EFFECT OF THIOUREA AND ZINC ON PRODUCTIVITY OF PEARLMILLET

摘要

A field experiment consisting of seven treatments of thiourea (control, seed soaking in 500 ppm and 1000 ppm, foliar spray of 500 ppm, foliar spray of 1000 ppm, seed soaking + foliar spray of 500 ppm, seed soaking + foliar spray of 1000 ppm) and threelevels of zinc (0, 2.5, 5.0 kg ha~(-1)), making twenty one treatment combinations were tested in randomized block design with three replication. The seed soaking + foliar spray of 1000 ppm thiourea represented significantly higher plant height, number of tillers, dry matter, chlorophyll content of leaves, number of effective tillers, number and weight of grain per ear, length of ear head, grain (21.5 q ha~(-1)) and stover 37.4 q ha~(-1)) yields. The seed soaking + foliar spray (1000 ppm) also recordedthe highest net returns of Rs. 13234 and B.C. ratio (1.57) and proved superior to rest of the treatments. Application of zinc at 5.0 kg ha~(-1) brought about a significant improvement in plant height, tillers, dry matter accumulation and length of ear head over preceding level. The chlorophyll content of leaves, effective tillers, number and weight of grains per ear and test weight increased significantly upto 2.5 kg Zn ha~(-1). Whereas the grain (21.5 q ha~(-1)) and stover (37.9 q ha~(-1)) yields, netreturn (Rs. 13543 ha~(-1)) and B: C ratio (1.63) increased significantly upto 5 kg Zn ha~(-1).