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The effect of Banana streak virus on the growth and yield of dessert bananas in tropical Australia

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Daniells, J. W., Geering, A. D. W., Bryde, N. J. and Thomas, J. E. (2001) The effect of Banana streak virus on the growth and yield of dessert bananas in tropical Australia. Annals of Applied Biology, 139 (1). pp. 51-60.

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Article Link: http://doi.org/10.1111/j.1744-7348.2001.tb00130.x

Publisher URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.2001.tb00130.x/abstract


We have examined the effect of a strain of Banana streak virus (BSV-Cav) on the growth and yield of dessert bananas (Musa AAA group, Cavendish subgroup cv. Williams) in north Queensland, Australia. Healthy and infected plants were compared in a replicated field experiment over plant and first ratoon crops. In both crops, symptom expression followed a similar pattern, increasing to a maximum near the estimated time of bunch initiation, then decreasing in the period prior to bunch emergence. There was no evidence of plant-to-plant spread of virus, but the rate of transmission through suckers was 100%. In the plant crop, the mean bunch weights of healthy and infected plants were not significantly different. However, BSV-Cav infection resulted in an 18 day delay in harvest, causing a 6% reduction in yield per annum. In the ratoon crop, the mean bunch weight of infected plants was 7% less than that of healthy plants, and the interval between the harvest of plant and ratoon crops was delayed by 9 days, resulting in a 11% reduction in yield per annum. Also, the mean length of fruit from infected plants was 5% less than that of healthy plants, resulting in a smaller percentage of fruit in the extra large size category. We conclude that in horticulturally favourable conditions typical of the tropical Australian banana industry, the effects of BSV-Cav infection on the growth and yield of Cavendish bananas are small. [References: 21]

Item Type:Article
Keywords:Musa Cavendish banana Bsv Badnavirus Symptoms Elisa Economic impact. Symptom expression Musa spp. Reliability Plantain. Agriculture/Agronomy in Current Contents(R)/Agricultural, Biology & Environmental Sciences.
Subjects:Plant culture > Fruit and fruit culture > Culture of individual fruits or types of fruit > Bananas
Plant pests and diseases
Live Archive:11 Jul 2017 02:58
Last Modified:03 Sep 2021 16:51

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