AG Pumpkin vs Squash Genetics

Differences between pumpkin and Squash.
Known or suspected genes controlling these differences.

Atlantic Giant pumpkins are some color of orange. One often reads that someone's giant fruit was ruled a squash. What are the small differences which cause ruling to be required.? How genes are different between squash and pumpkin?

Typical Traits of Mature AG Pumpkins

The main difference is color. To be accepted as a pumpkin in contests, the fruit must be some color of orange.

Other traits of pumpkins are ribs, ---,

The red allele is very rare in C. pepo (ordinary pumpkins). Has there ever been a red Atlantic Giant? The red allele in C. pepo has been described.

Typical Traits of Mature Giant Squash (C. maxima)

Often green or partly greeen; what about white?

Often has stripes.

Traits Visible in the Young Fruit

The color of the mature fruit is already hinted before the female flower is pollinated. If green it will be squash; if yellow it may be a pumpkin (I am not sure about this)

Known AG Squash, Pumpkin, Color Genes

From CGC genelist. CGC = Cucurbit Genetics Cooperative.

Information from Growers

Pumpkin vs Squash genetics
Date: 17 Apr 99
I have some early dill seeds from about 1988 some came out as white squash. Others as light orange pumpkins. If you want some of my seeds send me your address.
Troy
troynayler@golden.net


Plans: describe the colors of AG pumpkins and colors of squash

shape of fruit.

400 - The Genetics of Atlantic Giant

Pumpkin Sites Dealing with Squash vs Pumpkin

The list below is not correct; to be edited.

The Pumpkin Nook - A large comprehensive pumpkin site
The Pumpkin Patch - Everything you need to know to grow the biggest AG - He says
Read the Pumpkin archives. The stored e-mail from pumpkin@mallorn.com mail list.
Mike Nepereny's Cucurbyte Site - Mike displays the pedigrees for the leading giant pumpkins
Pumpkin species - Good grouping of squash and pumpkin cultivars by botanical species.

http://www.athenet.net/~dang/pumpkins.html

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I welcome comments and any kind of information for this site please send your comments today while this page is being designed. You may have observations which along with others can help us identify more Pumpkin Genes.

You may send private e-messages to Dr. Eddleman and he will reply, usually within 24 hours.


First installed 1999 April 17      Revision #0 1999 April 17       indbio@disknet.com
Written by Harold Eddleman, Ph. D., President, Indiana Biolab, 14045 Huff St., Palmyra IN 47164
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