Participatory Selection of Amaranthus Genotypes in the KwaMbonambi Area, KwaZulu-Natal, South Africa

被引:3
|
作者
Mncwango, Ngcebo C. [1 ]
Van Jaarsveld, Corlina M. [1 ]
Ntuli, Nontuthuko R. [2 ]
Mavengahama, Sydney [3 ]
机构
[1] Univ Zululand, Dept Agr, ZA-3886 Kwa Dlangezwa, South Africa
[2] Univ Zululand, Dept Bot, ZA-3886 Kwa Dlangezwa, South Africa
[3] North West Univ, Fac Nat & Agr Sci, Dept Crop Sci, Food Secur & Safety Niche Area Res Grp, ZA-2735 Mmabatho, South Africa
基金
新加坡国家研究基金会;
关键词
Amaranth; genotype; participatory variety selection; pig weed; traditional leafy vegetable; HORTICULTURAL TRAITS; VEGETABLE AMARANTH; LEAFY VEGETABLES; FARMERS; VARIETIES; KNOWLEDGE; QUALITY; DIVERSITY;
D O I
10.3390/su132111962
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Participatory variety selection (PVS) is a process that tests promising genotypes in farmers' fields through a close farmer-researcher collaboration approach, which enhances the acceptance of new varieties by farmers. However, limited studies have been conducted to select Amaranthus genotypes that have potential for future breeding programmes in South Africa. Therefore, this study was aimed at selecting Amaranthus genotype(s) that is/are preferred by farmers in northern KwaZulu-Natal, using the PVS approach. Seedlings of fifteen Amaranthus genotypes were each planted in separate 10 x 10 m plots. Fourteen local farmers managed these genotypes and also determined the preferred traits to be used to evaluate them. These traits were: mild taste; profuse stem branching; big and numerous leaves; soft texture; and longer shelf life. Plants at four months after transplant were then evaluated and ranked according to farmers' preferred traits using score sheets designed on a four-point Likert scale or five-point hedonic scale. However, genotype ACAT seed fair had the best scoring for appealing taste and aroma, and profuse branching. The TOT 8789 genotype had the largest and softest leaves. Again, A. thunbergii had the most numerous leaves of them all. These genotypes are thus recommended for multi-environment testing, seed multiplication, genetic improvement, and promotion for cultivation in South Africa.
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页数:13
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