He aha ke kumu o ka lau waina melemele?

1. Inā ʻeleʻele nā ​​lau i ka māla holoʻokoʻa, he phytotoxicity paha ia;(no ka nele i nā meaʻai a i ʻole nā ​​maʻi, ʻaʻole paha e hemo koke ka māla holoʻokoʻa).

 

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2. Inā he sporadic, he hapa o ka mea kanu e melemele ana a aia ke kaʻina hana, ʻaʻole paha ia i nā meaʻai, nā maʻi aʻa a i ʻole nā ​​maʻi lau.

3. Inā he ʻōmaʻomaʻo ka lau, akā melemele nā ​​aʻa, he hao a he magnesium paha.Hiki iā mākou ke hoʻomau i ka mahele.Inā melemele nā ​​lau kahiko a ʻaʻole melemele nā ​​lau hou, hiki ke ʻike ʻia he hemahema magnesium;inā ʻaʻole melemele nā ​​lau kahiko a melemele nā ​​lau hou, hiki ke ʻike ʻia he hemahema hao.

4. Inā melemele nā ​​aʻa o nā lau melemele a ʻōmaʻomaʻo nā aʻa, hiki ke ʻike ʻia he maʻi virus.

5. Inā loaʻa nā kiko melemele ma nā lau melemele, a ua necrosis mālie ka macula, hiki ke ʻike ʻia he maʻi fungal ma nā lau.

6. Inā maloʻo nā lau melemele ma ka lihi o ka lau ma mua, akā mau nā aʻa a me nā aʻa, hiki ke ʻike ʻia ʻo ia ka pōʻino o ke aʻa a i ʻole ka pōʻino fertilizer.

 

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Ka manawa hoʻouna: Dec-11-2020