Agriculture Reference
In-Depth Information
Fig. 4.39. Effect of duration of heat treatment of bulbs at 28°C during storage pre-
planting on flowering and bulb yield in the following season in onion cv. 'Juva 1' in
Finland. Percentage of plants with: (a) visible inflorescences (unbroken line), (b)
inflorescences initiated (short broken line), (c) suppressed inflorescence initials
(long broken line) and (d) average weight of bulbs at harvest (alternate short and
long broken line) (from Aura, 1963. Courtesy Annales Agriculturae Fenniae ).
Fig. 4.40. Influence of photoperiod on vernalization rate at 9°C of onions grown
with abundant N (
). Left-hand graph, the autumn-sown cv.
'Senshyu Semi-globe Yellow'; right-hand graph, the spring-sown cv. 'Rijnsburger
Bola' (from Brewster, 1983).
) or deficient in N (
Search WWH ::




Custom Search