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Table 8 Comparative table of pigeonpea production constraints across ecological zones

From: On-farm management and participatory evaluation of pigeonpea (Cajanus cajan [L.] Millspaugh) diversity across the agro-ecological zones of the Republic of Benin

Constraints Overall Rank per zone
TNV MAC PCO Imp Rank GZ SGZ SZ
Long vegetative cycle 50 28 48 42 1 1 1 3
Pests and diseases 48 14 48 36.7 2 2 2 1
Rainfall irregularity 30 3 25 19.3 3 3 4 4
Weeding 25 1 23 16.3 5 4 5 6
Lack of improved varieties 26 - 24 16.7 4 5 3 5
Storage insects 10 - 7 5.7 8 6 9 8
Soil poverty 15 3 13 10.3 6 7 8 2
Harvest and post-harvest work 10 1 4 5 9 8 9 7
Low productivity 11 - 10 7 7 9 6 6
Lack of cultivable land 5 - 3 2.7 10 10 7 9
  1. GZ: Guinean zone; SGZ: Sudano-Guinean zone; SZ: Sudanian zone; TNV: Total Number of Villages in which the constraint is cited; MAC: Number of villages where the constraint is the major one or ranked first; PCO: number of villages in which the constraint was classified among the principal constraints i.e. among the first five; Imp: Importance