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No.47 (2000/12) >

 
Title :ウコン (Curcuma spp.) 栽培における万田 31 号(自然発酵植物凝縮物)の施用法に関する研究
Title alternative :Studies on application methods of Manda 31 for Turmeric (Curcuma spp.) cultivation
Authors :ホサイン, アムザド
松浦, 新吾郎
仲村, 一郎
土井, 光弘
石嶺, 行男
Authors alternative :Hossain, Amzad
Matsuura, Singoro
Nakamura, Ichiro
Doi, Mitsuhiro
Ishimine, Yukio
Issue Date :1-Dec-2000
Abstract :植物生長調節剤の活性は,処理時期,処理部位,処理回数,および処理間隔などで,植物体の生長を大きく左右する。万田31号は天然発酵植物凝縮物で, ウコン(Curcuma spp.)の収量を増加させることを既に報告した。そこで,今回は1999年から翌年の2年間に亘り,琉球大学農学部附属農場のガラス室と圃場において,万田31号の最適な処理間隔の把握(試験1)と処理部位(茎葉処理,土壌処理および茎葉兼土壌処理の3条件)別のウコンの生長と収量に及ぼす影響(試験2)について検討した。まず試験1の結果より,万田31号の効果は7日∿30日の処理間隔に左右されず,ウコン茎葉部の生長促進と収量増をもたらすことが判明し(Table 1.),経済的な観点から30日間隔での処理が有効であることが示された。次に試験2の結果より,ウコン茎葉部の生長促進と収量増には茎葉兼土壌処理が最も有効で(Table 2.),万田31号の植物に対する吸収部位は茎葉および根であることが判明した。以上の結果より,万田31号の最適な処理間隔と処理方法が明らかとなり,今後継続して詳細な試験を行う予定である。
Activity of a plant growth regulator depends on its application timing, application site (leaf, flower, soil, etc.), number of applications and application interval. Manda 31 is a fermented natural plant concentrate, which improves turmeric yield. The experiments were conducted at the Agricultural Experiment Farm, Faculty of Agriculture, University of the Ryukyus, Japan in 1999-2000. Experiment I was conducted to determine proper application interval of Manda 31 for better economic benefit in turmeric. In the experiment II, Manda 31 was applied to leaf, soil or both leaf and soil to evaluate growth and yield of turmeric. Growth parameters, shoot biomass and yield (rhizome dry weight) of turmeric were significantly increased with Manda 31 applied at 7,10,15,20 or 30 day intervals as compared to control in both glasshouse and field experiments. Yield was not significantly different among the Manda 31 application intervals, which suggested that Manda 31 should be applied at 30 day intervals for better benefit in turmeric cultivation. Manda 31 applied to leaf, soil or both leaf and soil increased turmeric yield by 15,15 or 19%. Leaf and soil application of Manda 31 resulted in the highest yield, which indicated that Manda 31 is absorbed by plants through leaves and roots. This result suggested that Manda 31 can be applied to both leaf and soil for better yield of turmeric.
Type Local :紀要論文
ISSN :0370-4246
Publisher :琉球大学農学部
URI :http://hdl.handle.net/20.500.12000/3427
Citation :琉球大学農学部学術報告 = The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus no.47 p.137 -144
Appears in Collections:No.47 (2000/12)

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