Abstract
The effect of moisture stress and growth regulators on chickpea was studied during the rabi season of 2011 in a field experiment with split plot design. Two levels of moisture regime were maintained viz. I1= fully irrigated condition (control) and I2= without irrigation (moisture stress). Before sowing, chick pea seeds were soaked with different growth regulators like Glycine betaine plant extract (0.5%), Ascophyllum nodosum extract (0.2%), Triacontanol (10ppm), CCC (300ppm) and Gibberellic acid (300ppm) for 16 hours. Water soaked seeds were sown in the control plot. Moisture stress (I1) significantly reduced growth attributes like plant height, dry matter accumulation, LAI at 30, 60, 90 and 120 DAS and CGR during 30-60, 60-90 and 90-120 DAS. Moisture stress also significantly reduced physiological parameters like chlorophyll content (chlorophyll a, chlorophyll b and total chlorophyll), relative water content (RWC) and membrane stability index (MSI) recorded at 50 and 75 DAS; yield and yield attributes like number of pods per plant, number of seeds per plant, 1000 seed weight, seed yield, stick yield, harvest index. Different growth regulators like Glycine betaine, Ascophyllum extract, Triacontanol and GA3 significantly increased plant height, dry matter accumulation, LAI, CGR, number of branches per plant, chlorophyll content, RWC, MSI, number of pods/plant, 1000 seed weight, seed yield, harvest index over control. Highest yield in terms of pods/plant, test weight of seeds, seed yield/ha and stick yield/ha was recorded from GA3 treatment followed by Triacontanol. Glycine betaine, Ascophyllum nodosum extract and GA3 recorded significantly higher value of above growth, physiological and yield parameters under moisture stress condition as compared to control. Glycine betaine treatment recorded highest total chlorophyll content (2.521mg g-1), RWC(77.69) and MSI(74.45) of leaves, pod wt(g) plant-1, seeds plant-1, seed yield ha-1 (14.13 q ha-1) and harvest index under moisture stress closely followed by Ascophyllum nodosum extract and GA3.
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Claims 15
Claim · model-written summary
Moisture stress significantly reduced plant height, dry matter and LAI.
- Taxon
- chickpea
Cicer arietinumt0 - Treatment
- Moisture stresse0
- Outcome
- plant height, dry matter accumulation, LAIe0
- Direction
- reducede0
- Comparator
- fully irrigated condition (control)t1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moisture stress (I1) significantly reduced growth attributes like plant height, dry matter accumulation, LAI at 30, 60, 90 and 120 DAS and CGR during 30-60, 60-90 and 90-120 DAS.”
t0“chickpea”
t1“fully irrigated condition (control)”
Claim · model-written summary
Moisture stress significantly reduced crop growth rate.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Moisture stresse0
- Outcome
- CGRe0
- Direction
- reducede0
- Comparator
- fully irrigated condition (control)t1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moisture stress (I1) significantly reduced growth attributes like plant height, dry matter accumulation, LAI at 30, 60, 90 and 120 DAS and CGR during 30-60, 60-90 and 90-120 DAS.”
t0“chickpea”
t1“fully irrigated condition (control)”
Claim · model-written summary
Moisture stress significantly reduced chlorophyll a, chlorophyll b and total chlorophyll.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Moisture stresse0
- Outcome
- chlorophyll a, chlorophyll b and total chlorophylle0
- Direction
- reducede0
- Comparator
- fully irrigated condition (control)t1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moisture stress also significantly reduced physiological parameters like chlorophyll content (chlorophyll a, chlorophyll b and total chlorophyll), relative water content (RWC) and membrane stability index (MSI) recorded at 50 and 75 DAS; yield and yield attributes like number of pods per plant, number of seeds per plant, 1000 seed weight, seed yield, stick yield, harvest index.”
t0“chickpea”
t1“fully irrigated condition (control)”
Claim · model-written summary
Moisture stress significantly reduced RWC and MSI.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Moisture stresse0
- Outcome
- relative water content (RWC) and membrane stability index (MSI)e0
- Direction
- reducede0
- Comparator
- fully irrigated condition (control)t1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moisture stress also significantly reduced physiological parameters like chlorophyll content (chlorophyll a, chlorophyll b and total chlorophyll), relative water content (RWC) and membrane stability index (MSI) recorded at 50 and 75 DAS; yield and yield attributes like number of pods per plant, number of seeds per plant, 1000 seed weight, seed yield, stick yield, harvest index.”
t0“chickpea”
t1“fully irrigated condition (control)”
Claim · model-written summary
Moisture stress significantly reduced pod number, seed number and 1000-seed weight.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Moisture stresse0
- Outcome
- number of pods per plant, number of seeds per plant, 1000 seed weighte0
- Direction
- reducede0
- Comparator
- fully irrigated condition (control)t1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moisture stress also significantly reduced physiological parameters like chlorophyll content (chlorophyll a, chlorophyll b and total chlorophyll), relative water content (RWC) and membrane stability index (MSI) recorded at 50 and 75 DAS; yield and yield attributes like number of pods per plant, number of seeds per plant, 1000 seed weight, seed yield, stick yield, harvest index.”
t0“chickpea”
t1“fully irrigated condition (control)”
Claim · model-written summary
Moisture stress significantly reduced seed yield, stick yield and harvest index.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Moisture stresse0
- Outcome
- seed yield, stick yield, harvest indexe0
- Direction
- reducede0
- Comparator
- fully irrigated condition (control)t1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moisture stress also significantly reduced physiological parameters like chlorophyll content (chlorophyll a, chlorophyll b and total chlorophyll), relative water content (RWC) and membrane stability index (MSI) recorded at 50 and 75 DAS; yield and yield attributes like number of pods per plant, number of seeds per plant, 1000 seed weight, seed yield, stick yield, harvest index.”
t0“chickpea”
t1“fully irrigated condition (control)”
Claim · model-written summary
Glycine betaine significantly increased reported growth, physiological and yield parameters over control.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Glycine betainee0
- Outcome
- plant height, dry matter accumulation, LAIe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different growth regulators like Glycine betaine, Ascophyllum extract, Triacontanol and GA3 significantly increased plant height, dry matter accumulation, LAI, CGR, number of branches per plant, chlorophyll content, RWC, MSI, number of pods/plant, 1000 seed weight, seed yield, harvest index over control.”
t0“chickpea”
Claim · model-written summary
Ascophyllum extract significantly increased reported growth parameters over control.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Ascophyllum extracte0
- Outcome
- plant height, dry matter accumulation, LAIe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different growth regulators like Glycine betaine, Ascophyllum extract, Triacontanol and GA3 significantly increased plant height, dry matter accumulation, LAI, CGR, number of branches per plant, chlorophyll content, RWC, MSI, number of pods/plant, 1000 seed weight, seed yield, harvest index over control.”
t0“chickpea”
Claim · model-written summary
Triacontanol significantly increased reported growth parameters over control.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Triacontanole0
- Outcome
- plant height, dry matter accumulation, LAIe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different growth regulators like Glycine betaine, Ascophyllum extract, Triacontanol and GA3 significantly increased plant height, dry matter accumulation, LAI, CGR, number of branches per plant, chlorophyll content, RWC, MSI, number of pods/plant, 1000 seed weight, seed yield, harvest index over control.”
t0“chickpea”
Claim · model-written summary
GA3 significantly increased reported growth parameters over control.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- GA3e0
- Outcome
- plant height, dry matter accumulation, LAIe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different growth regulators like Glycine betaine, Ascophyllum extract, Triacontanol and GA3 significantly increased plant height, dry matter accumulation, LAI, CGR, number of branches per plant, chlorophyll content, RWC, MSI, number of pods/plant, 1000 seed weight, seed yield, harvest index over control.”
t0“chickpea”
Claim · model-written summary
GA3 gave the highest pod number, seed test weight and seed and stick yields, followed by Triacontanol.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- GA3 treatmente0
- Outcome
- pods/plant, test weight of seeds, seed yield/hae0
- Direction
- Higheste0
- Comparator
- Triacontanole0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Highest yield in terms of pods/plant, test weight of seeds, seed yield/ha and stick yield/ha was recorded from GA3 treatment followed by Triacontanol.”
t0“chickpea”
Claim · model-written summary
Glycine betaine gave highest total leaf chlorophyll under moisture stress, at 2.521 mg g-1.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Glycine betaine treatmente0
- Outcome
- total chlorophyll contente0
- Direction
- higheste0
- Value
- 2.521mg g-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glycine betaine treatment recorded highest total chlorophyll content (2.521mg g-1), RWC(77.69) and MSI(74.45) of leaves”
t0“chickpea”
Claim · model-written summary
Glycine betaine gave leaf RWC of 77.69 under moisture stress.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Glycine betaine treatmente0
- Outcome
- RWCe0
- Value
- 77.69e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glycine betaine treatment recorded highest total chlorophyll content (2.521mg g-1), RWC(77.69) and MSI(74.45) of leaves”
t0“chickpea”
Claim · model-written summary
Glycine betaine gave leaf MSI of 74.45 under moisture stress.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Glycine betaine treatmente0
- Outcome
- MSIe0
- Value
- 74.45e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glycine betaine treatment recorded highest total chlorophyll content (2.521mg g-1), RWC(77.69) and MSI(74.45) of leaves”
t0“chickpea”
Claim · model-written summary
Glycine betaine gave seed yield of 14.13 q ha-1 under moisture stress.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Glycine betaine treatmente0
- Outcome
- seed yield ha-1e0
- Value
- 14.13 q ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glycine betaine treatment recorded highest total chlorophyll content (2.521mg g-1), RWC(77.69) and MSI(74.45) of leaves, pod wt(g) plant-1, seeds plant-1, seed yield ha-1 (14.13 q ha-1) and harvest index under moisture stress closely followed by Ascophyllum nodosum extract and GA3.”
t0“chickpea”
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