Study on Law and Its Influence Factors of Three Main Jujube Diseases in South Xinjiang Under Dwarf and Close-Planting Managements(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Law and Its Influence Factors of Three Main Jujube Diseases in South Xinjiang Under Dwarf and Close-Planting Managements

Author(s):: ZHANG Dong-hai1; 2; LI Ke-fu2; ZHAO Si-feng1; (1.Key Laboratory at Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resource Utilization，College of Agriculture Shihezi University，Shihezi，Xinjiang 832003；2.Institute of Agriculture Science and Technology,Agriculture of Division No.3 of Xinjiang Production and Construction Group，Tumisuke，Xinjiang 843901)

Keywords:: jujube shrink disease; jujube black spot disease; jujube leaf spot disease; epidemic law; cropping patterns; variety

Abstract:: With the jujube shrink disease，jujube black spot and jujube leaf spot disease as the research object，the method of census and timing，fixed-point investigation were used to study the influence of different intercropping and variety to 3 diseases and the epidemic law of 3 diseases in South Xinjiang under dwarf and close-planting managements.The results showed that the occurrence of jujube shrink disease was in the middle of July，reached the peaks in mid to late August，then gradually reduced while fruit was mature.The occurrence of jujube black spot disease was in late August，the disease was aggravated gradually.The jujube leaf spot disease occured in early May，then the disease was aggravated gradually.The incidence of three main diseases would be aggravated under jujube-cotton intercropping and jujube-pepper intercropping system.The ‘Huizao’ had most disease-resistant to jujube shrink disease and jujube black spot disease，the ‘Junzao’ had poor resistant than ‘Huizao’，but ‘Zanhuangdazao’ had the worst resistant.The ‘Zanhuangdazao’ had the most disease-resistant to jujube leaf spot disease，the ‘Huizao’ had poor resistant than ‘Zanhuangdazao’，but ‘Junzao’ had theworst resistant.

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Last Update: 2015-03-03