Abstract
【Objective】 This paper studied the effects of exogenous ABA on cold-resistance of almond-apricot during blossom period.【Method】 Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud.【Result】 Compared to control,the results showed that the treatment could decrease the electrolyte osmotic rates of flower buds,flowers and young fruits,especially in lower temperature.It could also decrease the semi-lethal temperature by 2.73,1.73,0.38 ℃ and MDA content by 37.76%,55.1%,45.41% respectively,while the activity of SOD was enhanced by 2.3%,9.9%,0.7% and the activity of POD was enhanced by 9.0%,0.7%,3.4% respectively.Soluble sugar was increased by 6.5%,15.24%,12.3% and endogenous ABA content was increased by 275%,61.7%,8.3% respectively.The treatment could keep a higher ratio of ABA/GA3.【Conclusion】 Spurting 18 mg/L ABA during the swelling-time could enhance the cold-resistance of almond-apricot during blossom period in the situation of not affecting flower bud,flowers and young fruit development of almond-apricot.
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Claims 20
Claim · model-written summary
ABA spraying decreased electrolyte osmotic rates of flower buds, flowers and young fruits, especially at lower temperature.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e2“the treatment could decrease the electrolyte osmotic rates of flower buds,flowers and young fruits,especially in lower temperature”
Claim · model-written summary
ABA spraying decreased the semi-lethal temperature of flower buds by 2.73.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e3“It could also decrease the semi-lethal temperature by 2.73,1.73,0.38 ℃ and MDA content by 37.76%,55.1%,45.41% respectively”
Claim · model-written summary
ABA spraying decreased the semi-lethal temperature of flowers by 1.73.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e3“It could also decrease the semi-lethal temperature by 2.73,1.73,0.38 ℃ and MDA content by 37.76%,55.1%,45.41% respectively”
Claim · model-written summary
ABA spraying decreased the semi-lethal temperature of young fruits by 0.38.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e3“It could also decrease the semi-lethal temperature by 2.73,1.73,0.38 ℃ and MDA content by 37.76%,55.1%,45.41% respectively”
Claim · model-written summary
ABA spraying decreased MDA content of flower buds by 37.76%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e3“It could also decrease the semi-lethal temperature by 2.73,1.73,0.38 ℃ and MDA content by 37.76%,55.1%,45.41% respectively”
Claim · model-written summary
ABA spraying decreased MDA content of flowers by 55.1%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e3“It could also decrease the semi-lethal temperature by 2.73,1.73,0.38 ℃ and MDA content by 37.76%,55.1%,45.41% respectively”
Claim · model-written summary
ABA spraying decreased MDA content of young fruits by 45.41%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e3“It could also decrease the semi-lethal temperature by 2.73,1.73,0.38 ℃ and MDA content by 37.76%,55.1%,45.41% respectively”
Claim · model-written summary
ABA spraying increased SOD activity of flower buds by 2.3%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e4“while the activity of SOD was enhanced by 2.3%,9.9%,0.7% and the activity of POD was enhanced by 9.0%,0.7%,3.4% respectively”
Claim · model-written summary
ABA spraying increased SOD activity of flowers by 9.9%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e4“while the activity of SOD was enhanced by 2.3%,9.9%,0.7% and the activity of POD was enhanced by 9.0%,0.7%,3.4% respectively”
Claim · model-written summary
ABA spraying increased SOD activity of young fruits by 0.7%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e4“while the activity of SOD was enhanced by 2.3%,9.9%,0.7% and the activity of POD was enhanced by 9.0%,0.7%,3.4% respectively”
Claim · model-written summary
ABA spraying increased POD activity of flower buds by 9.0%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e4“while the activity of SOD was enhanced by 2.3%,9.9%,0.7% and the activity of POD was enhanced by 9.0%,0.7%,3.4% respectively”
Claim · model-written summary
ABA spraying increased POD activity of flowers by 0.7%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e4“while the activity of SOD was enhanced by 2.3%,9.9%,0.7% and the activity of POD was enhanced by 9.0%,0.7%,3.4% respectively”
Claim · model-written summary
ABA spraying increased POD activity of young fruits by 3.4%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e4“while the activity of SOD was enhanced by 2.3%,9.9%,0.7% and the activity of POD was enhanced by 9.0%,0.7%,3.4% respectively”
Claim · model-written summary
ABA spraying increased soluble sugar of flower buds by 6.5%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e5“Soluble sugar was increased by 6.5%,15.24%,12.3%”
Claim · model-written summary
ABA spraying increased soluble sugar of flowers by 15.24%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e5“Soluble sugar was increased by 6.5%,15.24%,12.3%”
Claim · model-written summary
ABA spraying increased soluble sugar of young fruits by 12.3%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e5“Soluble sugar was increased by 6.5%,15.24%,12.3%”
Claim · model-written summary
ABA spraying increased endogenous ABA content of flower buds by 275%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e6“endogenous ABA content was increased by 275%,61.7%,8.3% respectively”
Claim · model-written summary
ABA spraying increased endogenous ABA content of flowers by 61.7%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e6“endogenous ABA content was increased by 275%,61.7%,8.3% respectively”
Claim · model-written summary
ABA spraying increased endogenous ABA content of young fruits by 8.3%.
Verbatim
t0“of almond-apricot during blossom period”
e1“Taking 8-year-old almond-apricot as the material,running water as comparison,the cold-resistance and related physiological targets of the flower bud,flowers and young fruit's were determined respectively after spraying 18 mg/L ABA during the swelling-time of flower bud”
e6“endogenous ABA content was increased by 275%,61.7%,8.3% respectively”
Claim · model-written summary
Spraying 18 mg/L ABA during bud swelling is recommended to enhance cold resistance of almond-apricot without affecting flower bud, flower and young fruit development.
Verbatim
t0“of almond-apricot during blossom period”
e7“Spurting 18 mg/L ABA during the swelling-time could enhance the cold-resistance of almond-apricot during blossom period in the situation of not affecting flower bud,flowers and young fruit development”