نتایج جستجو برای: vegetative stage
تعداد نتایج: 368895 فیلتر نتایج به سال:
Green semilooper, Naranga aenescens Moore (Lepidoptera: Noctuidae) is a major pest in paddy fields of northern Iran. Since plant resistance to pests is a method with high efficacy and safety, a research was conducted to evaluate the resistance of 12 rice varieties (including, Tarom, Shafagh, Hybrid, Khazar, Poya, Fajr, Kados, Shiroodi, Sahel, Tabesh, Nemat and Neda) to N. aenescens on the basis...
Phenology is a broad science topic of Ecology. Study of phenology for regulating of animal grazing programs and determining of palatability and nutritive value of plant species at different stages of vital in range is important. This study was carried out to determine the chemical composition and nutritive value of Salsola vermicolata and Suaeda fruticosa that are halophyte plants, in three phe...
Background: The leaves, roots and seeds of Lovage (Levisticum officinale Koch) being used as an herb, vegetable and spice. Objective: The aim of this study is evaluation of the changes of phytochemical compound in aerial parts of the Lovage plants at different developmental stages as well as antioxidant activity. Methods: The plants were harvested from Hezar Mountain. After drying, essent...
Nickel (Ni) is necessary for plants at low concentrations but excess Ni has toxic effects on plant growth. In this research, the effects of different Ni levels (0, 50, 100 and 200 µM from NiCl2) on leaf antioxidative response of two cucumber cultivars (Cucumis sativus L. cvs. Super Dominus and Negin) supplied with NH4NO3 as nitrogen source in nutrient solution was investigated. The results show...
Range forage of Vicia variabilis, Astragalus spp., Medicago sativa, Prangos uloptera and Sanguisorba minor was sampled during three phenological stages from the controlled rangeland stations in Chaharmahal and Bakhtiari province, Iran. Samples were analyzed for the determination of Crude Protein (CP%), Ether Extract (EE), Crude Fiber (CF), total Ash, Neutral Detergent Fiber (NDF), Acid Detergen...
In order to study the effects of salinity on germination, vegetative growth and some physiological characteristics of canola cultivars, two experiments were conducted at Research Station of Agricultural College of University of Kerman in 2004. The experimental design was a Completely Randomized Block with four replications. Treatments comprised all combinations of different levels of three fact...
Twenty five Sri Lankan modern rice cultivars were screened for submergence tolerance at seedling and vegetative stages. An experiment was carried out at the Faculty of Agriculture, University of Ruhuna, Mapalana, Kamburupitiya, Sri Lanka during May to September, 2011 according to the randomized complete block design (RCBD) with 4 replicates and each replicate contained 20 plants to evaluate sub...
In order to study the effects of salinity on germination, vegetative growth and some physiological characteristics of canola cultivars, two experiments were conducted at Research Station of Agricultural College of University of Kerman in 2004. The experimental design was a Completely Randomized Block with four replications. Treatments comprised all combinations of different levels of three fact...
range forage of vicia variabilis, astragalus spp., medicago sativa, prangos uloptera and sanguisorba minor was sampled during three phenological stages from the controlled rangeland stations in chaharmahal and bakhtiari province, iran. samples were analyzed for the determination of crude protein (cp%), ether extract (ee), crude fiber (cf), total ash, neutral detergent fiber (ndf), acid detergen...
Knowledge concerning some physiological and biochemical basis of flowering process is essential for achieving higher yield and quality of saffron. This study aimed to elucidate the relation between flower mass ratio and a rough content of carbohydrate, starch and protein of plants do produce flower and non-blooming saffron at flowering stage, affecting on flower development and to determine mas...
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