The effectiveness of the different treatments at planting was compared with a control that received an at-plant application of atrazine at 2.2 kg/ha. The control plots that received only atrazine at planting and metribuzin in the spring had 82% of the row tops covered with bermudagrass in late May in both years (Table 1). With one exception, all plantings followed by spring metribuzin treatments reduced bermudagrass cover on the ridge in the 1992/1993 experiment.
Follis Florida Sugar Cane League
In the area labeled A, the average incidence of mosaic in CP 72-2086 for four fields was 95%, while in five adjacent fields of the third grade of the same cultivar from another grower in the east, the incidence of mosaic averaged 21% (range 9 to 34%) (Figure 2). FOURTEEN YEARS OF PERFORMANCE IN THE EARLY SELECTION PHASE OF THE CANAL POINT SUGAR CANE CULTIVAR DEVELOPMENT PROGRAM. Tai et al: Fourteen years of performance in the early selection phase of the Canal Point Sugarcane Cultivar Development Program.
Mean b_
Mean b
Mean b
Nitrogen treatments included the use of recommended levels of 490 kg N/ha for plant cane and 530 N/ha for first ratoon crops. For example, alternate furrow irrigation at 14 days tends to have higher WUE due to the relatively low amount of water applied and the low net cane produced. As with the plant crops, year had no significant effect on any of the traits studied for the first ratoon crops.
LSD 5 %
Intercropping of sugarcane with potatoes and garlic has been investigated as a means of increasing land productivity in Egypt. Results indicated that intercropping two rows of garlic between sugarcane rows produced the maximum LER (Land Equivalent Ratio) and the lowest sugarcane aggressiveness value (Acane_crop). Abou-Salama et al.: Intercropping of autumn planted sugarcane with potatoes and garlic under middle Egypt conditions.
Under Egyptian conditions, intercropping of sugarcane was tested by Nour et al. 1979) who reported a slight decrease in sugarcane yield when mixed with lentils. -Gergawi and Abou-Salama (1994) also reported that intercropping of autumn planted sugarcane is more profitable than monoculture cane. The results of intercropping sugarcane with these two crops varied. 1990) evaluated intercropping potatoes in two row spacings.
Data for the LER intercropped plot show that intercropping two rows of garlic resulted in greater productivity and reduced competition with cane plants (Table 2). The return on money for planting potato cane in a hill spacing of 30 cm was slightly less than that of 20 cm spacing. Abou-Salama et a!.: Inter-cropping of autumn-planted sugarcane with potato and garlic under Middle Egyptian conditions.
Abou-Salama et al: Inter-cropping of autumn-sown su^rkan with potato and garlic under Middle Egyptian conditions.
E. Salassi
Department of Agricultural Economics and Agribusiness Louisiana Agricultural Experiment Station LSU Agricultural Center, Baton Rouge, LA 70803 W .
L. Hawkins Sugar Station
Seedlings were grown in the greenhouse in the fall of 1994 and transplanted to the field in April 1995. At first harvest, 18% of plants failed to regenerate shoots and 34% of remaining stems were symptomatic at harvest. The status of leaf burn in the Florida industry can be described as widespread, but rare.
Because of inconsistent disease expression, there have been no studies to document yield losses caused by leaf blight in the Florida environment. A field of commercial sugarcane was observed to have a severe leaf scorch epidemic in the fall of 1997. The presence of dextran in harvested cane and its subsequent formation in the plant presents a potential for significant sucrose loss.
At the rear of the factory, the low grades flowed normally with little effect on increasing viscosities (C. Bernhard, personal communication). At the end of the harvest, dextranase was fed into the "B" molasses to reduce the viscosity in the low grade pans. This optimization of the dextran use was based on the observation that cane left in the garden overnight deteriorated significantly.
Due to the high levels of dextran in the syrup, dextranase was added at 10 ppm/Brix.
Eggleston
10% color formation occurred in cold lime tanks due to alkaline degradation of invert. This major study could not have been carried out without the full cooperation and support of the staff of the two raw sugar factories. Accurate measurements of sucrose appear to be more difficult as deterioration of freeze-damaged cane becomes more severe.
The use of the HPLC technique can improve sucrose measurement and provide analysis of both glucose and fructose. The nutritional benefits of the diet could mask any resistance factors that express low to moderate activity on borer larvae. Of the borer damage traits, uprooted intemodes and moth production index showed the most potential for improvement through selection, closely followed by dropped intemodes.
The relationship of the damage variables to yield components was estimated using a model that accounted for the extent of genetic material in the study before fitting the damage variable as a covariate. The choice of parents and hybrid combinations affects the quality of the offspring from which individuals are selected. The postdictive method used one replication of the test data to predict the other replication.
The dextran concentration (ppm) of the juice obtained from the press was measured in two ways.
L. Hawkins Sugar Research Station
There were no significant yield differences between treatments in first stubble or second stubble crops. The amount of RSD dispersed in the plant-cane crop did not differ between the spring treatments. The incidence of RSD increased to 7% in the first ratoon crop, and again there was no difference in the amount of spread among the spring treatments.
The incidence of leaf burn increased during the experiment from 0.5% of plots with infected plants in cane cultivation to 11.5% in the first harvest and 32% in the second harvest. The incidence of leaf scorch was too low in the sugarcane crop to allow a comparison between treatments; The incidence of leaf burn was approximately 5% greater in the mown crops than in the treatments that were not mown in the second crop.
Carpramid remains in the soil profile for 30-45 days, provided it does not leach out due to complete saturation of the entire soil profile. This is the first report that Ad occurs naturally in sugarcane cultivars in the United States. Total emergence of itchgrass seedlings throughout the growing season was only stimulated by tillage in the second year.
Subsequent effects of treatments on johnsongrass infection and plant cane yield were evaluated.
P. Richard, Jr
No mosaic has been observed in the western part of the industry west of South Bay, although CP 72-2086 is also grown there. Accurate P fertilizer recommendations for sugarcane in the EAA are critical because these recommendations affect farmer profits and the ecological health of the Everglades. This paper will also provide a general overview of the technologies available to control carbon monoxide emissions.
During sugar production, a number of potentially valuable compounds are concentrated in the molasses and can be recovered from wastewater from the molasses desugaring plant. Based on the above equations, both the size of the column and the regeneration level would be calculated. When a paper is returned by reviewers, the technical editor evaluates the paper and the reviewers' recommendations.
Journal American Society of Sugar Cane Technoologists, Meets eligibility for review and may return the article to any reviewer for further review. The article registration form is completed and returned to the Editor-in-Chief, along with copies of the reviewers' statements and a copy of the Technical Editor's letter to the author. The article is then sent by the technical editor to the editor-in-chief, who notifies the authors of the acceptance of the article and of the likely publication dates.
RULES FOR THE PREPARATION OF PAPERS TO BE PRINTED IN THE JOURNAL OF THE AMERICAN SOCIETY OF SUGAR CANE TECHNOLOGISTS Format.
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