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  • عملکرد دانه

Introduction Heat stress caused by climate change will become a restriction for maize production in the future (Cairns et al., 2013). Damage of heat stress is very strong when is occurred in a critical stages of plant growth (particularly in the flowering phase) (Teixeira et al., 2013). Non-coincidentally of flowering stage with high temperature can be reduced the negative effects of heat stre ...

SUBJECT: تغییر اقلیم; تعداد دانه; عملکرد دانه; agmip; تاریخ کاشت

Soybean is an annual self-fertilized crop, belonging to leguminous family and glycine genus, with 40 chromosomes. Soybean is the most important oil crop worldwide since the composition of oil and protein which plays a significant role in public health. Soybean seeds have an average of 40 percent protein and 20 percent oil. Iran import more than 90% of edible oil annually. With 50 hectares of l ...

SUBJECT: پروتئین دانه; تنش خشکی; محتوای روغن; سویا; عملکرد

Introduction Cumin of the apiaceae family is a annual plant with thin and aromatic branches that height is variable between 15 -50 cm that depending on the environmental conditions (Kaffi et al., 2002). Drought stress as a factor in reducing plant growth in many regions of the world is that seriously limit crop production and climate changes in the world, the situation is more serious (Anjum e ...

SUBJECT: پرولین; تشتک تبخیر; کلروفیل a; رنگیزه فتوسنتزی; عملکرد دانه

Introduction Drought stress is a major factor that reduces growth, development and production of plants especially in generative phase. Among crop plants, wheat (Triticum aestivum), which often experiences water-shortage conditions, is an appealing study system because there are so many natural genotypes differing in drought tolerance. Wheat as well as the most cereals is especially threatened ...

SUBJECT: رقم حساس به تنش خشکی; کلروفیل فلورسانس; عملکرد دانه; تبادلات گازی; رقم متحمل به تنش خشکی

Introduction Pulses in farming systems have a special role in the world. They use in some developing countries as a source of protein. Mung bean as a pulse crop has more protein than cereals and have important role in nutrition of low-income people in developing countries. Drought stress can reduce photosynthesis and production of mung bean. Nitrogen is an important factor for regulating of pl ...

SUBJECT: اجزای عملکرد; پروتئین; پتاسیم; عملکرد دانه

Introduction Plant oil is one of the basic human food needs. Due to the increasing population,increase the area under crop cultivation and enhance the performance of them is essential. Increase of oil yield is primarily associated with increase in seed yield. The importance of oil crops such as safflower has increased in recent years. Safflower has the special place in Iran because it shows hi ...

SUBJECT: محلول‌پاشی; عملکرد دانه; ژنوتیپ; نانو ذرات

Introduction Water stress is the most important non-disease stress with adverse effects on plant growth and yield. The inadequate emergence of seedlings and inappropriate establishment of the factors limiting the growth and yield of plants, especially in areas with low rainfall. Successful deployment of seedlings increases the competitiveness of crops against weeds and increases plant resistan ...

SUBJECT: جوانه‌زنی; zea mays; تعداد دانه; عملکرد

Introduction Selenium is an essential nutrient for organisms. Antioxidant characteristics of selenium have confirmed for human, animal and plants. Treatment of plant with selenium increased the amount of scavenging enzymes of hydrogen peroxide such as ascorbate peroxidase, glutathione peroxidase and antioxidant compounds of ascorbate, proline and glutathione. Selenium decreased the amount of h ...

SUBJECT: صفات زراعی; سلنیت سدیم; رقم آزاد; عملکرد دانه

Introduction Drought and nitrogen deficiency are major environmental factors limiting plant growth and selection of product types in many agricultural ecosystems limit. Drought stress and decreasing the nitrogen rate caused a significant decrease in the yield and yield components. According to some reports, the average wheat yield in the world is 30-60% of the yield, the main reason for which ...

SUBJECT: اجزای عملکرد; نیتروژن دانه و بقایا; تنش رطوبتی

Introduction Drought stress is a major cause of damage to crops throughout the world by reducing the yield by 50 percent. Drought stress when increases that the high evaporation capacity of leaves be higher than the ability of roots to absorb water from the soil. Considering that Iran is in the arid and semi-arid of world, at this areas there is a lot of rain fluctuations and there may be some ...

SUBJECT: دور آبیاری; وزن خشک بوته; عملکرد دانه