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      • Open Access Article

        1 - Comparison and Classification of Lentil (Lens culinaris) Landraces under Drought Stress Conditions after Flowering
        V. Rashidi S. Chalabi Yani M. Sharifi N. Effatdust
        In order to compare and classify of 15Iranian lentil landraces under drought stress conditions after flowering, an experiment was carried out in split plot lay out based on randomized complete block design with four replications. It was performed at the Agricultural Res More
        In order to compare and classify of 15Iranian lentil landraces under drought stress conditions after flowering, an experiment was carried out in split plot lay out based on randomized complete block design with four replications. It was performed at the Agricultural Research Station of Islamic Azad University, Tabriz Branch, during the cropping year of 2011. The primary factor consisted of drought stress treatments at 2 levels (non stress and stress after flowering) and secondary factor of 15 lentil landraces. Analysis of variance indicated remarkable diversities among the landraces under study and significant differences for interaction of genotype by drought stress levels were obtained for most of the traits measured. Grain yield and number of grains per plant were highly influenced by drought stress. Mean comparisons also showed significant variations among the landraces for number of pods per plant, number of grains per plant, 100- grain weight, hecto liter weight, biological yield, grain yield and harvest index. Drought stress also reduced of plant height, number of pods per plant, number of seeds per plant, 100- seeds weight, hectoliter weight, biological yield, grain yield and harvest index of the lentil landraces under study. Correlation coefficients revealed that, number of seeds per plant and harvest index had significant and positive effect on seed yield under drought stress. Cluster analysis, based on the traits studied, divided the landraces into three groups. In this classification, the landraces of Kaleybar, Garadagh, Kharvana, Horand Danehriz and Shomale Varzegan were distinguished as superior landraces under drought conditions.   Manuscript profile
      • Open Access Article

        2 - Effects of magnetically - treated water on vegetative growth period, development of gynoecium and anther, and ultrastructure of pollen grains of lentil (Lens culinaris L.)
        nafise Azimi ahmad Majd taher Nejadsattari faezeh Ghanati sedigheh Arbabian
        Water is the most abundant component of plant cells and as a diamagnetic molecule can be affected by magnetic field. The present study was conducted in order to evaluate the effects of magneticallytreated water on speed of vegetative growth and stages of reproductive or More
        Water is the most abundant component of plant cells and as a diamagnetic molecule can be affected by magnetic field. The present study was conducted in order to evaluate the effects of magneticallytreated water on speed of vegetative growth and stages of reproductive organs development and Ultrastructure of Pollen grain of lentil (Lens culinaris L.). For this aim lentil seeds were cultured in green house and were irrigated either with tap water (control group), or magnetically-treated water (tap water which was passed through a magnetic field of 110 mT). Growth and development of male and female generative organs were studied via cytological and histological routine methods and the ultrastructure of pollen grains was studied by scanning electron microscopy. Results showed irrigation with magnetically-treated water increased the speed of lentil flowering. In developmental stages of anther and gynoecium showed no difference between control and treated plants. The apparent shape of the megaspor mother cell and egg cell, was the same in both groups. Lentil pollen grain is tricolpate with reticulate architecture. The decorations of pollen grains were thicker and wider in the plants irrigated with magnetically-treated water, compared to the control plants. Number of pollen grain had no difference between groups. Totally irrigation with magnetically-treated water increases the speed of flowering and thus reduces the growth period is in lentil. Therefore, irrigated with magneticallytreated water can be a big help to reduce the water used to irrigate the crops. Manuscript profile
      • Open Access Article

        3 - Path coefficient analysis of yield and yield components in promising lentil (Lens culinaris L.) genotypes under dry land conditions
        Shahram Azizi-Chakherchaman hosein mostafaee davod hasanpanah hamdollah kazemiarbat mehrdad yarniya
        An experiment was conducted to study relationships between grain yield with yield components, some physiological characters and determine the most effective characters on grain yield of 11 lentil varieties, one advanced line and one selected landrace genotype from Ardab More
        An experiment was conducted to study relationships between grain yield with yield components, some physiological characters and determine the most effective characters on grain yield of 11 lentil varieties, one advanced line and one selected landrace genotype from Ardabil region local population, under dry farming conditions in Agricultural and Natural Resources Research Station of Ardabil. Treatments were arranged in a randomized complete block design with 3 replications. Results showed significant variation among studied genotypes for all measured characters. Ggenotypes ILL 8095, ILL 9893 and ILL 6031 produced higher grain yield. Path analysis of characters showed that pod numbers per plant and 100 grain weight were the most important effective components on grain yield with direct effect of 2.055 and 1.182, respectively. Positive direct effect of harvest index and biological yield on grain yield were nonsignificant. The highest positive indirect effects of these traits on yield occurred through number of full pods and 100 grain weight. Direct effects of total pod numbers per plant, lateral branch numbers per plant and the days to maturity on yield were negative. Results of this investigation indicated that characteristics of full pod numbers, 100 grain weight, harvest index, number of grains per pod, early flowering and relative water content of leaves can be introduced as selection indices for improving lentil grain yield in dry farming conditions. Manuscript profile
      • Open Access Article

        4 - The effect of seed priming by salicylic acid and nano-iron chelate on germination and initial growth of lentil under salinity stress
        Hassan Nourafcan Masoumeh Shahmoradi
        To study the effect of seed priming by salicylic acid and nano-iron chelate on germination and initial growth of lentil under salinity stress, a factorial experiment was conducted based on completely randomized design with three replications. Treatments was contained pr More
        To study the effect of seed priming by salicylic acid and nano-iron chelate on germination and initial growth of lentil under salinity stress, a factorial experiment was conducted based on completely randomized design with three replications. Treatments was contained priming with salicylic acid and nano-iron chelate each with three levels (1000, 2000 and 3000 mg.L-1), hydropriming with distilled  water and control (non-priming) and four salinity levels (control, 1000, 2000 and 3000 mg.L-1). The results showed that seed priming by salicylic acid and nano-iron chelate had significant effect on germination percentage and rate, emergence percentage and rate, mean of germination and emergence time mean, plumule length, fresh and dry weight under salinity stress. The sodium chloride salt with 3000 mg.L-1 rate caused significant decrement in seedling germination and initial growth characteristics, comparing to control. In the present study, salicylic acid showed positive effect on germination and growth characteristics of lentil seedling under salinity stress with and without nano-iron chelate, so that germination and initial growth characteristics of lentil seedling were increased by application of salicylic acid in sole and under salinity stress, comparing to control. Therefore, applying seed priming by salicylic acid with 3000 mg.L-1 to improve germination and establishment of seedling with or without salinity stress condition is going to be recommended. Manuscript profile
      • Open Access Article

        5 - Effects of priming with micronutrients on seed reserve mobilization of lentil at different temperatures
        Ali Asghar Aliloo
        Crop yield in rain-fed regions is always affected by environment so that the instability of crop yield is considerably high in this condition. The study was carried out to evaluate effects of seed priming with Cu I, Zn II, K I, ZnSo4 on germination traits and seedling e More
        Crop yield in rain-fed regions is always affected by environment so that the instability of crop yield is considerably high in this condition. The study was carried out to evaluate effects of seed priming with Cu I, Zn II, K I, ZnSo4 on germination traits and seedling establishment at two temperatures of (10 °C and 20 °C). Results showed that seed priming influenced germination rate significantly and the primed seeds revealed higher germination rate than the unprimed seeds. The higher value was obtained by ZnSo4 treatment. However, germination percentage was not affected by priming treatments even though the priming slightly improved the value in comparison to control. Results also showed that the response of primed seeds to the low temperature was higher than in the high temperature. Remobilization of seed reserves was enhanced under priming treatments and the percentage of reserves depletion, conversion efficiency and total mobilized reserves were increased by seed treatments. It was concluded that not only the used compounds (particularly ZnSo4) can improve lentil establishment at early stages but also the compounds could be useful at bio-fortification programs at later stages. Manuscript profile