“Tree mulberry- Sustainable and economically viable Sericultural farming for southern tropical zones”
Publication Date : 17/06/2018
Traditional paired row system of mulberry plantation raised in [(3’x2’)X5’] spacing accommodating 13,888 plants/hectare as low bush plantation resulted in practical problems viz. difficult to cultivate in limited water resource, prevents mechanization, inconvenient for cultural and intercultural operations, susceptible for drought stricken conditions, involves manpower drudgery and prevents silkworm rearing during summer period due to low and poor quality leaf production. Therefore, tree mulberry farming accommodating limited number of plants grown in wider spacing supplementing limited water, manure and fertilizer inputs with reduced manpower drudgery is gaining popularity among the Southern Tropical Zones. Keeping the above thrust area of research, efforts were made to develop suitable and sustainable tree mulberry farming technology for enhanced quality leaf production was attempted. It was noticed that tree mulberry raised in wider spacing (8’x3’) accommodating 4547 plants/ha yielded higher leaf (67,072kg/ha/yr) over the traditional paired row spacing [(3’x2’)x5’] with 13,888 plants/ha (60,144kg/ha/yr) followed by (8’x5’) spacing with 2728 plants/ha (51,174kg/ha/yr). However, 10’x10’ spacing with 1093 plants resulted in 70% reduction of leaf yield (21,084kg/ha/yr) indicating that economically not viable for the welfare and benefit of sericulturist. Other plant growth and leaf quality parameters also indicated the similar trend.
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