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market-farming - Re: [Market-farming] Peppers crossing

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  • From: Allan Balliett <igg AT igg.com>
  • To: Market Farming <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] Peppers crossing
  • Date: Wed, 10 Mar 2004 07:50:48 -0500

Good article on Natural Cross-Pollination of Peppers and how to work around it is at

http://www.gardenmedicinals.com/library/ref_pepper_isolation.html

"A misconception exists among a number of individuals who save their own seed. The misconception is that no crossing has occurred if the fruit and foliage of the first generation (F1 generation) or subsequent generations appear no different than the parental generation. This misconception can be illustrated by performing the following test. The test consists of growing a row of hot peppers next to a row of sweet peppers, both varieties having approximately the same shape and color of fruit and otherwise similar in appearance. The seed from the fruit of the sweet variety is then saved and planted. When the fruit of this planting (F1 generation) is eaten, a high percentage of these peppers will be found to be hot (due to the presence of a dominant gene received from the hot variety). One enthusiastic bite into a hot sweet pepper will illustrate that similarity in appearance does not mean absence of cross-pollination. Incidentally, the hot trait will not disappear in the next generation (F2 generation) or subsequent generations unless the hot plants are rogued out (each plant would have to be grown in isolation to do this). Instead the genes will "move around" in the plants of the subsequent generations. This experiment demonstrates the obvious results of cross-pollination, but the manifestations of NCP between two similar varieties will be less obvious, especially where recessive genes are involved. These recessive genes are not so easily removed from the population of plants resulting from the NCP of two different varieties, partially because these recessive genes are not readily identified. "




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