May 2009
Natural incidence and infectivity level of three nepoviruses in ornamental crops in Iran
Damage to ornamental crops by nepoviruses has occurred sporadically in Iran in the past. However, since 2006, outbreaks of nepoviruses have been recorded every year. The most affected ornamental crops were surveyed in two main cultivation areas in provinces of Markazi (Mahallat) and Tehran in 2006 - 2007. In all, 420 samples (with or without any conspicuous virus symptoms) were collected and analyzed by...
May 2009
The effect of fosetyl-Al application on stomata in tomato (Lycopersicon esculentum Mill.) plant
In this study, a fungicide namely Aliette WG 800 (80% Fosetyl-Al) was pulverized on tomato (Lycopersicon esculentum Mill.) grown under greenhouse conditions and the likely effects of this fungicide on stomata of tomato were examined. Applications of Fosetyl-Al were carried out at recommended dosage (200 g/100 L water) as given on the label and two fold higher (400 g/100 L water) dosages. The fungicide...
May 2009
Status of macadamia production in Kenya and the potential of biotechnology in enhancing its genetic improvement
Macadamia (Macadamia spp.) is considered the world’s finest dessert nut because of its delicate taste and numerous health benefits. It is grown in Kenya both as a cash crop and foreign exchange earner with Kenya producing about 10% of the world’s total production. Macadamia has great potential for poverty reduction due to the high value of its products and its low requirement for external...
May 2009
Grain filling rate is limited by insufficient sugar supply in the large-grain wheat cultivar
Wheat grain yield can be limited by source, sink or by both. Inconsistency of the previous results reflects the interactions between genotypes and environments. In north China where the hot, dry wind was frequent during grain filling, new winter wheat cultivars with large grains suffer from loss of grain weight quite often because the grain filling rate (GFR) is low. In the present study, the carbohydrate...
May 2009
Indigenous pest and disease management practices in traditional farming systems in north east India. A review
Traditional farming system is an ecologically based age-old farming system developed by ancient farmers through generations of their interaction with nature and natural resources for food, fodder and fiber. Indigenous knowledge is the knowledge of the indigenous people inhabiting different geographical regions of the world with their own language, culture, tradition, belief, folklore, rites and rituals. This...
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