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《Journal of Northwest A & F University(Natural Science Edition)》 2007-01
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Studies on growth and development of apricot fruit

YANG Heng,WEI An-zhi,YANG Tu-xi,ZHANG Rui,SA Wen-qing(College of Forestry,Northwest A & F University,Yangling,Shaanxi 712100,China)  
Fruit development of "Gold sun" apricot was observed and analyzed in and out of the greenhouse in Yangling Shenfeng Company in 2004 to 2005.The results showed that:Under greenhouse cultivation conditions,the fruit development period was prolonged for 15 days in the first and the second quick growing periods.Under greenhouse cultivating conditions,growth ratio of the apricot in the first high-speed growing period was significantly smaller than that in open field.The accumulative growth of the apricot in the second high-speed growing period was more significant than that in open field.The lower temperature at night inside the greenhouse should be responsible for the prolonging of first high-speed growing period,the slower growth and the larger fruit size.Of greenhouse culture,vertical diameter,horizontal diameter and fresh weight of the apricot fruit were distinct regression relationships respectively(r=0.98~(**))(r=0.99~(**));Relationship between fresh weight and growth days of the apricot fruit in greenhouse conformed to Logistic curve(r=-0.99~(**)).
【Fund】: 西北农林科技大学科研专项(05ZR058)
【CateGory Index】: S662.2;S628
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