지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Effect of three different herbicides and manual weeding on the growth of coconut seedlings was evaluated to determine the most economical and effective herbicide for controlling weeds in coconut nurseries in the intermediate zone of Sri Lanka. The treatments comprised; manual weeding (T₁), application of glyphosate at 1.44 kg ai ha<SUP>-1</SUP> (T₂), application of diuron at 3.20 kg ai ha<SUP>-1</SUP> (T₃) and application of oxyflurofen at 0.27 kg ai ha<SUP>-1</SUP> (T₄). All treatments were applied at three monthly intervals. According to the results, treatments T₂ and T₃ significantly reduced the weed biomass compared to those of other treatments and the weed seedlings emergence density was very low in diuron applied plots. The growth of coconut seedlings (in terms of girth) increased significantly (P<0.05) in T₃ at the and of nursery growht period. Treatment with glyphosate at 1.44 kg ai ha<SUP>-1</SUP> resulted in reduced growth of seedlings at the latter part of the experiment. The highest growth rate of coconut seedlings (girth) was observed in T₃ plots. The most effective and economically viable herbicides were the application of glyphosate at 1..44 kg ai ha<SUP>-1</SUP> and diuron at 3.20 kg ai ha<SUP>-1</SUP> for controlling weeds in coconut nurseries.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
CONCLUSION
REFERENCES
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