Germination and growth of rough lemon (Citrus jambhiri Lush.) seedlings under protected environment
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Society for Promotion of Horticulture
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Production of disease-free plants is necessary for a healthy future for the citrus industry. Therefore, a study wasdesigned to compare growth of direct-sown and transplanted rough lemon seedlings under controlled conditions.Rough lemon rootstock seedlings were grown under screen-house, shade-net house, glasshouse, and open fieldconditions. Seeds were planted in seed beds, propagation trays and black polythene bags. Germination was significantlyhigher (94.30%) in propagation trays under shade-net house except that in screen-house. Minimum germination(62.45%) was recorded in open-field seed-beds. Seedling height, stem diameter, leaf number and leaf area was foundto be maximum (i.e., 55.26cm, 0.63cm, 33.43 and 24.75cm2 respectively) in direct-sown seeds in polybags underscreen-house which were transferred to glasshouse during winter. Minimum values observed were 41.33cm, 0.44cm,18.29 and 15.47cm2, respectively, in conventionally raised seedlings. On the basis of our study, it is concluded thatrough lemon nursery is best raised in polybags under screen-house or glasshouse conditions.
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