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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Factors Affecting Growth and Productivity of sorghum (Sorghum bicolor L) New Phenotype - barbarei - in South and West Darfur States, Sudan

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Author Kamal I. Adam, Ali H. Bahar, Adam A. Mohamed, Elagib F. Mohamed, Abdul-Motalib M. khatir, Siddig A. Mohamed Ali
ISSN 2225-7217
On Pages 598-603
Volume No. 3
Issue No. 6
Issue Date July 01, 2013
Publishing Date July 01, 2013
Keywords growth, productivity, sorghum, new phenotype, Sudan



Abstract

The study was carried out during 2005/2006 growing season to investigate the factors affecting growth and productivity of [Sorghum bicolor (L.) Moench] new phenotype locally named (barbarei).Questionnaires, field observations, personal communications, soil physical and chemical analysis were used for data collection. Results showed that barbarei crop was considered as a unique phenotype in comparison with other sorghum varieties that the crop produces flowers and grain only during the cool season (October –November).Results showed that the area cultivated by one farmer ranged between 3.3 - 10.9 feddans (1.386 - 4.578 hectare), the average area cultivated is 6.4 feddans / farmer, and the yield varies from 5.2 - 17.8 sacks/feddan (520 - 1780 kg) at barbarei production areas with average yield 11.2 sacks/feddan(1120kg). It was found that vegetables like cucurbits and okra, when intercropped with barbarei plants adversely affect their growth performance and yield. On the other hand, mixing of legumes with barbarei plants was found to increase their growth and final grain yield. Results of soil analysis showed that the soils of barbarei production areas ranged from sandy clay loam to sandy clay and clay soils at different depths and have high ability of water retention for a long time in root system zone. Soil reaction is slightly acid soil PH ranged between 7.09-5.66. Results showed that birds, locusts and aphids were known to be the major pests of the crop in the study area (93.8%, 89.4% and73.1 respectively). But with respect to seriousness of these pests, results revealed that birds and aphids comprise the more serious ones (68.1% and 63.1% respectively) in all areas studied except Fur-Barnga, in which locust was known to be the most serious pest. With regard to the time of infection, results showed that the majority of the pests and diseases infection happened at the middle of the season while the lowest infection was reported at early growing season which is different from the case in other crops where pests and disease infection was normally higher at early growing season. In term of diseases that affect barbarei, results showed that the smut diseases were the most prevalent and serious diseases of the crop. It could be concluded that barbarei planting should receive more attention in the present production areas (West and South Darfur States), beside other promoting areas in the country with similar environmental conditions.


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