نتایج جستجو برای: leaf nutrition

تعداد نتایج: 165401  

Journal: :Plant Methods 2021

Abstract Background Plant traits related to nutrition have an influential role in tree growth, production and nutrient cycling. Therefore, the breeding program should consider genetics of traits. However, measurement methods could seriously affect progress selection program. In this study, we tested ability spectroscopy quantify specific leaf including anthocyanins (ANTH), flavonoids (FLAV) nit...

Journal: :Public health nutrition 2008
John Waterlow

Madam, Public Health Nutrition is now established as an international journal, and you are to be congratulated for that. But as a regular reader I am disappointed and even somewhat dismayed to find so little coverage of undernutrition, as an issue that is at the heart of public health nutrition. My view, which may be unpopular, is that we who have lived on the fat of the land should face with r...

Journal: :علوم باغبانی ایران 0
محمد دیلمقانی حسنلویی کارشناس ارشد جهاد دانشگاهی واحد آذربایجان غربی سیاوش همتی عسگرآبادتپه کارشناس ارشد جهاد دانشگاهی واحد آذربایجان غربی حامد دولتی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان آذربایجان غربی ولی عاقلی مغانجوقی کارشناس ارشد جهاد دانشگاهی واحد آذربایجان غربی یوسف نیکخواهی دستجردی کارشناس ارشد جهاد دانشگاهی واحد آذربایجان غربی

vineyard management, plant nutrition, irrigation, genotype and pests and diseases are effective factors quantity and quality of crops. among mentioned factors, plant nutrition has more importance and nutrient imbalance in soil can affect crop quantity and quality. grape cluster necrosis at veraison time is important disorders in vineyard, because of lack of balance between potassium and magnesi...

Journal: :Plant physiology 1956
J E Leggett E Epstein

provements in the determination of iron by the Nitroso-R Salt Method. Ind. Eng. Chem., Anal. Ed. 16: 272. 1944. 25. SIDERIS, C. P. and YOUNG, H. Y. Effects of iron on chlorophyllous pigments, ascorbic acid, acidity and carbohydrates of Ananas comosus (L.) Merr. supplied with nitrate or ammonium salts. Plant Physiol. 19: 52-75. 1944. 26. SIDERIS, C. P. and YOUNG, H. Y. Effects of potassium on ch...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده علوم پایه 1392

چکیده: اسانس اندام هوایی دو گیاه onosma orientale و capparis spinosa بصورت جدا از هم (گل، برگ، ساقه) با استفاده از دستگاه کلونجر به روش تقطیر با آب استخراج نموده و ترکیبات موجود در اسانس ها شناسایی و مقدار آنها تعیین شده است. ترکیبات اصلی موجود در این دو گیاه شامل موارد زیر است. onosma orientale %stem %leaf %flower compound name n - 14.8 59.15 n-decane 1 23.28 24.51 7.91 alpha-eudesmol 2 ...

Journal: :Journal of photochemistry and photobiology. B, Biology 2014
Beatriz Dáder Dylan Gwynn-Jones Aránzazu Moreno Ana Winters Alberto Fereres

Ultraviolet (UV) radiation directly regulates a multitude of herbivore life processes, in addition to indirectly affecting insect success via changes in plant chemistry and morphogenesis. Here we looked at plant and insect (aphid and whitefly) exposure to supplemental UV-A radiation in the glasshouse environment and investigated effects on insect population growth. Glasshouse grown peppers and ...

محبوب خمامی, علی, محرم ممدُف, گوشگر ,

Nowadays, introduction of conversion technologies to solve environmental problems in accumulation of sugarcane bagasse, as an alternative to peat, in the ornamental plants industry seems necessary. For this purpose, in an experiment, the effects of substitution of sugarcane bagasse + cow manure vermicompost with peat in 60% peat + 30% vermiculite + 10% perlite medium were examined on growth and...

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