Introducing New Cassava Varieties in North Sumatera and East Nusa Tenggara, Indonesia

Starting from 2016/2017, Indonesian Legumes and Tuber Crops Research Institute (ILETRI) and University of Brawijaya, through "Developing Value-Chain Linkages to Improve Smallholder Cassava Production Systems in Vietnam and Indonesia" activities, introducing cassava varieties to North Sumatera and East Nusa Tenggara. This activity is supported by the University of Queensland (Australia) and CIAT (International Center for Tropical Agricultural), funded by ACIAR (Australian Center for International Agricultural Research).

 

North Sumatra is one of central cassava production in Indonesia besides Lampung, East Java, Central Java, and West Java, with production of 1,619,495 tons in 2015 and productivity of 33.8 t.ha-1. In North Sumatera, cassava can be planted throughout the year because it has a wet climate. Most of the cassava is used as raw material of tapioca. Of the twelve cassava varieties introducing in North Sumatera, farmers prefer the Malang 4 variety because it have high yield and starch content. Based on research conducted in 2016, Malang 4 has yield amount of 49.8 t.ha-1, the highest among other varieties

 

  introducing-new-cassava-varieties-in-north-sumatera-and-east-nusa-tenggara-indonesia.jpg         introducing-new-cassava-varieties-in-north-sumatera-and-east-nusa-tenggara-indonesia-1.jpg

Field day activities in North Sumatera

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In contrast to North Sumatera, East Nusa Tenggara (NTT) has a very dry climate and cassava is used for human consumption. Production of cassava in NTT in 2015 reached 637,315 tons. In NTT cassava can only be planted at the beginning of the rainy season, usually in November or December. NTT farmers currently only cultivate local cassava varieties resulting in very low productivity of 10.5 t.ha-1. Of the eight cassava varieties that introduced to farmers in NTT, the preferred varieties are Gajah and Tambak Udang varieties because they have a good taste.

   introducing-new-cassava-varieties-in-north-sumatera-and-east-nusa-tenggara-indonesia-2.jpg       introducing-new-cassava-varieties-in-north-sumatera-and-east-nusa-tenggara-indonesia-3.jpg

Field day activities in NTT

 

In 2017/2018, there were about 20 to 30 farmers in North Sumatra planted Malang 4 in their field. In NTT about 30 farmers planted Gajah and Tambak Udang variety. In addition there were about 20 farmers in NTT improved their cropping pattern by increasing cassava population in their maize crops.

 

Authors: Kartika Noerwijati, Yudi Widodo, Ruly Krisdiana, Wani Hadi Utomo, Nur Edy Suminarti dan Suhartini.

 

Contact: Dr. Kartika Noerwijati: tika_iletri@yahoo.com

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