نتایج جستجو برای: قارچ gnomonia leptostyla
تعداد نتایج: 7112 فیلتر نتایج به سال:
The fungus Gnomonia comari, causal agent of strawberry leaf blotch, was inoculated at the crown of young axenized strawberry plants growing in sterilized sand. Only the roots were colonized, and the infection was symptomless. When the fungus colonized the roots in the presence of the root lesion nematode Pratylenchus penetrans, the plants were extremely stunted and their root system was necroti...
This paper presents new records and noteworthy data on the following taxa in SE Europe adjacent regions: brown alga Heribaudiella fluviatilis, red Batrachospermum skujae, saprotrophic fungus Gnomonia geranii-macrorrhizi, mycorrhizal fungi Amanita alseides Russula griseascens, liverwort Ricciocarpos natans, moss Blindia acuta, Leucodon sciuroides var. morensis Pseudostereodon procerrimus, monoco...
Although self incompatibility in walnut has not been reported, but the dicogamy limits self pollination of walnut cultivars. As the density of female flowers produced by the tree is low, if a high fruit set occurs, yield especially in terminal bearing cultivars will not be high. So breeding of a pollinizer cultivar with proper pollen shading period is highly necessary for increasing fruit produ...
most of walnut production in iran comes from seed originated trees with low quality and quantity as product. for breeding new cultivar(s), from 1983 selection of iranian walnut germplasm was started at seed and plant improvement institute and at the first phase 117 genotypes were collected. seedlings of these genotypes were planted in kamalshahr (karaj), torogh, kahriz and bastam horticultural ...
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