نتایج جستجو برای: bioregulators plant
تعداد نتایج: 395122 فیلتر نتایج به سال:
in a completely randomized design, the effect of the extract from trifolium alexandrium (0, 0.2 and 0.4%) on the germination, some morphological characteristics, photosynthetic pigments, and nutrients uptake of prosopis cineraria was evaluated. the highest germination rate and percentage (9.16 and 21%, respectively) were recorded in the 0.2% treatment. the maximum and minimum lengths of radicle...
this study is a survey type of work on the plant tumors and their characteristics in genera1; special attention is given to those tumors which are caused by grobacterium tumefactions and also by plant hormones. the type of work and the methods are very much similar to the work of other investigators, but attempt was made to compare the results which are obtained upon the local varieties of a la...
results based on the results, medicinal plant extracts have marvelous effects on dandruff removal with fewer side effects, though it takes long time to treat the mentioned concern. conclusions the results show that applying the combination of medicinal plant extracts and natural ingredients with chemical compounds in pharmaceutical industry can optimize treatment. objectives the aim of this res...
background: finding scientific data from the holy qur'an is an old trend, which emerge newly with rise of modern science. in the literature, we have found that total number of medicinal plants cited in the holy qur'an varies author to author. objective: the aim of this study was to indentify the plants mentioned in the holy qur'an and to confirm the botanical name with other relevant informatio...
چرای دامهای اهلی و خشکسالی در ایران، به عنوان مهمترین عوامل در تغییر و شکلگیری پوشش گیاهی مطرح هستند. عوامل زیستی و غیر زیستی باعث تغییرات قابل پیشبینی در صفات گیاهی در پیش- (plant functional types (pfts)) امتداد گرادیان محیطی میشوند. گروههای عملکردی گیاهی بینی تغییرات در فرایندهای اکوسیستم را مستقیماً از طریق تغییرات منعکس شده در ترکیب گونههای گیاهی در پاسخ به تغییرات محیطی امکانپذیر میکند....
in this research, the effect of using vermicompost on growth rate, fertility and characteristics oftomatoes has been studied. four vermicompost: soil mixture were supplied with ratios of 1:1, 1:2, 1:3, and 1:4 and also four different beds were provided. total of 24 small globe tomato plants were tested and in each bed combination, six tomato plants were embedded. rate of growth and yielding of ...
harvester ants are known as one of the most renowned bio-disturbances in the arid and semi-arid ecosystems that affecte vegetation by collecting seeds and harvesting plants. it seems that physiognomy of plant association in steppe shrub land of roodshoor, saveh, iran has been highly changed by harvester ants’ activities that caused to conduct this research. the study was carried out on active a...
objective: in order to use natural compounds in controlling plant pests and diseases, many researchers in recent years have studied the antifungal effects of essential oils and plant extracts. the purpose of this study was to investigate the chemical composition and antifungal effects of echium khuzestanium and marubbium anisodan extracts. methods: after extraction and preparation of different...
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