Tillering and carbohydrate content of orchardgrass as influenced by environmental factors
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1) Tillering and yield of orchardgrass were best under normal or rull light intensity. Reduced light intensity in Experiments I and IV lowered tillering by 73 and 26%, respectively. There was a marked increase in water soluble carbohydrates as light energy increased up to normal sunlight.
2) Tiller1ng and growth were very low at 50-60â . as compared with 70-80â night-day temperature. There was a sharp increase in water soluble carbohydrates of the stubble with the low as compared with the higher temperature. Carbohydrate accumulation was low at the high temperature due to the rapid growth and tillering.
- Doctoral Dissertations