Biotic and abiotic stress effects the crop yield badly every year. In the abiotic factors the drought, heat and salinity are the major stress for crops which are cultivated in Pakistan. Cultivated area are decreasing rapidly because the construction of new buildings, towns and population food demand increasing. There is only one way to fulfill the requirements of population by development stress tolerance genotypes. Two different varieties of wheat (Triticum aestivum L. with AABBDD genome and 6x= 42) i.e. Faisalabad 2008 and Galaxy 2013 were used to evaluate the effect of halopriming along with hydropriming to observe germination parameters and early growth stages. The experiment was conducted in factorial structured treatments design with three replications at Department of Seed Science and Technology, University of Agriculture Faisalabad. For halopriming seeds were soaked in 0.5% KCl, 1% KCl, 1.5% KCl and in distilled water for 6-8 hours. The results showed that final emergence percentage of priming seeds with 1% KCl of Faisalabad 2008 had higher percentage of germination than other treatments. However, for time to start germination there was no difference among KCl priming and hydropriming for both the varieties. For mean germination time, priming seeds with 1.5% KCl of Faisalabad 2008 showed maximum time. Seeds priming with 1% KCl of Galaxy 2013 took maximum time to complete 50% germination (T50). Overall, Faisalabad 2008 priming with KCl proved best in most of parameters.
Legume crops are very important group of plants that belong to Fabaceae or leguminaceae family and are rich in different essential amino acids. These legumes prove to be the cheapest and most easily accessible source of required proteins. Humans need proper amount of proteins and essential amino acids that are crucial for the proper functioning of the body. In developed countries a large number of diverse diets including meat, fish, protein, drinks and food supplements are readily available but the developing countries having very small income per capita cannot afford all of these commodities. They fulfill their nutritional value by using legume crops. But in developing countries pulses face a number of biotic challenges. They have low production due to less improved varieties. Major damage to the pulse crops is due to the range of bacterial, fungal and viral diseases that drastically reduce the crop production per unit area. Major diseases of pulse crops include chickpea (Blight, Fusarium wilt, root rot), Green and Black gram (Leaf crinckle virus, Mung bean yellow mosaic virus, Mungbean phyllody disease, Cercospora leaf spot, Powdery Mildew), lentil (Ascochyta Blight, Stemphylium Blight, Anthracnose, Botrytis grey mold, Lentil Rust) and soya bean (Charcoal rot, White mold, Louisiana, Root rot, Septoria glycines, Sclerotium rolfsii, Black root rot). These diseases can be controlled by many physical as well as biological methods that have low cost of production and safe to environment. The detailed elaboration of major pulse diseases and their effective control methods have been summarized in this review paper.
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