ʻO ke kūlana o kahi maʻi me ka hopena o ke ahi i ka wā e hōʻike ai kaʻuala i ka ulu wikiwiki i ka manawa mai ka waena o Mei a waena o Iulai i ka hui pū me nā kūlana pulu. I nā makahiki i hala iho nei, ua haʻahaʻa ke kaomi maʻi ma muli o ka wā maloʻo a mehana, akā hiki i ka 2021 ke hōʻike i kahi ʻano ʻokoʻa i loko o kēia wā koʻikoʻi o ka ulu ulu wikiwiki.
Pepeluali PROXANIL® Loaʻa iā ia kahi hana ʻōnaehana a translaminar e kūʻē iā Phytophthora a maikaʻi i loko o ka hua ʻuala ma luna. Loaʻa ka huahana i nā mea hana propamocarb 400 g / l + cymoxanil 50 g / l. He hana nui kā kēia hui kūʻē iā Phytophthora.
1. Kū i ka fungus ulu ulu mycelium
2. Anti-sporulate
3. Hoʻōla ke kī i hope
Hoʻopau i ka pīpī ʻana iā PROXANIL me ka fungicide hoa
I ke alo o Phytophthora infestation i loko o kahi ʻuala, hiki ke hoʻokō ʻia kahi kāpī ʻana i kahi wā pōkole me ʻelua mau manawa ʻo PROXANIL a me kahi fungicide hoa me kekahi mea hana ʻē aʻe.
ʻLelo aʻoaʻo inā loaʻa ʻo Phytophthora infestation ʻike ʻia:
- PROXANIL 2 L / ha + NAUTILE® WG / VIDEO® WG 2 kg / ha (kau hope loa) a i ʻole
- PROXANIL 2 - 2.5 L / ha + Zorvec® Endavia * 0.4 L / ha a i ʻole
- PROXANIL 2 - 2.5 L / ha + Ranman® Top ** 0.5 L / ha
E hoʻohana i nā kiʻekiʻena o PROXANIL 2.5 L / ha i ke alo o nā lau ʻuala nui a nui i hoʻomohala ʻia. Hoʻohana nui ʻia ka PROXANIL + Ranman Top ** hui hoʻohui mai ka hoʻomaka o ʻAukake, i ka wā i hiolo ai ka hua a hoʻomau ka pulu o ka hua no ka manawa lōʻihi ma muli o nā pō hau.
Lōʻihi loa kahi wā
Inā lōʻihi ka lōʻihi ma waena o ʻelua mau sprays no ka palekana kūpono, Hiki iā SACRON® WG hoʻohui ʻia ʻO SACRON WG a me ka formmo cymoxanil solo. Hāʻawi ka hoʻohui ʻana i kēia huahana i ka 1 - 2 mau lā hopena hopena i kahi spray fungicide e kūʻē iā Phytophthora i kaʻuala. He mea nui e hoʻopili ʻia ka mahele pololei o ka cymoxanil me SACRON WG, ʻo ia hoʻi ʻo 0.265 kg / ha.
wai hoʻoheheʻe pH
Hoʻomaopopo ka cymoxanil i ka mea hana i ka hoʻohaʻahaʻa wikiwiki i kahi waiwai pH kiʻekiʻe. Inā loaʻa ka wai i ka pH o 7 a ʻoi paha, e hoʻohui i kahi huahana hoʻohaʻahaʻa pH ma mua o ka hoʻohui ʻana iā PROXANIL a i ʻole SACRON WG. He pH kūpono ma waena o 5 a me 6.
* ʻO Corteva Agriscience
momi ** He inoa pale Belchim Crop Protection
E hoʻohana palekana i nā huahana pale pale. Ma mua o ka hoʻohana ʻana, e heluhelu i ka lepili a me ka ʻike o ka huahana.