Ua wānana kekahi mau keʻena o ka honua i ka hiki ʻana o ka ʻino a me ka pōʻino a puni ka honua i nā mahina i hala iho nei.

ʻO ka makahiki wela loa ma ka moʻolelo ʻo 2015-2016, i ka wā i ʻike ai ka honua i kahi El Nino 21 mau mahina, e like me ka hōʻike i hoʻokuʻu ʻia e ka World Meteorological Organization i Mei.

I ka hopena o Iune, ua hōʻike ka puke moʻolelo Nature inā he koʻikoʻi ʻo El Nino, hiki iā ia ke hoʻokau i nā wela o ka honua e hoʻopaʻa a i ʻole kokoke i nā kiʻekiʻe kiʻekiʻe ma 2024.

Ma Iulai 4, ua hoʻoholo ka World Meteorological Organization i ka El Nino hanana mua ma ka Moana Pākīpika i loko o ʻehiku mau makahiki, a e loaʻa i ka honua ka pōʻino a me ke ʻano o ke aniau.

ʻO kekahi mau lāʻau lapaʻau e hōʻeha i ka wela kiʻekiʻe ma muli o nā kumu ʻelua:

ʻO ka mea mua, pili ia i ke ʻano o ka lāʻau

ʻO nā pesticides inorganic a me ka wai-soluble, permeable pesticides, e like me ke keleawe sulfate, ka pauka sulfur, ka hui ʻana o ka sulfur pōhaku, hoʻohana ʻia i nā wela kiʻekiʻe, he mea maʻalahi loa ia e hōʻino i ka lāʻau lapaʻau i nā mea kanu, no ka mea, e hoʻololi ke ʻano o ka hoʻokumu ʻana o ka hui kemika ma hope o kahi kekahi mahana, ka hopena o ka pōʻino lāʻau.

ʻO ka lua, pili ia i ke kū'ē i ka hua

ʻOi aku ka ikaika o ke kūʻē ʻana i ka lāʻau o nā mea kanu lau ʻili e like me Buxus macrophylla, a ʻoi aku ka nāwaliwali o ke kūʻē ʻana i ka lāʻau o nā mea kanu me ka cuticle lahilahi, a ʻoi aku ka maʻalahi o ka hana ʻana i ka lāʻau hōʻino ke hoʻohana ʻia i ka wā wela.

1. Abamectin

ʻO ka Abamectin kahi lāʻau inika e pepehi ai i nā pepeke, nā mite a me nā nematodes, a hiki ke hoʻohana ʻia no ka mālama ʻana i nā pests ma nā ʻano mea kanu. Hiki iā ia i nā hopena maikaʻi loa i ka wā 20 ℃, akā pono e hoʻolohe i ke kiʻekiʻe o ka mahana, ʻoi aku ka 38 ℃ ma luna o ka manawa o ka hoʻohana ʻana, maʻalahi ka hopena i ka pōʻino lāʻau, nā lau deformity, nā kiko, ke ʻano o ka hoʻōki ʻana i ka ulu. .

2.Pyraclostrobin

ʻO Pyraclostrobin kahi fungicide ākea ākea, me nā hopena therapeutic a me ka pale. Aia paha ka pō'ino o ka lā'au ke ho'ohana i ka mana'o ki'eki'e.

3.Nitenpyram

Hoʻohana nui ʻia ʻo Nitenpyram no ka hoʻomalu ʻana i nā pepeke stinging a maʻalahi hoʻi e hōʻino i ka lāʻau lapaʻau i ke kiʻekiʻe wela, no laila pono e pale ʻia. A ʻoi aku ka maikaʻi o ka pīpī ʻana i ka mahana ma lalo o 30 ° C i ʻole e hoʻopau ʻia ka lau a me nā mea ʻē aʻe.

4.Chlorfenapyr

ʻO Chlorfenapyr kahi lāʻau lāʻau lapaʻau ākea ākea, ʻoi aku ka kūʻē ʻana i nā pepeke makua o ka lepidoptera (rapeseed, beet moth, etc.). ʻO Chlorfenapyr, ka mahana kūpono e pili ana i 20-30 degere, ka hopena maikaʻi loa. Eia naʻe, hiki i ka hoʻohana ʻana i ka Chlorfenapyr i nā wela kiʻekiʻe ke kumu i ka ʻā ʻana o ka lau; ʻOi aku ka nui o nā lau ʻoluʻolu ma luna o ka lāʻau hōʻino.

5. Fluazinam

Hiki iā Fluazinam ke pale i ka ma'i pehu nui a me ka po'o hina, a hiki ke pale aku i nā pest mite, e like me ka citrus red spider (makua, hua manu), a 'oi aku ka maika'i o ka hopena. E hoʻonui ka Fluazinam i ka hopena o ka pōʻino o ka lāʻau i ka wā e hoʻohana ʻia ai i ka wela kiʻekiʻe, no ka mea kiʻekiʻe loa ka hana a Fluazinam. Hiki i ka lāʻau lapaʻau kiʻekiʻe ke hoʻoikaika i ka hoʻoheheʻe ʻana o ka wai, e like me ka hoʻonui ʻana i ka ʻike o ka lāʻau lapaʻau wai.

6.Propargite

Aia ka Propargite i ka acaricide toxic haʻahaʻa, me ka hoʻopili ʻana a me ka ʻōpū o ka ʻōpū, a me ka conduction osmotic. Hiki iā ia ke pale maikaʻi i nā iniseti ma luna o 20 ℃ ʻoiai maʻalahi ka hua kanu e hoʻopuka i ka maʻi sunburn ma luna o 25 ℃.

7.Diafenthiuron

ʻO Diafenthiuron kahi ʻano hou o ka thiourea insecticide, acaricide, a he hopena koʻikoʻi o ka pepehi ʻana i nā hua. I ka wā wela kiʻekiʻe (ma luna o 30 ℃) a me nā kūlana haʻahaʻa kiʻekiʻe, e hoʻopōʻino i ka lāʻau i nā mea kanu.

Pono e hoʻomaopopo ʻia ʻo ka wela hoʻohana kūpono o nā mea hana ma luna nei no ka ʻike wale nō, a pono pū ka mahana kikoʻī i nā mea kanu, a ʻokoʻa hoʻi ka mahana kūpono o kekahi mau mea kanu.

Akā ʻo 2,4D, Glyphosate a me Chlorpyrifos he mea pono loa i ke kauwela.