نتایج جستجو برای: vigour percentage
تعداد نتایج: 135824 فیلتر نتایج به سال:
Seed germination and seedling growth performance of Maesopsis eminii Terminalia catappa under different water soaking treatments were evaluated for 120 days nursery conditions. A total 1400 seeds pre-treated with hot (95oC) cold (ambient temperature) by 12, 24 48 hours a control no soaking. The sown directly into polythene pots filled uniform medium (top forest soil, sand clay soilmixed in rati...
Percentage error (relative to the observed value) is often felt to be more meaningful than the absolute error in isolation. The mean absolute percentage error (MAPE) is widely used in forecasting as a basis of comparison, and regression models can be fitted which minimize this criterion. Unfortunately, no formula exists for the coefficients, and models for a given data set may not be unique. We...
Seed ageing during storage is one of the main causes of reduction in seed quality and this results in loss of vigour and failure to thrive. Finding appropriate storage conditions to ameliorate deterioration due to ageing is, therefore, essential. Ultrastructural changes in cellular organelles during storage and seed germination rates are valuable indices of damage that occurs during seed ageing...
The two papers that inspire this comment piece appear at an interesting time in the study of power structures early middle ages. topic itself has seen renewed vigour among scholars throu...
The studies of induced mutation in Jatropha curcas were performed by exposing the healthy and dry seeds to gamma rays viz., 5, 10, 15, 20 and 25 Kr doses and ethyl methanesulphonate (EMS) viz., 1, 2, 3 and 4 %. The observations were made for seed germination percentage, growth and yield characters such as root length, shoot length, seedling length and vigour index, plant height, petiole length,...
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