哈密地区日光温室弗雷葡萄促成栽培不同生长期光照环境特点及有效积温的确定

Solar Greenhouse Light Environments Features and Determination of Effective Accumulated Temperature for Flaming Grape Growth Stage in Hami Region

对于日光温室弗雷葡萄各个生育期光温条件的合理调控，需要如生长适温范围、生育期有效积温、光合有效辐射等温光指标，但这方面的研究却少有报道。本研究测定了哈密黄田农场日光温室及露地弗雷葡萄各生长发育期内的温光环境因子．结果表明：哈密地区日光温室弗雷葡萄萌芽期、新稍生长期室内水平面上光合有效辐射照度均已超过葡萄叶片的光饱和点．该地区光照条件不作为日光温室内葡萄提早栽培的限制性因子。日光温室弗雷葡萄萌芽期、新稍生长期、开花期、果实膨大期、转色成熟期生长发育下限温度分别为：11．0℃，15．9℃、18．4℃、14．8℃、19．8℃。以上结果能够为日光温室弗雷葡萄促成栽培的环境管理提供依据。

To adjust light and temperature conditions reasonably for Flaming grape growth stage in greenhouse, much indexes such as growth suitable temperature range, effective accumulated temperature and photosynthetically active radiation （PAR） were need- ed. In this paper, temperature and light intensity factor were measured for Flaming grape growth in greenhouse and field. The results showed that： the PAR of Flaming grape emergence stage and shoot growth stage in greenhouse were higher than light saturation point of grape leaves, so the Light conditions were not as limiting factors of grape forcing culture in solar greenhouse in Hami region. The De- velopmental threshold temperature for Flaming grape emergence stage, shoot growth stage, flowering stage, fruit enlargement stage and fruit maturity stage were 11.0 ℃,15.9 ℃,18.4 ℃,14.8 ℃ and 19.8 ℃ respectively. The results provided evidence for promoting envi- ronmental management of Flaming grape in solar greenhouse.