
The present work was carried out through winter seasons 2005-2006 to investigate the effect of root zone heating of plants behavior and yield under greenhouse conditions. This work aimed to explain the increases in plant fresh mass due to root zone heating. The two cultivars of snap beans were used. Seeds were sown directly on 15th of October 2005 to May 2006, respectively. Four treatments were used, hot water tube, plastic mulch, straw mulch and control (without any especial preparation). The average soil temperature recorded for each previously mentioned treatment were 26, 20.8, 19.9and 18.9 oC respectively. Plant growth, yield and quality of pods in addition to carbohydrates and fiber content of pods were determined in response to soil heating treatments compared to the control. Results indicated that using hot water treatment gave the highest mean fresh mass (47 gm/pod), the average leaves numbers (24.17 leaf/ plant), the maximum mean plant height was153 cm and plant dry mass (14.3 gm). The tallest plant height was obtained using plastic mulch treatment. There were no significant differences found in the number of shoots per plant and stem diameter in all treatments. No significant differences were found in pod fresh mass, pod diameter and pod length among treatments. The lowest value of total fiber content of pods was found in straw mulch treatment. The highest value of carbohydrates content of pods (15.6 gm) was observed in hot water tube treatment.
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Claims 9
Claim · model-written summary
Hot water treatment gave the highest mean pod fresh mass of 47 gm/pod.
- Taxon
- snap beanse1
- Treatment
- hot water treatmente0
- Outcome
- mean fresh masse0
- Direction
- higheste0
- Value
- 47 gm/pode0
Not reportedComparator
Verbatim
e0“hot water treatment gave the highest mean fresh mass (47 gm/pod)”
e1“snap beans”
Claim · model-written summary
Hot water treatment yielded an average of 24.17 leaves per plant.
- Taxon
- snap beanse1
- Treatment
- hot water treatmente0
- Outcome
- average leaves numberse0
- Value
- 24.17 leaf/ plante0
Not reportedComparatorDirection
Verbatim
e0“hot water treatment gave the highest mean fresh mass (47 gm/pod), the average leaves numbers (24.17 leaf/ plant)”
e1“snap beans”
Claim · model-written summary
Hot water treatment produced a maximum mean height of 153 cm.
- Taxon
- snap beanse1
- Treatment
- hot water treatmente2
- Outcome
- mean plant heighte0
- Direction
- maximume0
- Value
- 153 cme0
Not reportedComparator
Verbatim
e0“the maximum mean plant height was153 cm”
e1“snap beans”
e2“hot water treatment”
Claim · model-written summary
Hot water treatment produced plant dry mass of 14.3 gm.
Not reportedComparatorDirection
Verbatim
e0“plant dry mass (14.3 gm)”
e1“snap beans”
e2“hot water treatment”
Claim · model-written summary
Plastic mulch produced the tallest plants.
Not reportedComparator
Verbatim
e0“The tallest plant height was obtained using plastic mulch treatment”
e1“snap beans”
Claim · model-written summary
Shoot number and stem diameter did not significantly differ across treatments.
- Taxon
- snap beanse1
- Treatment
- all treatmentse0
- Outcome
- number of shoots per plant and stem diametere0
- Direction
- no significant differencese0
Not reportedComparator
Verbatim
e0“There were no significant differences found in the number of shoots per plant and stem diameter in all treatments”
e1“snap beans”
Claim · model-written summary
Pod fresh mass, diameter and length did not significantly differ among treatments.
- Taxon
- snap beanse1
- Treatment
- treatmentse0
- Outcome
- pod fresh mass, pod diameter and pod lengthe0
- Direction
- No significant differencese0
Not reportedComparator
Verbatim
e0“No significant differences were found in pod fresh mass, pod diameter and pod length among treatments”
e1“snap beans”
Claim · model-written summary
Straw mulch gave the lowest pod fiber content.
- Taxon
- snap beanse1
- Treatment
- straw mulch treatmente0
- Outcome
- total fiber content of podse0
- Direction
- loweste0
Not reportedComparator
Verbatim
e0“The lowest value of total fiber content of pods was found in straw mulch treatment”
e1“snap beans”
Claim · model-written summary
Hot water tube treatment gave the highest pod carbohydrate content, 15.6 gm.
- Taxon
- snap beanse1
- Treatment
- hot water tube treatmente0
- Outcome
- carbohydrates content of podse0
- Direction
- higheste0
- Value
- 15.6 gme0
Not reportedComparator
Verbatim
e0“The highest value of carbohydrates content of pods (15.6 gm) was observed in hot water tube treatment”
e1“snap beans”
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