Amazambane, ukolweni, irayisi, kanye nommbila kwaziwa njengezitshalo ezine ezibalulekile zokudla emhlabeni, futhi zisesikhundleni esibalulekile ekuthuthukisweni komnotho wezolimo waseChina. Amazambane, abizwa nangokuthi amazambane, ayimifino evamile ekuphileni kwethu. Zingenziwa zibe izibiliboco eziningi. Ziqukethe ukondleka okuningi kunezinye izithelo nemifino. Zicebile ikakhulukazi isitashi, amaminerali namaprotheni. “Zinama-apula angaphansi komhlaba”. Isihloko. Kodwa ngesikhathi sokutshala amazambane, abalimi bavame ukuhlangana nezinambuzane nezifo ezihlukahlukene, ezithinta kakhulu izinzuzo zokutshala zabalimi. Esikhathini esifudumele nesiswakeme, izinga lokubola kwamaqabunga amazambane liphezulu. Ngakho-ke, yiziphi izimpawu zokubola kwamaqabunga amazambane? Indlela yokuvimbela?
Izimpawu eziyingozi Zilimaza kakhulu amaqabunga, iningi lawo okuyisifo sokuqala emaqabunga aphansi asencane phakathi nezigaba zokukhula. Amaqabunga amazambane atheleleka, aqala eduze konqenqema lweqabunga noma ichopho, amabala aluhlaza ansundu akhiwa esigabeni sokuqala, bese kancane kancane akhule abe amachashazi acishe abe yindilinga acishe abe yindilinga acishe abe “V”-nsundu ngokumpunga, anamaphethini endandatho angabonakali, futhi emaphethelweni angaphandle amachashazi anesifo kuvame ukuvela ku-Chlorescence, amaqabunga amnyama futhi aphuzi, kwesinye isikhathi amaqabunga amnyama. amabala ansundu angase akhiqizwe ezindaweni ezinesifo, okungukuthi, i-conidia ye-pathogen. Kwesinye isikhathi ingathelela iziqu kanye nemivini, yakhe amachashaza ampunga ansundu angamile, futhi kamuva ingaveza amachashaza amancane ansundu engxenyeni enesifo.
Iphethini yezenzeko I-Potato leaf blight ibangelwa ukutheleleka kwesikhunta esingaphelele i-Phoma vulgaris. Le pathogen idlula ubusika emhlabathini ene-sclerotium noma i-hyphae kanye nezicubu ezigulayo, futhi ingadlula ubusika kwezinye izinsalela ze-host. Uma izimo zonyaka olandelayo zifanelekile, amanzi emvula afafaza amagciwane angaphansi komhlaba emaqabunga noma iziqu ukuze abangele ukutheleleka kokuqala. Ngemuva kokuthi lesi sifo senzeke, i-sclerotia noma i-conidia ikhiqizwa engxenyeni enesifo. Ukutheleleka okuphindaphindiwe ngosizo lwamanzi emvula kubangela ukubhebhetheka kwalesi sifo. Ukushisa nomswakama ophezulu kuhambisana nokuvela kanye nokusabalala kwalesi sifo. Lesi sifo siyingozi kakhulu ezindaweni ezinomhlabathi ompofu, ukuphathwa okubanzi, ukutshala ngokweqile, nokukhula kwezitshalo okubuthakathaka.
Izindlela zokuvimbela nokulawula Izinyathelo zezolimo: khetha iziza ezivundile zokutshala, lawula ukuminyana kokutshala okufanele; ukwandisa umanyolo we-organic, futhi usebenzise ngokufanelekile umanyolo we-phosphorus ne-potassium; ukuqinisa ukuphathwa ngesikhathi sokukhula, ukuchelela kanye nokugqoka phezulu ngesikhathi, ukuvimbela ukuguga kwezitshalo ngaphambi kwesikhathi; ngesikhathi emva kokuvuna Khipha imizimba enesifo ensimini bese uyibhubhisa endaweni eyodwa.
Ukulawulwa kwamakhemikhali: ukuvimbela nokwelashwa kwesifutho esigabeni sokuqala sesifo. Esigabeni sokuqala sesifo, ungakhetha ukusebenzisa u-70% we-thiophanate-methyl wettable powder 600 times liquid, noma 70% mancozeb WP 600 times liquid, noma 50% iprodione WP 1200 Uketshezi oluphindaphindayo + 50% Dibendazim impushana emanzi 500% izikhathi eziwuketshezi + 500% WP noma 500% uketshezi, 500% WP noma 500 WP 70% I-Mancozeb WP 800 izikhathi zoketshezi, noma 560g/L Azoxybacter·Inkathi engu-800-1200 uketshezi lwe-Junqing suspending agent, 5% chlorothalonil powder 1kg-2kg/mu, noma 5% kasugamycin·5% kasugamycin·i-copper hydroxide can ezindaweni ezivikelwe i-copper hydroxide powder 1kg
Isikhathi sokuthumela: Oct-15-2021