Study on Screening of Melon Crops Suitable for Cultivation in Desert Polycrystalline Silicon Photovolatic Multispan Greenhouse

Wu Yanhong; Ma Wenshu; Hu Yongsheng; Wei Junqi; Wang Rong; Zhang Xueyan

doi:10.14083/j.issn.1001-4942.2017.03.014

Abstract：In polysilicon photovoltaic multispan greenhouse,the south of the bay is opacity polysilicon photovoltaic panel,and the north is PC sunlight panel,which form the zone of sunlight and shadow in the field.Two muskmelon varieties Zaochunmi and Xinhongbao,and three watermelon varieties Ribenlidu,Jinge as well as Lüihu were planted in this greenhouse to research the changes of crop growth,fruit quality and yield in different light conditions.The results showed that the stem diameter and plant height of Zaochunmi had significant differences in the north,central part and south under photovoltaic panel;the chlorophyll content and leaf number were the highest in the north;the fruit soluble sugar content and single fruit weight had no significant differences in different light conditions;the soluble solids and VC content were the biggest in the central.For Xinhongbao,the stem diamneter was the smallest in the south;the plant height and leaf number were the lowest in the north,while the chlorphyll content was the highest;the soluble solids and soluble sugar content had no significant differences in different light conditions;the single fruit weight in the central part was higher than that in the south.There was no significant differences in leaf number of Ribenlidu in different light conditions;the soluble sugar content and single fruit weight were both the highest in the north.For Jinge,the leaf number and VC content had no significant differences in different light conditions.In summary,when planting one single crop,Zaochunmi was the most suitable variety,followed by Lüihu;when planting several crops together,Ribenlidu was suitable to be planted in the north,and Zaochunmi or Lühu in the central and north parts.