نتایج جستجو برای: root and crown rot
تعداد نتایج: 16853159 فیلتر نتایج به سال:
The root rots of wheat, oats, barley, and rye are among the least conspicuous diseases of cereals, but they are among the most destructive. They are caused by many species of fungi, which are widespread and live on or in seed, soil, and dead plant refuse. They attack a large number of hosts and thrive under a wide range of conditions. To the many types of root rots in cereal crops many names ha...
in order to detect hydrogen cyanide gene and to determine pseudomonas fluorescent efficiency in producing hydrogen cyanide for controlling the growth of rhizoctonia solanipathogen (the causal agent of sugar beet root and crown rot), samples were collected from sugar beet rhizosphere in sabzevar fields. after soil sampling and purification, 31 pseudomonas spp. isolates were separated on specific...
Rhizoctonia root and crown rot is an important disease problem in sugar beet caused by Rhizoctonia solani and also shown to be associated with Leuconostoc spp. Initial Leuconostoc studies were conducted with only a few isolates and the relationship of Leuconostoc with R. solani is poorly understood; therefore, a more thorough investigation was conducted. In total, 203 Leuconostoc isolates were ...
strawberry (fragaria × ananassa duchesne) is produced on 3500 ha in iran. during surveys on strawberry root and crown rot disease (february-april 2007), a fungus resemble macrophomina was isolated from crowns and roots of collapsed and dying strawberry plants which were collected from golestan, mazandaran and kordestan provinces of iran. to study rate of growth and cultural characteristic of is...
Plant growth promoting rhizobacteria (PGPR) are the rhizosphere bacteria that may be utilized to augment plant growth and suppress plant diseases. The objectives of this study were to identify and characterize PGPR indigenous to cucumber rhizosphere in Bangladesh, and to evaluate their ability to suppress Phytophthora crown rot in cucumber. A total of 66 isolates were isolated, out of which 10 ...
Reprogramming of Strawberry (Fragaria vesca) Root Transcriptome in Response to Phytophthora cactorum
Crown rot (Phytophthora cactorum) causes significant economic losses in strawberry production. The best control strategy would be to use resistant cultivars, but polygenically inherited resistance makes the breeding of the garden strawberry (Fragaria × ananassa) challenging. The diploid wild strawberry Fragaria vesca Hawaii 4 genotype was shown previously to have resistance against crown rot. T...
Distribution of Phytophthora species associated with stone fruits decline in Fars was investigated. Of 36 isolates of Phytophthora recovered, 23 were identified as P. cactorum (mostly from infected crown) from almond, apricot, and peach and 13 isolates of P. nicorianae from crown and basal stem of almond and apricot from different environmental conditions. The reactions of crown and root of 6- ...
Pythium and Phytophthora are among the most well-known plant pathogens around the world that cause rotting of seeds, root, and crown, seedling death, and soft rot of fruits in contact with the soil. In this research, 347 isolates of these two genera and their close genus, Phytopythium were isolated from the cucurbits fields in Kermanshah province, Iran and examined in...
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