This paper presents a CNFET (Carbon Nano-tube FET) based MT (Multi-Threshold)-SRAM (Static Random Access Memory) design based on the leakage reduction mechanism. A multi-threshold logic is employed for reducing the leakage current during read/write operations. Here, the multi-threshold technique is used to insert the high threshold sleep control to the low threshold circuit. The insertion is performed in a serial manner. The high threshold transistors are very useful for deriving the low sub-threshold current. Meanwhile, the low threshold transistors are promising for improving the circuit performance. The high-low threshold transistor pairs are used to change the channel length by modifying the oxide thickness of the transistors. The overall implementation of the Multi-threshold-based SRAM cells are implemented with the help of CNFET in-order to avoid the short channel effect, mobility degradation which is occurred while considering the channel length below 32 nm in CMOS (Complementary Metal Oxide Semiconductor) devices. The paper clearly represents the performance improvement of the proposed SRAM cells with above-mentioned technologies.
Mungbean (Vigna radiata) is an important short-season legume widely cultivated in Asia, particularly India. It is highly susceptible to bruchids and developing bruchid resistance is an important goal in mungbean breeding programs. In the present study, 52 mungbean genotypes were evaluated for bruchid resistance based on the “no-choice test” and identified two highly resistant genotypes (V2802BG and V2709) with no adult emergence and seed damage. Further, these two resistant genotypes were crossed with six high-yielding bruchid susceptible cultivars (CO 5, CO 6, CO 7, CO 8, VBN 2, and VBN 3), and 12 independent F1 populations were generated. Of these, one population derived from CO 6 × V2802BG was selected (based on the good combining ability of the parents) and forwarded to later generations to trace the bruchid-resistant lines. A total of 159 F2:3 families were screened for bruchid resistance, and the results showed that seven families were highly resistant, whereas the remainder were resistant to highly susceptible. Further, those seven families were evaluated in F4 and F5 generations. As a result, five highly resistant lines (BSR-GG-1-49-3-1, BSR-GG-1-56-2-2, BSR-GG-1-160-5-3, BSR-GG-1-170-2-4, and BSR-GG-1-198-1-4) with good agronomic performances were identified. The newly developed lines could be tested in multi-location trials and then be utilized as a potential source of genetic material for improving the bruchid resistance in mungbean breeding programs.
Background: Soybean is important oil seed crop. Poor seed germination is a major constraint for increasing the productivity of soybean. Seed quality enhancement will enhance the germination. Treating the seeds with chemicals may cause harmful effects to ecosystems and also to human beings. Using botanicals for seed treatment is safe. The present study was taken with a view to assess the seed quality of soybean by using different botanicals treatments (ball milled and commercial grade) along with shaking and without shaking. Methods: Experiment was conducted to evaluate the effect of seed treatment with different ball milled botanicals and commercial grade along with shaking (60 min) and without shaking of soybean seeds on quality attributes. Botanical powders of fenugreek (Trigonella foenum-graecum L.) seed, leafs of ashwagandha (Withania somnifera), tea (Camellia sinensis) and noni (Morinda citrifolia) were ball milled for 1 h to bring into near nano size and treated with seeds @ 2 g kg-1 for 60 min. Without ball milling was served as commercial grade. Among these two methods (commercial grade and near nano size) highest values were observed in seeds treated with near nano size powder. Generally shaking of seeds with botanicals was performed better than without shaking. Result: In this experiment, botanical fenugreek seed powder perfrmed well. In interaction, soybean seeds treated with near nano size fenugreek seed powder @ 2 g kg-1 with shaking of 60 min showed highest seed quality parameters. The per cent increase over control for germination, shoot length, root length, dry matter production and vigour index were 17.8, 27.7, 43.9, 47.6 and 45.3%, respectively.
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