Effects of rain shelter cultivation on phenology,yield and quality of loquat in mountainous areas of Fujian Province
To determine the necessity and feasibility of loquat rain shelter cultivation in mountainous areas of Fujian Province.With'Donghuzao'and'Guifei'loquat as the material and open field cultivation as the control,a comparative study was carried out on the microenvironment,biological characteristics,fruit quality,mineral content and production efficiency of loquat in mountainous areas of Fujian Province.The results showed that compared with the open field cultivation,the microenvironment of loquat in the shed changed,the average air temperature and relative humidity increased by 1.24 times and 1.05 times,respectively,and the light intensity decreased by only 80％of the open field.The rain shelter facilities provided a relatively stable cultivation environment for loquat.The fruit quality and yield of loquat in the shed were improved,and the maturity stage was about 1 week earlier.The soluble solid content of'Donghuzao'and'Guifei'under rain protection cultivation was 3.29％and 15.31％higher,the titrable acid content was 8.16％and 7.84％lower,the average per 667 m2 yield was 11.09％and 2.48％higher,and the commercial fruit rate was 1.09 times and 1.03 times of that under open cultivation mode,respectively.The disease resistance and stress resistance were better than that of open field cultivation.Compard with open field cultivation,the anthracnose incidence,wrinkled fruit rate and cracked fruit rate of'Donghuzao'loquat under rain protection cultivation were reduced by 14.93％,66.75％,42.83％,the rust spot index were increased by 35.60％.'Guifei'loquat the anthracnose incidence,wrinkled fruit rate and cracked fruit rate were reduced by 12.92％,33.21％,33.30％,the rust spot index were increased by 20.81％respectively.The results of mineral element content analysis in loquat pulp showed that the contents of K,Mg,Ca,Fe,B in loquat pulp under rainfed cultivation were significantly higher than those under open cultivation,while the contents of Cu,Mn,Ba,Tl were significantly lower than those under open cultivation.The fruit quality of loquat under rainfed cultivation was better.Mountain loquat rain shelter facilities have good economic benefits,compared with open field cultivation,'Donghuzao'increased profit by 5 529.95 yuan per 667 m2,and'Guifei'increased profit by 4 836.50 yuan per 667 m2.The rain shelter cultivation model of loquat can be moderately promoted in Fujian.
'Donghuzao''Guifei'open field cultivationrain shelter cultivationeconomic benefit
万方数据
维普
