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Monday, September 15, 2014

Fruit flies damage guava more than tropical almond or mango -- African Crop Science Journal Vol.21 No.1

Today is the first in a series of posts on African Crop Science Journal. 

Featured today is vol.21 no.1, which includes "Assessment of Invasive Fruit Fly Infestation and Damage in Cabo Delgado Province, Northern Mozambique" by Jose et al. Fruit flies, common pests in households, are examined in this study, particularly the invasive fruit fly (Bactrocera invadens), which was first discovered in Africa in Kenya in 2003. The invasive fruit fly has been found in other countries, such as Mozambique, where it was discovered in 2007. This study aims to uncover the damage and infestation levels of the invasive fruit fly in Mozambique, where there is a lack of information and studies done on the subject. Different types of fruits were used in the study, and subsequently four species of fruit flies were found: Bactrocera invadens, Ceratitis rosa, Ceratitis cosyra and Ceratitis capitata, with Bactrocera invadens being the most commonly found species. Guava was the fruit that showed the highest amount of damage from fruit flies, followed by tropical almond and mango. The results also found that tropical almond had the highest amount of Bactrocera invadens per fruit and per kilogram.

This issue also includes "Energy use in citrus production of Mazandaran Province in Iran" by Zarini et al. This study aims to uncover how energy-efficient citrus production is in the Mazandaran Province in Iran by interviewing 155 farmers. The data collected from the interviews indicated that the total energy requirement in citrus production was 17,112.2 MJ ha-1, in which 36.3% of energy was consumed due to fertilizers, and 33.6% was consumed due to pesticides. The results also indicated that 12% of total energy output was renewable. Researchers concluded that the current citrus production system is inefficient and needs to improve energy consumption as well as adopt a plan to use renewable energy.

The abstracts for this issue can also be found in French. For these articles and other articles from this issue, click here.

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