1. Zizindikiro

Matenda a masamba osweka amawononga nsonga kapena m'mphepete mwa masamba a fodya.Zotupazo zimakhala zosakhazikika, zofiirira, zosakanikirana ndi mawanga oyera osakhazikika, zomwe zimapangitsa nsonga za masamba osweka ndi m'mphepete mwa masamba.Pamapeto pake, mawanga ang'onoang'ono akuda amabalalika pazitsamba za matendawa, ndiye kuti, ascus wa tizilombo toyambitsa matenda, ndipo mawanga ofiira owala ngati mphezi nthawi zambiri amawonekera m'mphepete mwa mitsempha pakati pa masamba., Mawanga osweka osweka.

2. Njira zopewera

(1) Mukakolola, chotsani zinyalala ndi masamba akugwa m’munda ndipo muwotche m’nthawi yake.Tembenuzani nthaka nthawi yake kuti mukwirire zotsalira za zomera zodwala zomwe zabalalika m'munda pansi pa nthaka, bzalani mothithikana, ndi kuonjezera feteleza wa phosphorous ndi potaziyamu kuti zikule bwino ndikukula kwa fodya komanso kupirira matenda.

(2) Matenda akapezeka m’munda, thirani mankhwala ophera tizilombo kuti mupewe ndi kuwononga munda wonse panthawi yake.Kuphatikiza ndi kupewa komanso kuwongolera matenda ena, othandizira awa angagwiritsidwe ntchito:

Carbendazim 50% WP 600-800 nthawi zamadzimadzi;

Thiophanate-methyl 70% WP 800-1000 nthawi madzi;

Benomyl 50% WP nthawi 1000 madzi;

2000 nthawi madzi a Propiconazole 25% EC + 500 nthawi madzi a Thiram 50% WP, utsi wogawana ndi 500g-600g mankhwala ndi 100L madzi 666m³.