[Objective] This paper discussed the influences of surface drip irrigation on the growth, yield and quality of several new species of Guitang, in order to provide references for the promotion of new species and high-y...[Objective] This paper discussed the influences of surface drip irrigation on the growth, yield and quality of several new species of Guitang, in order to provide references for the promotion of new species and high-yield cultivation. [Method] One species is planted in each region, and there were two controls dripping technology or no-dripping technology in each region. [Results] The average yield of dripping-pro- cessed land was 115.91 t/hm2, which was 19.73 t/hm2 higher than the control. The maximum output was GT31, followed by GT34. The output of all Guitang new species was higher than the control ROC22. The average sucrose of dripped sug- arcane was 14.68%, which was 0.19% less than the control of 14.83%. The drip- ping technology was economically beneficial, rising by 15.2% compared with the control. The highest dripping efficiency was GT31, while the lowest one was ROC22. The increasing ratios of drip irrigation efficiency of the tested new Guitang species were higher than ROC22. [Conclusions] Under the drip irrigation condition, the sugarcane yield was extremely higher than the control of non-dripping irrigation, and the economic efficiency was significant. However, the sugar in the sugarcane declined slightly. The sensitivity of several new Guitang species to water was higher than the control ROC22.展开更多
Dextran in sugarcane production process is formed by Leuconostoc rnesenteroides. The content levels of dextran is related to sugarcane varieties, field condition （planting pattern, temperature, humidity, sunlight, so...Dextran in sugarcane production process is formed by Leuconostoc rnesenteroides. The content levels of dextran is related to sugarcane varieties, field condition （planting pattern, temperature, humidity, sunlight, soil, foreign material）, de- gree of injury （refractory cane, harvesting methods）, and can be rapidly and accu- rately measured by Dextran Immunonephelometric Test Kit. The presence of dextran indicates that sucrose has been lost, so sugarcane dextran is a direct and reliable indicator to measure sugarcane freshness and quality.展开更多
This study aims to provide information on the dissemination potentials of some sugarcane varieties in the main sugarcane producing regions of China through screening some newly bred sugarcane varieties. Nine sugarcane...This study aims to provide information on the dissemination potentials of some sugarcane varieties in the main sugarcane producing regions of China through screening some newly bred sugarcane varieties. Nine sugarcane varieties were chosen to study their agronomy and yield potentials in comparison with the control vari- ety Roc22. The agronomic characters studied were the sprouting rate, tillering rate, cane production, sugar content, chilling tolerance and sugar production per unit area. Results showed, compared with the control, YT55, Funong15, GT02-901 and YT00- 236 had higher sprouting rate. YT55 and YT00-236 showed higher tillering rate than Roc22. Four varieties, YT55, GT97-69, YT00-236 and Funong15, gave higher cane production than the control. GT02-901 and Y799-21 had the highest sugar content and YT55, Funong15, YT00-236 and GT97-69 produced more sugar per hectare. YZ99-91, YZ03-422, YT55 and YT00-236 showed improved chilling tolerance. It was concluded that YT00-236 and Funong15 are the top two sugarcane varieties with comprehensive advantages and could be widely disseminated through the main sugarcane producing regions in China.展开更多
The cultivar date Lemsi is well known in the coastal oasis of Tunisia for both its quality stage ＂blah＂ and its earliness. This variety is characterized by its astringent taste and has never been studied extensively...The cultivar date Lemsi is well known in the coastal oasis of Tunisia for both its quality stage ＂blah＂ and its earliness. This variety is characterized by its astringent taste and has never been studied extensively. An osmotic dehydration treatment is necessary to improve the quality of the final product for maintaining its integrity. Thus, it is a preservation technique that is often used as pretreatment to obtain partially dehydrated fruit. In this experimental study, the cultivar date Lemsi were cut into cubes of 1 cm3 and were immersed in sucrose solutions of 50%, 60% and 70% at 20℃ for 0-240 min. The moisture content, the solute gain, the water loss and the ratio WL/SG are determined and discussed. The results deduced from this work have showed that sugar gain SG, water loss WL and the ratio WL/SG are increased with concentration of osmotic solution. Likewise, the osmotic dehydration treatment need to be followed of a convective drying to ensure the quality of the final product.展开更多
基金Supported by National Sugarcane Industrial Technology System Guangxi Innovation Team Program(nycytxgx-cxtd-02)Guangxi Scientific Research and Technological Development Program(No.12118002-1)Basic Scientific and Research Program of Guangxi Agricultural Sciences(No.2012YZ23)~~
文摘[Objective] This paper discussed the influences of surface drip irrigation on the growth, yield and quality of several new species of Guitang, in order to provide references for the promotion of new species and high-yield cultivation. [Method] One species is planted in each region, and there were two controls dripping technology or no-dripping technology in each region. [Results] The average yield of dripping-pro- cessed land was 115.91 t/hm2, which was 19.73 t/hm2 higher than the control. The maximum output was GT31, followed by GT34. The output of all Guitang new species was higher than the control ROC22. The average sucrose of dripped sug- arcane was 14.68%, which was 0.19% less than the control of 14.83%. The drip- ping technology was economically beneficial, rising by 15.2% compared with the control. The highest dripping efficiency was GT31, while the lowest one was ROC22. The increasing ratios of drip irrigation efficiency of the tested new Guitang species were higher than ROC22. [Conclusions] Under the drip irrigation condition, the sugarcane yield was extremely higher than the control of non-dripping irrigation, and the economic efficiency was significant. However, the sugar in the sugarcane declined slightly. The sensitivity of several new Guitang species to water was higher than the control ROC22.
基金Supported by Special Fund for Construction Project of Bagui ScholarsSpecial Fund for Modern Agricultural Industry Technology System Construction(CARS-20-4-5)
文摘Dextran in sugarcane production process is formed by Leuconostoc rnesenteroides. The content levels of dextran is related to sugarcane varieties, field condition （planting pattern, temperature, humidity, sunlight, soil, foreign material）, de- gree of injury （refractory cane, harvesting methods）, and can be rapidly and accu- rately measured by Dextran Immunonephelometric Test Kit. The presence of dextran indicates that sucrose has been lost, so sugarcane dextran is a direct and reliable indicator to measure sugarcane freshness and quality.
基金Sponsored by the Industrial Technology Framework of Modern Agriculture in China~~
文摘This study aims to provide information on the dissemination potentials of some sugarcane varieties in the main sugarcane producing regions of China through screening some newly bred sugarcane varieties. Nine sugarcane varieties were chosen to study their agronomy and yield potentials in comparison with the control vari- ety Roc22. The agronomic characters studied were the sprouting rate, tillering rate, cane production, sugar content, chilling tolerance and sugar production per unit area. Results showed, compared with the control, YT55, Funong15, GT02-901 and YT00- 236 had higher sprouting rate. YT55 and YT00-236 showed higher tillering rate than Roc22. Four varieties, YT55, GT97-69, YT00-236 and Funong15, gave higher cane production than the control. GT02-901 and Y799-21 had the highest sugar content and YT55, Funong15, YT00-236 and GT97-69 produced more sugar per hectare. YZ99-91, YZ03-422, YT55 and YT00-236 showed improved chilling tolerance. It was concluded that YT00-236 and Funong15 are the top two sugarcane varieties with comprehensive advantages and could be widely disseminated through the main sugarcane producing regions in China.
文摘The cultivar date Lemsi is well known in the coastal oasis of Tunisia for both its quality stage ＂blah＂ and its earliness. This variety is characterized by its astringent taste and has never been studied extensively. An osmotic dehydration treatment is necessary to improve the quality of the final product for maintaining its integrity. Thus, it is a preservation technique that is often used as pretreatment to obtain partially dehydrated fruit. In this experimental study, the cultivar date Lemsi were cut into cubes of 1 cm3 and were immersed in sucrose solutions of 50%, 60% and 70% at 20℃ for 0-240 min. The moisture content, the solute gain, the water loss and the ratio WL/SG are determined and discussed. The results deduced from this work have showed that sugar gain SG, water loss WL and the ratio WL/SG are increased with concentration of osmotic solution. Likewise, the osmotic dehydration treatment need to be followed of a convective drying to ensure the quality of the final product.
