------ =_NextPart_000_01BB3347.1AD6CD00 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dear all: I once looked at translating Zadoks stages to the dimensionless = development stage used by the Wageningen group (where 0 =3D emergence; 1 = =3D anthesis; 2 =3D maturity). I did this for one cultivar of spring = wheat and barley each. A simple logistic curve did well, except perhaps = for the very beginning and end. Mohammed, I suggest that you rustle up some phenology data for the = cultivar(s) that you are working with and see if this will work for you. Regards, Frits van Evert University of Minnesota Dept. of Soil, Water and Climate 1991 Upper Buford Circle St. Paul, MN 55108 USA ------ =_NextPart_000_01BB3347.1AD6CD00 Content-Type: application/ms-tnef Content-Transfer-Encoding: base64 eJ8+IhANAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAENgAQAAgAAAAIAAgABBJAG AEABAAABAAAADAAAAAMAADADAAAACwAPDgAAAAACAf8PAQAAAFcAAAAAAAAAgSsfpL6jEBmdbgDd AQ9UAgAAAABEU1NBVCAtIENyb3AgTW9kZWxzIGFuZCBBcHBsaWNhdGlvbnMAU01UUABEU1NBVEBV R0EuQ0MuVUdBLkVEVQAAHgACMAEAAAAFAAAAU01UUAAAAAAeAAMwAQAAABUAAABEU1NBVEBVR0Eu Q0MuVUdBLkVEVQAAAAADABUMAQAAAAMA/g8GAAAAHgABMAEAAAAnAAAAJ0RTU0FUIC0gQ3JvcCBN b2RlbHMgYW5kIEFwcGxpY2F0aW9ucycAAAIBCzABAAAAGgAAAFNNVFA6RFNTQVRAVUdBLkNDLlVH QS5FRFUAAAADAAA5AAAAAAsAQDoBAAAAAgH2DwEAAAAEAAAAAAAAA/o4AQiABwAYAAAASVBNLk1p Y3Jvc29mdCBNYWlsLk5vdGUAMQgBBIABABoAAABSRTogRFNTQVQgV2hlYXQgUGhlbm9sb2d5AF4I AQWAAwAOAAAAzAcEABoACAAFAA8ABQASAQEggAMADgAAAMwHBAAaAAcAOAASAAUARwEBCYABACEA AAAwRjVFQjA5RDM4OUZDRjExQjg2MTAwMjBBRkQwQjIzMgArBwEDkAYACAQAABIAAAALACMAAAAA AAMAJgAAAAAACwApAAAAAAADADYAAAAAAEAAOQCgodICcTO7AR4AcAABAAAAGgAAAFJFOiBEU1NB VCBXaGVhdCBQaGVub2xvZ3kAAAACAXEAAQAAABYAAAABuzNxAtKdsF4RnzgRz7hhACCv0LIyAAAe AB4MAQAAAAUAAABTTVRQAAAAAB4AHwwBAAAAFgAAAGZ2ZXZlcnRAc29pbHMudW1uLmVkdQAAAAMA BhDEgNGhAwAHENsBAAAeAAgQAQAAAGUAAABERUFSQUxMOklPTkNFTE9PS0VEQVRUUkFOU0xBVElO R1pBRE9LU1NUQUdFU1RPVEhFRElNRU5TSU9OTEVTU0RFVkVMT1BNRU5UU1RBR0VVU0VEQllUSEVX QUdFTklOR0VOR1JPAAAAAAIBCRABAAAAhgIAAIICAAByAwAATFpGdTOgT3j/AAoBDwIVAqgF6wKD AFAC8gkCAGNoCsBzZXQyNwYABsMCgzIDxQIAcHJCcRHic3RlbQKDM/cC5AcTAoB9CoAIzwnZAoAH CoENsQtgbmcxMDOPFFALChRRC/EgRGUKwZkHQGw6CoUKhUkgAiDIY2UgFaBvawmAGaBZBUB0cgBx C2B0C4BncCBaYWQbYAQgE8BhUmcHkXRvG9BoGyBkdwdxAIECIGwHkAQgDbB2OmUVoHAeEQVAHRMg ddMRsBuQYnkdo1cdMQMAGxfACfAgCcAIYHAgKJZ3HcAWECAZQD0gE+DHBJAg0RsQOyAxIkEAcHsd sQCQcyMAEeAiUADAdOEIcXR5KS4awR3wG5B7HbAEACACEAXAAiAbIGOUdWwcUHYKwW9mHQD/E1Ac YiHRG7EAcCAhCsAegO8gUBlwEXAk0EEdAAdwC1CtGyJnBAAcUGMmEXIe8KUlA3cfAGwsImB4GxDt BTFwBJARgHAlhB2yHvDSciBQYmUpcG4g8iejSQnwZC4Z/E1vEYBtjQeAZCrAGtBzdWcdQZcbwRGA BUB5CGAgch/wtnQpISGRcwNwGyBwHcCqbhWRZyBQZBuwYSvHcSYmKHMpL9gKwBsgd+0FsGsnEySQ aCejEbAbIP8GkCVEA/AZwDRTJZMwMS29plIssAsRcywZ/EYkgVcEICZwA6BFLFF0GfxV3wMALFEA kCSgJqJNLNEHkH5vAZAKhRlgBTAk0CaxU35vAxAqwCCwE9AZkSfBQ45sB3A+QQqFMTk5IyDEVXAr USBCdSWhPrFYaXJjHoAKhVM9cVAGYSYwKsBNTiA1NWUX4Dg69lNBCoUVMQABRBAAAAMAEBAAAAAA AwAREAAAAABAAAcwQJDGwm8zuwFAAAgwQJDGwm8zuwEeAD0AAQAAAAUAAABSRTogAAAAAHAZ ------ =_NextPart_000_01BB3347.1AD6CD00--