The responses of Hongyang,Donghong and Jinhong varieties to temperature and precipitation were analyzed by observing the growth stages of different kiwifruit varieties in Longhe red cartridge kiwifruit base of Liuzhi ...The responses of Hongyang,Donghong and Jinhong varieties to temperature and precipitation were analyzed by observing the growth stages of different kiwifruit varieties in Longhe red cartridge kiwifruit base of Liuzhi Special Zone of Guizhou Province in 2021 and combining with the meteorological data of temperature and precipitation in the base in the same period.The results showed that Hongyang,Donghong and Jinhong all sprouted on February 1,and had the same response to temperature and precipitation.From germination to leaf spreading stage,Hongyang and Donghong had the same response to precipitation,while Donghong and Jinhong had the same response to temperature,but Jinhong needed 32.5 mm precipitation to meet its growth and development.From leaf spreading stage to budding stage,Hongyang and Donghong had similar responses to temperature and precipitation,while Jinhong needed average daily temperature of 16.5℃and precipitation of 2.1 mm.The responses of the three varieties from budding to flowering to temperature and precipitation were consistent.From flowering to fruiting,Hongyang needed 19.9℃temperature and the least precipitation,while Jinhong needed the lowest temperature and the maximum precipitation.Donghong's response to temperature and precipitation was between Hongyang and Jinhong.During the period from fruit setting to fruit ripening and picking,Hongyang needed the least temperature and precipitation,while Donghong and Jinhong had the same response to temperature and precipitation.In the key period of fruit expansion of the three kiwifruit varieties in 2021,temperature and precipitation were the most suitable for fruit expansion.In short,red cartridge kiwifruit has a good response to temperature and precipitation in different growth stages,and it requires 201 d for Hongyang variety from germination to maturity and picking,211 d for Donghong variety and 218 d for Jinhong variety.展开更多
Using the climatic data, such as extreme minimum temperature and relative humidity, in 15 bases in the main planting area of Guizhou Red Heart Kiwifruit from December 1st to next April 30th, respectively, from 2010 to...Using the climatic data, such as extreme minimum temperature and relative humidity, in 15 bases in the main planting area of Guizhou Red Heart Kiwifruit from December 1st to next April 30th, respectively, from 2010 to 2018, combined with the monitoring of red heart kiwifruit ulcer disease, we analyze the occurrence and prevalence of meteorological factors and dynamic characteristics of the red heart kiwifruit ulcer disease in Guizhou, China. The results showed that the main period of occurrence and prevalence of red heart kiwifruit ulcer was from March to April. In winter, when the daily average temperature of 5 d and above is ≤2°C, the daily extreme minimum temperature is ≤−2°C, and the daily average relative humidity is ≥75%, it is beneficial for the ulcer pathogen to lurk and propagate in the plant. It is suggested that this meteorological condition should be used as an early warning indicator for the prevention of ulcer disease of red heart kiwifruit, in order to actively organize prevention after the emergence of early warning indicators to improve the prevention and treatment effect. In spring, the average daily temperature of 5 d and above is ≤18°C, and the daily average relative humidity is ≥80%, which is easy to induce ulcer disease. It can be seen that the first is the winter climatic conditions to meet the breeding of ulcer disease, and then the spring climatic conditions must also meet the rapid propagation of ulcer disease, ulcer disease can occur, develop and popularize. It is of great practical significance to carry out experiments on the relationship between the occurrence of ulcer disease in Guizhou red heart kiwifruit and meteorological conditions.展开更多
[Objectives]The paper was to investigate and identify the fungal diseases of wild and red heart kiwifruit in Qiandongnan Prefecture.[Methods]The pathogenic fungi were isolated from diseased leaves and fruits of wild a...[Objectives]The paper was to investigate and identify the fungal diseases of wild and red heart kiwifruit in Qiandongnan Prefecture.[Methods]The pathogenic fungi were isolated from diseased leaves and fruits of wild and red heart kiwifruit by tissue separation method.DNA sequencing was carried out by using the sequence analysis of ribosomal r DNA-ITS region,and molecular evolutionary trees were built by using MEGA 4.0 software.Finally,the pathogenic fungi were classified and identified by combining morphological observation.[Results]The main fungal diseases were anthracnose caused by Colletotrichum gloeosporioides on wild kiwifruit,fruit anthracnose caused by C.acutatum on red heart kiwifruit,leaf soft rot caused by Fusarium incarnatum on red heart kiwifruit,and brown spot caused by Alternaria alternata on red heart kiwifruit.[Conclusions]The study may provide some theoretical basis for the control of kiwifruit diseases in Qiandongnan Prefecture.展开更多
基金Supported by Liupanshui Planned Project (52020-2021-01-03)Guizhou Provincial and Municipal Science and Technology Cooperation Project (52020-2015-01-02)Guizhou Science and Technology Planning Project (QKHNYZ[2012]3020)
文摘The responses of Hongyang,Donghong and Jinhong varieties to temperature and precipitation were analyzed by observing the growth stages of different kiwifruit varieties in Longhe red cartridge kiwifruit base of Liuzhi Special Zone of Guizhou Province in 2021 and combining with the meteorological data of temperature and precipitation in the base in the same period.The results showed that Hongyang,Donghong and Jinhong all sprouted on February 1,and had the same response to temperature and precipitation.From germination to leaf spreading stage,Hongyang and Donghong had the same response to precipitation,while Donghong and Jinhong had the same response to temperature,but Jinhong needed 32.5 mm precipitation to meet its growth and development.From leaf spreading stage to budding stage,Hongyang and Donghong had similar responses to temperature and precipitation,while Jinhong needed average daily temperature of 16.5℃and precipitation of 2.1 mm.The responses of the three varieties from budding to flowering to temperature and precipitation were consistent.From flowering to fruiting,Hongyang needed 19.9℃temperature and the least precipitation,while Jinhong needed the lowest temperature and the maximum precipitation.Donghong's response to temperature and precipitation was between Hongyang and Jinhong.During the period from fruit setting to fruit ripening and picking,Hongyang needed the least temperature and precipitation,while Donghong and Jinhong had the same response to temperature and precipitation.In the key period of fruit expansion of the three kiwifruit varieties in 2021,temperature and precipitation were the most suitable for fruit expansion.In short,red cartridge kiwifruit has a good response to temperature and precipitation in different growth stages,and it requires 201 d for Hongyang variety from germination to maturity and picking,211 d for Donghong variety and 218 d for Jinhong variety.
文摘Using the climatic data, such as extreme minimum temperature and relative humidity, in 15 bases in the main planting area of Guizhou Red Heart Kiwifruit from December 1st to next April 30th, respectively, from 2010 to 2018, combined with the monitoring of red heart kiwifruit ulcer disease, we analyze the occurrence and prevalence of meteorological factors and dynamic characteristics of the red heart kiwifruit ulcer disease in Guizhou, China. The results showed that the main period of occurrence and prevalence of red heart kiwifruit ulcer was from March to April. In winter, when the daily average temperature of 5 d and above is ≤2°C, the daily extreme minimum temperature is ≤−2°C, and the daily average relative humidity is ≥75%, it is beneficial for the ulcer pathogen to lurk and propagate in the plant. It is suggested that this meteorological condition should be used as an early warning indicator for the prevention of ulcer disease of red heart kiwifruit, in order to actively organize prevention after the emergence of early warning indicators to improve the prevention and treatment effect. In spring, the average daily temperature of 5 d and above is ≤18°C, and the daily average relative humidity is ≥80%, which is easy to induce ulcer disease. It can be seen that the first is the winter climatic conditions to meet the breeding of ulcer disease, and then the spring climatic conditions must also meet the rapid propagation of ulcer disease, ulcer disease can occur, develop and popularize. It is of great practical significance to carry out experiments on the relationship between the occurrence of ulcer disease in Guizhou red heart kiwifruit and meteorological conditions.
基金Supported by Identification and Control Analysis of Diseases and Insect Pests of Kiwifruit in Qiandongnan Prefecture(QKH H[2017]7178)Guizhou Key Laboratory of Qiandongnan Ethnic Characteristic Food Research and Development(QJH KY[2017]011)Talent Team Project of Guizhou Department of Education(QJHRCTD[2015]70)。
文摘[Objectives]The paper was to investigate and identify the fungal diseases of wild and red heart kiwifruit in Qiandongnan Prefecture.[Methods]The pathogenic fungi were isolated from diseased leaves and fruits of wild and red heart kiwifruit by tissue separation method.DNA sequencing was carried out by using the sequence analysis of ribosomal r DNA-ITS region,and molecular evolutionary trees were built by using MEGA 4.0 software.Finally,the pathogenic fungi were classified and identified by combining morphological observation.[Results]The main fungal diseases were anthracnose caused by Colletotrichum gloeosporioides on wild kiwifruit,fruit anthracnose caused by C.acutatum on red heart kiwifruit,leaf soft rot caused by Fusarium incarnatum on red heart kiwifruit,and brown spot caused by Alternaria alternata on red heart kiwifruit.[Conclusions]The study may provide some theoretical basis for the control of kiwifruit diseases in Qiandongnan Prefecture.
