Effect of intercropping system and nicotine insecticides yield increment on growth of papaya
1994
Manas Kumpukul (Maejo Institute of Agricultural Technology, Chiang Mai (Thailand). Faculty of Agriculture Production. Dept. of Horticulture)
Effect of chinese kale intercrop on growth of papaya at experiment plot of Horticulture Department, Kasetsart University Kamphangsean campvs Nakoanpathom, at 60 days did not show difference between broadcasted and transplanting methods of planting. At 90 days, however, broadcasted chinese kale caused slower growth of papaya than transplanting 43.85 and 60.14 cm height for effect of insecticides on yield increment was substantial. Nicotine was more effective in controlling insect pest resulting in highest yield. The degree of insect damage unclear the nicotine and chemical insecticide was 3.5, 4.2 percent in detering the damage caused by insect pests. Without and use of insecticide the damage could be as high as 31 percent.
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