J Integr Plant Biol. ›› 1977, Vol. 19 ›› Issue (1): -.
• Research Articles •
We studied the growth, morphology and yield of wheat in relation to manuring and watering. The results obtained were as follows: 1. The bigonovs stage is the critical period for increasing spikelet number and effective tillers. 2. The floret differentiation stage is an important period for retaining flowers and increasing grain number. When bloret reached the stage of stigma differentiation, almost all of them could develop into fertile flowers, so that stigma differentiation was enhanced and its growth period was prolonged. Therefore the number of sterile florets was decreases. 3. It has been found that there is a cerrelation among the leaves, stems and spikes in gowth, According to the gross morphology, the stimulative effects of manuring and watering on the particular organs may be predicted. 4. At the shooting up stage in early spring, application of manure and water will promote the elongation of second and fourth leaves, first and second basal internodes. This is the most suitable time for raising effective tillers. But inappropriate application of them may cause lodging. 5. At the shooting stage, manuring and watering will promote the elongation of fourth internode and that below the spike. This measure can prevent florets from degeneration.
NULL. Organ Formation in Wheat in Relation to Manuring and Watering[J]. J Integr Plant Biol., 1977, 19(1): -.
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