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Effects of Boric Acid and Gibberellin on Fruiting of Apricot(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年01
Page:
28-32
Research Field:
Publishing date:

Info

Title:
Effects of Boric Acid and Gibberellin on Fruiting of Apricot
Author(s):
DONG Shengli1; 2; Ablah NIYAZ1; 2; 3; ZHANG Shikui1; 2; LIAO Kang3
(1.Luntai Plant Germplasm Resources Garden，Xinjiang Academy of Agricultural Sciences，Luntai，Xinjiang 841600；2.Luntai National Research Staotion of Xinjiang Fruit Germplsm Resources，Ministry of Agriculture/DIV，Luntai，Xinjiang 841600；3.College of Forestry and Horticulture,Xinjiang Agricultural University，Urumqi，Xinjiang 830052)
Keywords:
boric acid; GA3; fruiting rate
PACS:
-
DOI:
10.11937/bfyy.201701007
Abstract:
The primarily aim of this study was to clear the spraying optimum concentration of boric acid and gibberellin，investigate the effects of boric acid and exogenous GA3 on fruit set rate of apricot，and to provide some practical guidance and theoretical basis for high quality of apricot production.Four cultivars of ‘Qapaq Kishmish’‘Qara Ghazang’‘Derextiki Qaq’‘Semet rük’ were used as the test materials，spraying different concentrations of the boric acid (0.05%，0.10%，0.15%，0.20%，0.25%) and exogenous GA3 (50，100，150 mg?L-1) in florescence，respectively；and compared the effect of different concentrations of boric acid and exogenous GA3 on the fruiting rate of apricot.The results showed that，spraying of different concentrations of boric acid significantly increased the fruiting rate of various apricot cultivars.Fruiting rate of various apricot cultivars all showed a trend of first rising then declining with the increasing of the boric acid concentration，but the fruiting rate and its changing levels were significantly different among the cultivars.Among them，the optimum concentration of boric acid of ‘Derextiki Qaq’ and ‘Qara Ghazang’ both were found at the treatment concentration of 0.15%，while the optimum concentration of boric acid of ‘Qapaq Kishmish’ and ‘Semet rük’ were found at the the treatment concentration of 0.20% and 0.10%，respectively.Spraying of different concentrations of GA3 significantly increased the fruiting rate of various apricot cultivars.The fruiting rate showed a trend of first rising then declining in all four cultivars with the increasing of the GA3 concentration，and the fruiting rate and its changing levels were mainly the same among the cultivars.The highest fruiting rate of all cultivars were shown at the treatment concentration of 100 mg?L-1 GA3.Summary，the optimum concentration of boric acid and exogenous GA3 could increase the fruiting rate of apricot，but it would lead to decrease of fruiting rate that spraying of indisposed concentration of boric acid and exogenous GA3；and the response of various cultivars to the effects of different concentration of boric acid and GA3 were different.Therefore，screening of the optimum spraying concentration of boric acid and GA3 and its application process should also consider the issue of varieties.

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Last Update: 2017-03-10