RE: Yellowing leaves and fertilizing
- To: "INTERNET:pumpkins@mallorn.com"
- Subject: RE: Yellowing leaves and fertilizing
- From: B* J* S*
- Date: Sat, 19 Jun 1999 23:21:58 -0400
- Content-Disposition: inline
George,
Bingo, I have had the same problem. Everything is growing well then those
yellow leaves will show up. There is three things to look for that may
help. I was hit with the yellow leaf syndrome when I first planted this
year.
1. A lack of nitrogen will show up as the entire leaf (veins and leaf
meat) being yellow. The vine will also become yellow and weak, will not
have that crisp feeling or look. Although some of these AG's will have a
yellow vine, pretty looking, but leaves should be green.
2. A lack of iron "chlorosis" is the anemic part that happens frequently
with pumpkins. Temperature swings and moisture swings will cause this
fast growing plant from absorbing the iron it needs. Or soil Ph could be
low. Remember the way these monster pumpkin plants grow it is like a
body builder in full training. Iron deficiency is apparent when the veins
of the leaf are green and the meat part is spotted or turning yellow.
This happens to me alot..........I apply this chelated iron w/minerals
couple times a year.
3. The third thing could be phototoxicity.......too much pesticides, or a
strong liquid fertilizer. This is evident by leaf spotting or couple days
after spraying Sevin. Spray your pesticides at 1-2 tps less then
recommended. And don't spray if temperatures will be in the 90's.
If you want to e-mail me more details / description of your yellowing, I
might be able to help more.
e-mail: bsadowski@compuserve.com
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