Abstract

Unfruitfulness of the beans is a phenomenon of wide spread occurrence among our districts and has been intensively studied by a number of in-vestigators. the results of these experiments are not always in agreement, however.The writer has experimented to study the effect of temperature on the growth of the flower buds and blooming in the beans“Low's Champi-on”. The results were followed.The higher temperatuve (30°C) for a long time and the higher night temperature at the time before the stage of reduction division in pollen mother cells, extremely injured the differentiation and growth of flower buds, and most pollens of this imperfect flowers were abortive ones.The flower buds were favourably formed in the lower night temperature (15°C), the nodes for mation unfavourably.

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