Abstract
One field experiment was carried out on clay soil in 2016 season and repeated in 2017 season in El-Gemmeiza Agricultural Research Station, Agricultural Research Center, El-Gharbiya Governorate, Egypt, to study the effect of seven treatments including foliar application with two rates of mepiquat chloride (pix); 2 and 3cm3/L, two rates of Kaolin (2 and 3g/L), two rates of mepiquat chloride(pix) and Kaolin application in combination (2cm3+2g)/L, (3cm3+3g)/Lthree times (at squaring stage, at the start of flowering and at the top of flowering) and control treatment on leaf chemical composition, plant growth, earliness, fiber quality and yield of Egyptian cotton (Gossypium barbadense L.), Giza 86 cultivar. A randomized complete blocks design with 3 replicates was used in both seasons. The important results could be summarized as follow:- The tested treatments had a significant effect on leaves N, P, K, chlorophyll a, b, total chlorophyll and carotenoids contents in the two seasons of study, where foliar application with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times recorded the highest values of these traits in both seasons followed by foliar application with mepiquat chloride alone at 3cm3/L. While, the control treatment produced the lowest values of these traits.Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly reduced final plant height, followed by foliar application with mepiquat chloride at 3cm3/L three times, foliar application with mepiquat chloride at 2cm3/L in combined with kaolin at 2g/L three times, foliar application with mepiquat chloride at 2cm3/L, foliar application with kaolin at 3g/L three times and foliar application with kaolin at 2g/L three times, while control treatment recorded the tallest plants. Number of fruiting branches/plant did not affect by these treatments. Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly increased numbers of total flowers and total bolls set/plant, boll setting and earliness percentages followed by foliar application with mepiquat chloride at 3cm3/L. But, the lowest values were obtained from the control treatment.Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly increased boll weight, number of open bolls/plant, seed cotton yield/plant, seed index and seed cotton yield/fed in the two seasons of study followed by foliar application with mepiquat chloride at 3cm3/L. But, untreated plants produced the lowest values.On the other hand, the tested treatments had insignificant effect on fiber quality (fiber strength and micronaire reading) and lint percentage in both seasons.This study demonstrates that foliar spraying with mepiquat chloride (pix) at 3cm3/L in combined with kaolin at 3g/L three times (at squaring stage, at the start of flowering and at the top of flowering) could be recommended to improve the chemical composition of leaves, vegetative growth traits, earliness, yield/feddan, yield components and fiber quality of Giza 86 cotton cultivar under conditions of El-Gemmeiza location.
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Claims 12
Claim · model-written summary
Combined high-rate spray gave the highest leaf N, P and K contents in both seasons.
- Taxon
- Cotton Plant
Gossypium hirsutumt0 - Organ / stage
- leavese1
- Treatment
- foliar application with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- leaves N, P, Ke1
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“foliar application with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times recorded the highest values of these traits in both seasons”
e1“leaves N, P, K, chlorophyll a, b, total chlorophyll and carotenoids contents”
Claim · model-written summary
Combined high-rate spray gave the highest leaf chlorophyll and carotenoid contents in both seasons.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- foliar application with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- chlorophyll a, b, total chlorophyll and carotenoids contentse1
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“foliar application with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times recorded the highest values of these traits in both seasons”
e1“chlorophyll a, b, total chlorophyll and carotenoids contents”
Claim · model-written summary
High-rate mepiquat chloride alone ranked second for leaf chemical contents.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- foliar application with mepiquat chloride alone at 3cm3/Le0
- Outcome
- leaves N, P, K, chlorophyll a, b, total chlorophyll and carotenoids contentse1
- Direction
- followed bye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“followed by foliar application with mepiquat chloride alone at 3cm3/L”
e1“leaves N, P, K, chlorophyll a, b, total chlorophyll and carotenoids contents”
Claim · model-written summary
The control had the lowest leaf chemical contents.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- control treatmente0
- Outcome
- leaves N, P, K, chlorophyll a, b, total chlorophyll and carotenoids contentse1
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“the control treatment produced the lowest values of these traits”
e1“leaves N, P, K, chlorophyll a, b, total chlorophyll and carotenoids contents”
Claim · model-written summary
Combined high-rate spray significantly reduced final plant height.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- final plant heighte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly reduced final plant height”
Claim · model-written summary
Fruiting branch number was unaffected by the tested treatments.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- these treatmentse0
- Outcome
- Number of fruiting branches/plante0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“Number of fruiting branches/plant did not affect by these treatments”
Claim · model-written summary
Combined high-rate spray increased total flowers and bolls set per plant.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- numbers of total flowers and total bolls set/plante0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly increased numbers of total flowers and total bolls set/plant”
Claim · model-written summary
Combined high-rate spray increased boll setting and earliness percentages.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- boll setting and earliness percentagese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly increased numbers of total flowers and total bolls set/plant, boll setting and earliness percentages”
Claim · model-written summary
Combined high-rate spray increased boll weight and open boll number.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- boll weight, number of open bolls/plante0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly increased boll weight, number of open bolls/plant”
Claim · model-written summary
Combined high-rate spray increased seed cotton yield per plant and per feddan and seed index.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- seed cotton yield/plant, seed index and seed cotton yield/fede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“Foliar spraying with mepiquat chloride at 3cm3/L in combined with kaolin at 3g/L three times significantly increased boll weight, number of open bolls/plant, seed cotton yield/plant, seed index and seed cotton yield/fed”
Claim · model-written summary
Treatments did not significantly affect fiber strength, micronaire or lint percentage.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- tested treatmentse0
- Outcome
- fiber quality (fiber strength and micronaire reading) and lint percentagee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“tested treatments had insignificant effect on fiber quality (fiber strength and micronaire reading) and lint percentage in both seasons”
Claim · model-written summary
The authors recommend three high-rate combined sprays to improve cotton performance at El-Gemmeiza.
- Taxon
- Cotton PlantGossypium hirsutumt0
- Treatment
- foliar spraying with mepiquat chloride (pix) at 3cm3/L in combined with kaolin at 3g/L three timese0
- Outcome
- improve the chemical composition of leaves, vegetative growth traits, earliness, yield/feddan, yield components and fiber qualitye0
- Setting
- El-Gemmeiza locatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Plant”
e0“foliar spraying with mepiquat chloride (pix) at 3cm3/L in combined with kaolin at 3g/L three times (at squaring stage, at the start of flowering and at the top of flowering) could be recommended to improve the chemical composition of leaves, vegetative growth traits, earliness, yield/feddan, yield components and fiber quality of Giza 86 cotton cultivar under conditions of El-Gemmeiza location”
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See all 70 papers →8 of 17 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.