| European sweet cherry(Cerasus avium(L.)Moench.),also famous cherries,sweet cherry,cherry,is the first spring fruit in the north ".The country of origin is mainly in Eastern Europe and southwestern asia.Compared with the Chinese cherries originated from China,they have the characteristics of high edible rate,large fruit shape,bright color of pericarp,high sweetness,thick meat,good storage and transportation.The fruit color and delicate,exquisite and lovely,as red as the sun,yellow as butter,nutrient content is extremely rich,especially the iron content is extremely high,so there is a certain effect on anemia in patients with tonic.Anthocyanin in cherry can effectively reduce the blood sugar concentration in diabetic patients.In addition to fruit,the root,leaf,fruit,nucleus,and body are all treasures and can be used as medicine.It is called " the diamond in fruit "".At present,the big cherry industry has developed rapidly in Tongchuan,and the planting area has exceeded 2000 hectares.It has become a rich peasant industry in the process of urban transformation,increasing farmers’ income and attracting entrepreneurship."Tongchuan big cherry" has become a beautiful scenic line in Tongchuan.In recent years,"Tongchuan cherry" has been successfully registered.It has been proved by the Tongchuan geographical indications.1、Pollination combination test,through several varieties of the orchard showed that Redlight as female,Qinying1 and Rainier do pollination combination male fruit setting rate is as high as 44%,41.4%.As pollination tree light.Through pollination emasculation and emasculation control results show that the different varieties of fruits set compared with emasculation processing pollination combinations have different degrees of growth without emasculation processing,growth in the range of 0.4% ~ 8.2%,in the flower bud on the stigma of emasculation growth will have an impact,so for pollination combination experiment self incompatibility of sweet cherry varieties,can be exempted from the emasculation process.2、The growth curve of Qinying1,Sunburst,Jimei and Longguan has obvious regularity,and the dynamic curve of fruit vertical diameter and transverse diameter is double S.For the measurement of four varieties of fruit growth curve can be roughly divided into the following three stages,the first stage,from late April to early May,the fruit diameter increased rapidly,at the end of this stage fruit size reached picking period of 57.2% to 78%,this time on nitrogen and potassium fertilizer,phosphate fertilizer.To promote fruit enlargement,reduce the physiological fruit drop,improve fruit quality,at the same time make up the tree for fruit consumption of nutrients.The second stage,from early May to mid May,the fruit growth rate is slowing down,the stage of fruit diameter growth reached 6.2% ~ 12.5% of the time of picking;the third stage,in late May to early June,the fruit before.This stage of fruit diameter growth reached picking period of 14% ~ 35%,second growth peak,the rapid growth of the size of the transverse diameter,longitudinal diameter of fruit began to exceed,toward the developmental changes of flat oval,the volume further increased until maturity.3、The results showed that there were 12 European sweet cherry varieties average fruit weight in the range of 6g ~ 12 g,12 varieties of fruit longitudinal diameter of more than 2.2cm,the longitudinal diameter of more than 2.6cm,soluble solids were more than 16 brix,practical rates are above 93%.For the measurement of sweet cherry varieties,Rainier soluble solids reach 20 brix,the highest average fruit diameter and the largest,reached 2.725 cm and 3.008 cm respectively,the average weight of the sunburst the largest,reaching 12.457 g.Other such as Longguan,Summit,fruit shape indicators,quality and so on are excellent,it is recommended as a suitable variety of cherry cultivation in Shaanxi. |
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