Mbatata yatsopano yotchedwa CIP-Matilde, yopangidwa ndi International Potato Center (CIP) mothandizidwa ndi Crop Trust, ndi chitsanzo chosangalatsa chakugwiritsa ntchito abale akutchire pakuweta.
Kuwonongeka kochedwa kumatha kuwongoleredwa ndi agrochemicals, koma alimi mamiliyoni ambiri sangakwanitse kuwagwiritsa ntchito pafupipafupi momwe angafunikire, zomwe zimapangitsa kuti pafupifupi $ 14 biliyoni pakuwonongeka kwa mbewu pachaka. M’madera amapiri, mikhalidwe yachinyontho imapangitsa kufalikira kwa choipitsa mochedwa, ndipo asayansi akulosera kuti ngozi ya kutenga nthendayo idzangowonjezereka chaka ndi chaka pamene nyengo ikusintha pang’onopang’ono.
CIP-Matilde ndi chinthu choswana momwe mbatata zakuthengo ndi zolimidwa zimawoloka kuti zipange mitundu yolimbana ndi choyipitsa mochedwa. Mitundu yatsopanoyi idatchedwa dzina la wasayansi Matilda Orrillo, yemwe adayamba kugwiritsa ntchito mbatata zakutchire ku International Potato Center (CIP) m'ma 1980.
Achibale a mbatata zakuthengo amatha kupirira zovuta monga kutentha kwambiri komanso chilala. Powoloka mbatata yolimidwa ndi zakuthengo, izi zitha kuperekedwa kwa ana ndi kutengera zitsanzo zosamva matendawa. Zitsanzo zisanu zidasankhidwa, zabwino kwambiri zomwe zinali CIP-Matilde.
Zosiyanasiyanazi ndizoyenera makamaka ku Peru, komwe zidzakwezedwa m'zaka zikubwerazi.