Masu kula da ci gaban shuka suna amfani da latas

1. Karya barcin iri
Mafi kyawun zafin jiki don germination na letus shine 15-29 ℃. Sama da 25 ℃, ikon germination yana raguwa sosai a ƙarƙashin yanayi mara haske. Tsaba da ke karya dormancy na iya inganta ƙarfin germination a ƙarƙashin yanayin zafi. Lokacin da zafin jiki na ƙasa ya kai 27 ℃, yawanci ana iya jawo tsaba na letas zuwa barci.

Thiourea
Jiyya tare da 0.2% Thiourea ya haifar da ƙimar germination na 75%, yayin da sarrafawa shine kawai 7%.

Gibberellic acid GA3
Jiyya tare da Gibberellic Acid GA3 100mg/L bayani ya haifar da germination na kusan 80%.

Kinetin
Zubar da tsaba tare da maganin 100mg/L kinetin na minti 3 na iya shawo kan kwanciyar hankali a ƙarƙashin yanayin zafi. Lokacin da zafin jiki ya kai 35 ℃, tasirin kinetin yana da mahimmanci.

2: Hana bolting
Daminozide
Lokacin da letas ya fara girma, fesa tsire-tsire tare da 4000-8000mg / L Daminozide sau 2-3, sau ɗaya kowane kwanaki 3-5, wanda zai iya hana bolting mahimmanci, ƙara kauri daga cikin mai tushe, da inganta darajar kasuwanci.

Maleic hydrazide
A lokacin girma na letas, jiyya tare da Maleic hydrazide 100mg / L bayani zai iya hana bolting da flowering.

3: Inganta bolting
Gibberellic acid GA3
Latas ita ce kawai ganye da tushen kayan lambu waɗanda ke iya haɓaka bolting a ƙarƙashin yanayin dumi da dogon rana saboda yawan zafin jiki na shigar da bambancin furen fure. Kula da tsaba tare da dogon rana da ƙarancin zafin jiki na iya haɓaka samuwar fure, amma adana iri yana buƙatar yanayi mai sanyi. Alal misali, a cikin gwajin ɗakin yanayi na wucin gadi, tsakanin 10-25 ℃, duka gajere da dogon yini na iya kullewa da fure; ƙasa da 10-15 ℃ ko sama da 25 ℃, fruiting ba shi da talauci kuma an rage ajiyar iri; akasin haka, ajiyar iri shine mafi girma a 10-15 ℃. Yana da wuya a ajiye tsaba latas, kuma fesa Gibberellic Acid GA3 na iya inganta bolting na latas da rage ruɓa.

Gibberellic acid GA3
Lokacin da letas kabeji yana da ganye 4-10, spraying 5-10mg / L Gibberellic Acid GA3 bayani zai iya inganta bolting da flowering na kabeji letas a gaban kabeji, da kuma tsaba girma kwanaki 15 a baya, ƙara iri yawan amfanin ƙasa.

4 Haɓaka girma
Gibberellic acid GA3
Mafi kyawun zafin jiki don tsire-tsire na letas shine 16-20 ℃, kuma mafi kyawun zafin jiki don ci gaba da saitin shine 18-22 ℃. Idan zafin jiki ya wuce 25 ℃, letas zai yi girma sosai. Haske a cikin greenhouses da zubar a cikin hunturu da bazara na iya saduwa da ci gaban al'ada na letas. Yakamata a sarrafa ruwa a lokacin ci gaba da saiti, kuma ya kamata a ba da isasshen ruwa yayin lokacin taken. Don letas tare da mai tushe mai laushi, lokacin da shuka yana da ganye 10-15, a fesa da 10-40mg / L na gibberellin.

Bayan jiyya, bambance-bambancen ganyayyaki na zuciya yana haɓaka, adadin ganye yana ƙaruwa, kuma ana haɓaka mai tushe mai taushi don haɓakawa. Ana iya girbe shi kwanaki 10 a baya, yana haɓaka yawan amfanin ƙasa da 12% -44.8%. Ana bi da leaf leaf tare da 10mg / L na gibberellin kwanaki 10-15 kafin girbi, kuma shuka yana girma da sauri, wanda zai iya ƙara yawan amfanin ƙasa da 10% -15%. Lokacin shafa gibberellins akan latas, ya kamata a mai da hankali ga maida hankali da ake amfani da shi don guje wa fesa taro mai yawa, wanda zai haifar da siririn mai tushe, rage nauyi mai nauyi, lignification a mataki na gaba, da rage inganci.

Har ila yau, wajibi ne a guje wa fesa lokacin da tsire-tsire ya yi ƙanƙara, in ba haka ba mai tushe zai zama siriri, toshewa zai faru da wuri, kuma za a yi asarar darajar tattalin arziki.

DA-6 (Diethyl aminoethyl hexanoate)
Spraying letas tare da 10mg / L DA-6 (Diethyl aminoethyl hexanoate) bayani na iya kuma sa seedlings su sami tushen tushen tsarin da lokacin farin ciki mai tushe, gabaɗaya yana haɓaka samarwa da 25% -30%.

5. Kiyaye sinadarai
6-Benzylaminopurine (6-BA)
Kamar yawancin kayan lambu, senescence na latas shine launin rawaya na ganye a hankali bayan girbi, sannan kuma a hankali tarwatsewar kyallen takarda, zama m da rubewa. Fesa filin tare da 5-10mg / L 6-Benzylaminopurine (6-BA) kafin girbi na iya tsawaita lokacin da letas ya kasance sabo ne kore bayan an shirya ta kwanaki 3-5. Jiyya tare da 6-BA bayan girbi na iya jinkirta jinkiri. Fesa letas tare da 2.5-10 mg / L 6-BA 1 kwana bayan girbi yana da sakamako mafi kyau. Idan an fara adana letas a 4 ° C na kwanaki 2-8, sannan a fesa tare da 5 mg / L 6-BA akan ganye kuma a adana shi a 21 ° C, bayan kwanaki 5 na jiyya, kawai 12.1% na kulawa. ana iya siyar da shi, yayin da kashi 70% na maganin da za a iya tallatawa.

Daminozide
Immersing ganye da letas mai tushe tare da 120 MG / L Daminozide bayani yana da kyakkyawan tasirin adanawa kuma yana tsawaita lokacin ajiya.

Chlormequat Chloride (CCC)
Immersing ganye da letas mai tushe tare da 60 MG / L Chlormequat Chloride (CCC) maganin yana da tasiri mai kyau na adanawa kuma yana tsawaita lokacin ajiya.