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 Howard B. Frost  University of California, Riverside.

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Presentation on theme: " Howard B. Frost  University of California, Riverside."— Presentation transcript:

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2  Howard B. Frost  University of California, Riverside

3  Bred in 1915  First generation hybrid of King X Willow Leaf (China)  Other sister variety of same parents “Wilking”  Released as a variety in 1935

4  The name KINNOW derived from the parents ◦ KIN from King ◦ OW from Willow & additional N as and Kinnow

5   Planted in Horticulture Fruit Garden Sq.# 9, Punjab Agriculture and Research Institute Lyallpur, now UAF along with Feutrell’s early

6 Merits  Heavy bearer  Good fruit size  Deep orange color  Pleasant flavor  High TSS  Excellent adaptation Demerits Late ripening Alternate bearing Soft skin High number of seeds

7 Early Adaptation Studies (1950s) Management Research (1960s onwards) Nucellar Lines (Early 1970s) Breeding Programs (1990s onwards) S&T (2000+) Disease free citrus nursery production system ◦ Established first nursery model system ◦ Now >10 such systems are under development process

8 Foundation Block of Certified Citrus Plants

9 Container Grown Citrus Nursery Container grown Citrus nursery plants

10  Characterization of Seeded VS seedless strains

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12 PAK-US project on “Citrus Greening” (UC Riverside) ◦ Vector characterization ◦ Germplasm screening ◦ Biological Control of Vector

13 Asymmetric leaf mottle A)- Single leaf B)- A full flush A B

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17  ASLP Citrus project (Australia) ◦ Nursery Production ◦ Fruit thinning ◦ Top Working


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