A Study On The Growth And Yield Of Underplanted West Coast Tall Coconut Palms In Kerala
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1986
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A study on the growth and yield of West Coast Tall coconut palms underplanted early in a garden wherein the palms have not attained senility in Kerala has indicated that (1) there is a severe setback in the growth of the seedling after transplanting in the field and (2) the rate of growth of the stem of the under planted seedling is high, when compared to those of regular or newly planted ones: This is attributed to the combined effect of the transplanting shock as well as the shade and root effects of the young neighbouring palms in the garden. The set back in growth during the juvenile stage of the seedling and the prolonged vegetative phase of the palm lead to further delay in flowering and attaining the stabilised yield period. Under such underplanted conditions the palm attains yield stability in the 28th year after flowering and the yield of nuts also saems to be low. The study has indicated the need to avert the setbacks in growth by under planting at the proper time when the palms in the garden attain senility with proper spacing to avoid the shade and root effects of the neighbouring palms and by paying attention to other problems which require special consideration in underplanting. It is better to consider these problems when underplanting or replanting diseased palms under the Coconut Replanting Project in Kerala so that the planted seedlings may bear early and turn out to be more productive and maintain a high level of production in the subsequent period.
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Indian Coconut J. 1986 v-16 i-10 p-3-9