نتایج جستجو برای: narrow leaf
تعداد نتایج: 141784 فیلتر نتایج به سال:
اثربخشی آموزش مهارت های دهلیزی بر عملکرد مهارت های حل مسئله دانش آموزان دبستانی دختر با مشکلات ریاضی
هدف:اثربخشی آموزش مهارت های دهلیزی بر عملکرد مهارت های حل مسئله دانش آموزان دختر با مشکلات ریاضیاست.روش: روش پژوهش از نوع شبه آزمایشی ودر این تحقیق عبارتست از کلیه دانش آموزان دختر7-8 ساله منطقه 14 شهر تهران در در طی 3 ماهه اول سال 1392که به دلیل مشکلات ریاضی که تعداد آنها 24نفر (12 نفر دختر دارای مشکلات ریاضی، 12 نفر گروه کنترل) بودند. نمونه گیری به روش هدفمند و از طریق تست کی مت(اختلال ریاضی...
YABBY and WUSCHEL-LIKE HOMEOBOX (WOX) genes have been shown to play important roles in lateral organ formation and meristem function. Here, we report the characterization of functional relationship between rice (Oryza sativa) YAB3 and WOX3 in rice leaf development. Rice YAB3 is closely related to maize (Zea mays) ZmYAB14 and Arabidopsis (Arabidopsis thaliana) FILAMENTOUS FLOWER (FIL), whereas r...
Acala cotton (Gossypium hirsutum, var. Maxxa) was planted into a split-plot factorial design field trial on the Shafter Research and Extension Center, Shafter, CA. The two main treatments were optimum irrigation (Io) and stressed irrigation (Is) containing five levels of soil nitrogen availability (-100, -50, optimum, +50, and +100 lbs N/ac). The objective of this field trial was to determine i...
Wide-narrow row maize planting patterns are a popular way to enhance yield via improving canopy PAR. To further optimize PAR, we designed an improved wide-narrow pattern (R2) based on the principle of shortest projection length and longest illumination objects ground. Compared traditional (R1), increased by about 10% in R2. R2 had higher leaf area index, chlorophyll content, photosynthetic rate...
A generation mean analysis was conducted to study genetic of yield and yield related traits of bread wheat in drought stress condition. In this research F1, F2, BC1 and BC2 generations were developed created using Kavir and Roushan as parents. The generations and parents were evaluated in a randomized complete block design with three replications and the traits including yield, flag leaf area, ...
combining ability, gene action, heritability and other genetic parameters in bread wheat under drought stress condition were evaluated using half diallel design. nine wheat cultivars and 36 derived f1 assessed in a randomized complete block design with three replications in shahid bahonar university of kerman research field in 2013. evaluated genotypes showed high diversity for all traits. gene...
general and specific combining ability of some rice lines and cultivars with irri sources were determined using the line × tester procedure (5 pure lines were crossed with 4 local cultivars as tester). parents and their progenies were planted in a randomized complete block design with three replications in the research field of iran rice research institute. traits such as yield and its componen...
Leaves are formed at the flanks of the shoot apical meristem (SAM) and develop into a variety of forms. In tomato, prolonged leaf patterning enables the elaboration of compound leaves by reiterative initiation of leaflets with lobed margins. In goblet (gob) loss-of-function mutants, primary leaflets are often fused, secondary leaflets and marginal serrations are absent, and SAMs often terminate...
The vascular tissues of plants are organized as strands of aligned cells in all the main organs. They differentiate from narrow, interconnected provascular cells, which are visible in the early leaf primordia of Arabidopsis thaliana in the top left panel. Plant hormones in the auxin class can induce the formation of additional vascular strands. Because auxins are produced in young leaves and th...
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