نتایج جستجو برای: grain germination and stem pruning
تعداد نتایج: 16905072 فیلتر نتایج به سال:
the effect of the filler content and the different type of wood flour on the mechanical properties of polyethylene- date palm wood flour (dpwf) composite which are gathered from date palm tree annual pruning was studied. the different types of dpwf were stem, leaf and the mixture of stem and leaf. composites were made at 45, 60 and 75 % by weight filler contents. the particle size was 25-40 mes...
The possible effects of seed priming on mitigating the effects of drought stress on germination and early seedling growth of two rangeland plants were evaluated in a laboratory research during 2015-16 growing season. The research was conducted as a 2×3×3 factorial experiment based on completely randomized design with three replications. The first factor was plant type (Festuca ovina and Bromus ...
Previous genetic studies have revealed that a pollen-specific calmodulin-binding protein, No Pollen Germination 1 (NPG1), is required for pollen germination. However, its mode of action is unknown. Here we report direct interaction of NPG1 with pectate lyase-like proteins (PLLs). A truncated form of AtNPG1 lacking the N-terminal tetratricopeptide repeat 1 (TPR1) failed to interact with PLLs, su...
In addition to seed quantity, study of seed quality of crop in conditions of competition could be profitable for seed procurement from field. For this purpose, produced seeds of four wheat cultivars (Sayson, Alvand, Chamran and Sepahan) in interference with deferent densities of feral rye (0, 20, 40, 60 and 80 plants m-2) were harvested. In laboratory, of each field unit, 50 number of wheat see...
Grain amaranthus in its ordinary state may be modified by germination to perform extraordinary role as emulsifier for our fastgrowing food industry with a concomitant increase in food production to satisfy the everincreasing population of the world with its associated food insecurity. Hence, this study aimed at determining the optimum germination temperature for the maximum improvement of the f...
Soil loss due to erosion is a common problem in most parts of Iran. Reduced soil organic matter and lack of proper agricultural management have intensified the problem in recent years. Conservation tillage systems are becoming more widely used in corn production in other parts of the world because of soil losses due to wind and water erosion and energy inputs. Changes in tillage methods, howeve...
The use of high yielding and resistant to drought stress cultivars in crops is one of the proper way to incorporation other water deficit management methods. This study in order to evaluate grain yield and morphological traits, an experiment was conducted with 100 genotypes of durum wheat which were planted based on lattice design with three replications under normal and drought stress conditio...
Sorghum (Sorghum bicolor (L.) Moench) pericarp pigments can affect grain quality. Pigments found in vegetative parts of the plant and in the peduncle and glumes of flowers (12,44) also may indirectly impact sorghum grain quality. Pigments associated with the “purple wound response” accumulate following mechanical injury, insect feeding, or pathogen invasion (22,31). Grain with nonpigmented peri...
The literature covering the biology, ecology, horticulture, and conservation of critically endangered tree Serianthes nelsonii Merr. was reviewed. roots, stems, leaves this charismatic legume revealed highly plastic traits responded positively to horticultural manipulations improve quality container-grown transplants. Pre-sowing seed treatments coat scarification 1 h imbibition generated 85% 90...
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