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Abstract
The African baobab's (Adansonia digitata) breeding system has not been experimentally verified, and it remains unclear why such a stark disparity exists between ‘male’ trees that produce few, if any, fruit, and ‘female’ trees that produce many fruit consistently year after year. Combined results from gene flow analyses of 26 trees scored for nine microsatellite loci and hand-pollination experiments on five trees across three baobab populations in Mutale District, Limpopo Province, South Africa, investigated the breeding system, strength of incompatibility within trees, and if genetic differentiation was detectable between ‘males’ and ‘females.’ Our data suggest that A. digitata is largely self-incompatible. ‘Male’ and ‘female’ trees showed high heterozygosity and estimated outcrossing rates did not differ in degree of self-incompatibility, and showed no significant genetic differentiation. The ability of ‘males’ to produce fruit if cross-pollinated suggests that poor fruit production in male trees is most likely due to low rates of pollination.
TOPICS IN THIS ISSUE:
• “We Shall Defend our Citrus, We Shall Fight in Backyards and Community Gardens, We Shall Fight in Organic and Conventional Citrus Orchards; We Shall Never Surrender.”
• Organic Control of Asian Citrus Psyllid is Challenging
• Citrus Clonal Protection Program (CCPP) and National Clean Plant Network (NCPN): A Model System for Management of Citrus Diseases
• Discouraging citrus varieties smuggling by offering easy access to pathogen-tested budwood
Do commercial kiwi cultivars actually produce viable seed? I mean, could one just go down to the store, pick up some kiwifruit and follow that process? (if they need four months of stratification then surely they can take refrigeration during shipping...) I had just assumed that, like commercial bananas, they'd been bred to the point of infertility.
If it were possible, even if ones odds of getting a good plant were low, it could still be a way to get a male for pollination since kiwi is monoecious.
i was going to ask this myself.
Kiwi does have seeds
banana from the store do not - im pretty sure.
i dont know if that seed is viable or not?
also, the variety i think is the "Hayward "
Hayward, does best with a winter rest of 800 hours of chilling (defined as total hours between 32° and 45° F.)
(such as southern California, southern Texas, and Florida), cultivars such as Elmwood, Dexter, Abbott, or Vincent would be more suitable. In very mild winter areas the vines may retain their leaves and fail to flower the following season. Kiwi vines can be successfully grown in large containers.
Seeds from store bought fruit may be planted in the spring
http://www.crfg.org/pubs/ff/kiwifruit.html
They do need a winter chill in order to produce fruit, so you can’t grow kiwi anywhere warmer than zone 8.
Different varieties have different temperature requirements, so you should try to buy plants that suit your climate.
http://www.gardeningblog.net/how-to-grow/kiwi/
Fuzzy Female varieties need Fuzzy Males to set fruit
Fuzzy Varieties (Actinidia deliciosa)
http://www.justfruitsandexotics.com/JFE/product-category/berry-plants/kiwi/
Vincent Female Kiwi – Low Chill Kiwi!
Even though she’s named Vincent, this is the female fuzzy kiwi looking for Tomuri. She’s a tasty egg-sized fruit, similar to what you are accustomed to buying in the grocery store. Bred for warmer climates, she requires only 100 chill units, and a growing season of 240 frost-free days to sweeten the fruit. Fruit set is most successful when the winter temperature drops below 32, and Vincent is hardy to 10-15 degrees when mature. Can be grown successfully in a large pot if trellised adequately. Harvest in October. Zones 8-9.
http://www.justfruitsandexotics.com/JFE/product/vincent-kiwi/
How to Grow Kiwi From Store Bought Kiwi Fruit!
http://foodiegardener.com/how-to-grow-kiwi-from-store-bought-kiwi-fruit/