Recurrent drought and late blight disease are the major factors limiting potato productivity in the northwest Ethiopian highlands. Incorporating drought tolerance and late blight resistance in the same genotypes will enable the development of cultivars with high and stable yield potential under erratic rainfall conditions. The objectives of this study were to assess combining ability effects an...

Leaf blight caused by Stemphylium solani is a major fungal disease of garlic (Allium sativum) in central China where it has caused severe crop losses during the winter growing season from the end of autumn to the middle of spring. Epidemiology, cultivar resistance, and chemical controls were investigated during the 2006 to 2008 growing seasons in Dangyang County to improve disease control metho...

Rhizoctonia sheath diseases of rice, comprising sheath blight, sheath spot and aggregate sheath spot, cause significant yield losses in many rice-growing regions of the world. The emergence of Rhizoctonia sheath diseases as economically important rice diseases is of recent date and has been attributed to the intensification of rice-cropping systems with the development of new short-stature, hig...

The oomycete Phytophthora infestans causes late blight of potato, which can completely destroy the crop. Therefore, for the past 160 years, late blight has been the most important potato disease worldwide. The identification of cultivars with high and durable field resistance to P. infestans is an objective of most potato breeding programs. This type of resistance is polygenic and therefore qua...

Fruit is an essential element of human life and a significant gain for the agriculture sector. Guava common fruit found in different countries. It considered fourth primary Pakistan. Several bacterial fungal diseases guava decrease production daily. Leaf Blight disease that affects growth fruit. Automatic detection leaf blight can help avoid decreases its production. In this research, we propos...

The process of identifying and analyzing proactive measures for the prevention urban blight is complicated by its complexity death data. Blight affects people’s lives in many ways, including economically, socially, psychologically, physically. phenomenon comprises factors, making appropriate identification eradication decisions that are challenging to analyze structure. This study took a constr...

fusarium graminearum is causal agent of economically catastrophic disease of cereal fusarium head blight (fhb) around the world. in addition to causing a loss of yield, this fungus causes serious threats to humans and animals due to the contamination of grain with the trichothecene mycotoxin. tri101 gene, a fusarium spp. gene, encodes an enzyme that transfers an acetyl group to the c3 hydroxyl ...

Fire blight, which is a major constraint to pome fruit production in many areas of the world, is most commonly initiated by epiphytic populations of Erwinia amylovora that develop on blossoms (1,26). Under relatively dry climatic conditions, bacteria colonize flower stigmas, and subsequent rain or heavy dew facilitates movement to the floral cup (hypanthium), where infection generally occurs (2...

The fire blight pathogen Erwinia amylovora can be considered a psychrotrophic bacterial species since it can grow at temperatures ranging from 4 °C to 37 °C, with an optimum of 28 °C. In many plant pathogens the expression of virulence determinants is restricted to a certain range of temperatures. In the case of E. amylovora, temperatures above 18 °C are required for blossom blight epidemics un...

Of the most important food legumes grown world over, chickpea (Cicer arietinum L.), lentil (Lens culinaris Medik.), faba bean (Vicia faba L.), grasspea (Lathyrus sativus L.) and field pea (Pisum sativum L.) are grown in cool season, while pigeonpea (Cajanus cajan (L.) Millsp.), blackgram (Vigna mungo (L.) Hepper), mungbean (V. radiata (L.) Wilczek), horsegram (Macrotyloma uniflorum (Lam.) Verdc...