نتایج جستجو برای: پرولین پنبه gossypium hirsutum l
تعداد نتایج: 623388 فیلتر نتایج به سال:
To investigate the effect of different levels of salinity on yield of three cultivars of cotton, an experiment was performed for two years (2008-2009) as split plot, based on randomized complete blocks design with four replications, at Rudasht Agricultural Research Station, Isfahan Province, Iran. To prepare the salinity levels, mixtures of well water, Zayandehrud river water and drainage water...
به منظور بررسی تاثیر شوری خاک بر برخی از ارقام گیاه پنبه و مشخص نمودن ارقام متحمل در استان گلستان (در ایستگاه تحقیقات انبارالعلوم) طی دو سال ۱۳۹۱ و ۱۳۹۲ آزمایشی به صورت فاکتوریل در قالب طرح بلوک‌های کامل تصادفی با سه تکرار انجام شد. دوازده ژنوتیپ مورد بررسی شامل: ساحل، گلستان، چکوروبا، سیلند، تابلادیلا، اوپال، ۴۳۲۰۰، سپید، سوپراکرا،Q28 ، HAR و شیرپان ۵۳۹ و شوری (NaCl) با هدایت‌الکتریکی ۱۶/۵ دسی...
Optimization of regeneration methods in cotton is necessary to improve and successful production of transgenic cotton cultivars by tissue culture techniques. Present study was conducted to determine the callus induction and plant regeneration of cotton genotypes through In vitro culture and this carried out using hypocotyl and cotyledon explants from 7-14 day-old. For callus induction the expla...
To study yield, yield component and some morphological traits in cotton, six parents with 15 hybrids (totally 21 genotypes) were evaluated using a randomized complete block design with three replications at a salty farm Bandar Torkaman area in 2005. Nine traits were measured including the percentage of germination, plant height, number of monopodial branches, length of monopodial branches, numb...
Quiescent cottonseeds stored in a dry, anaerobic situation for over a year have been shown to contain cells whose contents are ultrastructurally similar to those of normal, fully hydrated plant cells. Plastids, mitochondria, and nuclei of the cells of cotyledon tissue in dry seeds possess normal-looking double membranes even under conditions of extreme desiccation. Previous reports have indicat...
Cytosine methylation is important in the epigenetic regulation of gene expression and development in plants and has been implicated in silencing duplicate genes after polyploid formation in several plant groups. Relatively little information exists, however, on levels and patterns of methylation polymorphism (MP) at homologous loci within species. Here we explored the levels and patterns of met...
The growth regulator, PIX (mepiquat chloride l,l-dimethyl-piperdinium chloride), when applied to cotton (Gossypium hirsutum L.) and pecan (Carya illinoensis Koch), caused internode shortening. PIX did not elicit an increase in resistance in cotton to the tobacco budworm[Heliothis virescens (Fab.)], or in pecan to pecan scab (Cladosporium caryigenum (Ell. et Lang) Gottwald]. Also, changes in con...
In order to evaluate of distinctness, uniformity and stability (DUS) of morphological traits, three new genotypes of cotton (GT40, TBL60 and SKT134) were tested using a complete randomized blocks design with 4 replications. In general, 39 quantitative and qualitative morphological characteristics were measured. Results showed quantitative morphological characteristics including number of stem n...
Yield variability in cotton (Gossypium hirsutum L.) from year to year in different environments (geographical locations) is a major production problem for farmers (Oosterhuis, 00 ). Higher yields have been recorded in the drier environment of California, compared to the more humid environment of Arkansas. However, the effect of environmental factors, such as temperature, relative humidity, and ...
بهینهسازی روش های باززایی در پنبه با استفاده از تکنیک های کشت بافت در اصلاح و تولید موفق ارقام پنبه های تراریخت ضروری بهنظر می رسد. ریزنمونه های 14-7 روزه هیپوکوتیل و برگ لپهای 6 ژنوتیپ پنبه بهمنظور تحریک کالوس به مدت 10 هفته روی محیط کشت ms1 (محیط کشت ms حاوی ویتامینهای محیطb5 ) حاوی هورمونهای اکسین و سیتوکینین با استفاده از آزمایش فاکتوریل بر مبنای طرح کاملاً تصادفی با سه تکرار کشت شدند....
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