Combined Application of Boron and Zinc Improves Seed and Oil Yields and Oil Quality of Oilseed Rape (Brassica napus L.)

Oilseed crops require several micronutrients to support their physiological functions and reproductive phases. A deficiency of these nutrients can significantly reduce the yield oil quality oilseed crops. Soil application improve plant growth, yield, quality. rape (Brassica napus L.) is an important crop that produces with low levels saturated fat high beneficial omega-3 fatty acids, which renders it a widely used cooking oil. However, are affected by boron (B) zinc (Zn). This two-year field study determined influence sole combined soil B Zn on attributes plants, seed yields, under semiarid climatic conditions. Nine different Z combinations, i.e., B0 + Zn0 (control), Zn8, Zn10, B1 Zn0, B2 Zn10 (kg ha−1), were included in study. Sole altered attributes, The highest values for height, number siliques per plant, seeds silique, 1000-seed weight, (higher stearic acid, palmitic oleic linoleic linolenic lower erucic acid), traits (protein concentration, soluble sugar chlorophyll photosynthesis transpiration rates, stomatal conductance) recorded 2 8 kg ha−1 Zn, respectively, during both years this lowest yield- oil-quality-related control treatment. dose-dependent improvement was contents leaves, 10 respectively. It be concluded should applied higher yields better