Abstract
In plants, development, growth and yield most severely affected through saline soil/water in growth medium, ultimately cause severe threat to global food production for human being. Wheat (Triticum aestivum) is the most edible crop in Pakistan. Production of this crop can be improved through using marginal areas with the help of growing salt-tolerant varieties. The present investigation is carried out to screen out six local wheat varieties (F.Sarhad, Insaf, Lalma, Tatora, Bathoor and Barsat) with reference to their vegetative and reproductive growth, different physiological parameters [relative water content (RWC), electrolyte-leakage (EL) and leaf water loss (LWL)] and ionic status of plants. Present experiment designed in completely randomized manner (CRD) and 54 pots were arranged in the Botanical Garden, Department of Botany. These pots arranged in 6 lines with 9 pots/line and each line was irrigated with non-saline (control), 50 mM and 150 mM NaCl solution. The data from present research revealed that application of salt cause significant reduction in plant-height, root-length, fresh-biomass, dry-biomass, seed number/plant, seed weight/plant, spike-weight, relative water content, leaf water loss, and different ions of plants. Similarly at same applied doses of salt weight of 100 seeds, spike-length, electrolyte-leakage, Na+ and Cl- ions become increased. It has been concluded from the results of present study that varieties F. Sarhad, Insaf and Lalma exhibited more salt tolerance as compare to other varieties. So, these recommended for growing on moderately salt affected soil/water to achieve more yield of wheat from such affected lands of Khyber Pakhtunkhwa, Pakistan.
Highlights
Wheat (Triticum aestivum L.) regarded as a vital cereal crop worldwide and contributes as staple food for one-third of world population
The present investigation is carried out to screen out six local wheat varieties (F.Sarhad, Insaf, Lalma, Tatora, Bathoor and Barsat) with reference to their vegetative and reproductive growth, different physiological parameters [relative water content (RWC), electrolyte-leakage (EL) and leaf water loss (LWL)] and ionic status of plants
Present experiment designed in completely randomized manner (CRD) and 54 pots were arranged in the Botanical Garden, Department of Botany
Summary
Wheat (Triticum aestivum L.) regarded as a vital cereal crop worldwide and contributes as staple food for one-third of world population This plant functioned as important part of development of civilization and is a major source of food with dense and preferred grown and consumed in Pakistan. This plant contains 1.5-2% fat, 2-2.5% glucose, 60-80% proteins and 2-3% mineral content in it [1]. Different parts of this plant used medicinally as wheat-grass juice is considered as antioxidant and used to treat ulcerative-colitis, which is helpful for patients of breast cancer who received chemotherapy, as well as used for the treatment of other different health problems [2]. All wheat varieties (including bran and wheat-germ), provide protection against different diseases e.g. constipation, diabetes, obesity, heart-diseases, appendicitis and diverticulum [6]
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