and Integrated Pest Management - part - usaid

Table 1. Yield loss partitioned by crop growth stage in four irrigated transplanted rice sites. Philippines, 1978-86.
Yield Loss Proportion of yield loss (%)
Site Protected Unprotected t/ha % Vegetative Reproductive Ripening
Laguna 4.56 4.33 0.19 5 38 42 21
Zaragoz7a 4.91 4.26 0.65 11 44 28 28
South Cotabato 4.75 4.16 0.59 12 32 39 29
Guimba 2.69 1.89 0.80 37 39 42 19
X = 38 38 24
t0
z