cannabis branches dying.

[alexandros101]

i have two plants 3 meters high each outdoor (arjans haze 1) 6 months old, preflowers started a month ago ,were in very good condition but 25 days ago one branche after the other started to wilt and after that geting dry and dead ,this is hapening in the midle of the plant one branche oposite to the other one by one i have lost 8 branches until now every 3 days another branche is affected, also in the midle of the plant the main stem is getting a bit white colored and somehow soft -dry, some of the stems of the leaves are purple,the overall condition of the plants is now week
(note that the plants are growing very close to a horse stable if this place any role)
is this any virus fungi or any other problem that can be solved?
Please help!!!

[WhiteRhino]

moved to the right section ..

[Maffro]

I had a similar problem and someone sugested that it was a root parasite ? cant remember exactly but i took the plant out of its growbagand washed the soil from the roots and put some fresh soil back in its place - its now the best plant ! ill check my posts and get back to you. does the plant get like the one in the photo before the branch dies ?

[Guest superbluehaze]

hit them with a fungicide now!or you will lose your plants.it is root rot for sure!a root fungus!good luck, i will check back.hit it now and hit is hard.regards,john

[Guest superbluehaze]

hit it with a fungicide for root fungus!then if you can afford it:feed the leaves through a foliage spray Rhizotonic by canna;then use beneficial fungi and bacteria to protect your plant from further attacts.you can save your plant, but you have a fight on your hands.I am here to advise you and help in any way i can.happy harvest,john

[Guest superbluehaze]

Fusarium Wilt

Symptoms:

• When disease begins, wilting may occur but plants often recover their stature overnight.
• Stems and leaves of only one side of a plant may initially discolor or wilt.
• The leaves and stems develop chlorois and turn light in color.
• As the disease progresses the entire plant may wilt, develop a yellow or reddish tint, and die after several months.
• Dark brown specks develop near the center of the root and often increase to form a complete or partial circle; this diagnostic symptom is best seen by cutting cross-sections of upper part of the root.
• Infected plants usually occur in scattered patches in a field

Pathogen Involved:

• Fusarium oxysporum f. sp. medicaginis (a fungus)
• The fungus infects through wounds in roots.
• Survives in soil and infested plant debris

Time of Occurrence:

• All season
• Most common in stands two or more years old

Conditions Favoring Disease:

• Warm soil temperatures favor this disease, and is not favored by high soil moisture.
• Root knot nematode injury can increase severity of Fusarium wilt.

[Guest superbluehaze]

something else it could be,

Expert: William Camper - 8/27/2008

Question

My sisters lilac bush is dying one branch at a time. No bugs or mites. The leaves on a branch just turn crispy brown and our dead. Nothing is chewing them that I can see. We live in eastern Iowa. Thanks for your time.

J.D. Koppenhaver

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Answer

Hi. If your problem is not stress related, IE: water or heat than it sounds like Lilac Borers. Examine the canes and the base of your lilac for the signs listed below.

Description: Canes or stems wilt suddenly. The base of infested stems are swollen and the bark separates from the wood. A fine sawdust-like material is present around holes in the canes.

Lilac borers overwinter as larvae in infested trees and shrubs. Pupation occurs in the spring. Moth emergence generally begins in mid- to late-April, peaks in May, dwindles by mid- to late-June and ends by the first week of July. The moth has clear wings and resembles a wasp in appearance. It is about 1" long and has a wing span of about 1½ inches. Moths deposit eggs in cracks and crevices of bark. They hatch in 10 to 14 days. Larvae immediately bore into wood. Frass accumulates around holes. Swelling and cracking of the bark are associated with repeated infestations and branches may be severely weakened at the feeding sites. During dry periods in late summer, terminal shoots of infested plants wilt. There is one generation per year.

Recommendations: Treatment Options

The insecticide product available for home use is Bayer Advanced Garden™ Tree and Shrub Insect Control.

For additional treatment options, contact a local professional arborist.

Caution: read all label instructions before using any pesticide, avoid skin

contact, and store pesticides where children cannot reach them.

Hope this helps,Bill

[Guest superbluehaze]

Could there be anything worse for a gardener to find their favourite blooms having succumbed to plant wilt? Maybe. Perhaps finding a deer (or a kangaroo) eating your prized peonies could be a little distressing. Or, just looking up as your 3-year old snips the single bud off your chrysanthemum that was destined for glory at the local show.

These things could certainly test your patience but unlike these scenarios plant wilt can be avoided in most cases. For many beginner gardeners our desire to succeed and see our plants do well can actually be the reason they die. Too much TLC and love and attention is harmful, and can be fatal.

So, why do plants wilt and what can be done to minimise the risk.

1. Overwatering - this is a common mistake with growing indoor plants. We often water them the same as we would those growing outdoors but forget that evaporation is much lower inside. So plants end up sitting in very moist soil and their roots begin to struggle.

   Overwatering is also a common mistake early in Spring as gardeners adjust to their plant's requirements. We're eager to see them grow that we begin watering a little too early.

2. Lack of water - the flip side of the first problem is not watering them enough. If your plants are wilting because the soil has become too dry then the obvious solution is to begin watering them and keep this constant until the plant picks up again.

   Container plants have a knack of drying out quicker than those growing in the ground. So, the best way to resuscitate your pot plants is to plunge them into a bucket of water and hold until all the air bubbles have subsided. Note: this is only for extreme cases.

3. Too much sun - plant wilt often happens when you're growing them in the wrong position or if indoors, the plant is too close to a window. Too much sun for a shade loving plant is like too much social activity for an introvert.

   If outdoors, try moving your plant to another garden bed where it is less likely to be scorched by the sun's rays. Indoor plants may need to be moved away from the window but still where it can receive some indirect sunlight.

4. Not enough sun - and this ties in with the overwatering idea. Plants wilt sometimes because they're not receiving enough sunlight. Picture an extrovert confined to a cubicle office space every day and you'll understand the problem. The answer, again, is to move them.

Rootbound plants - often plants can outgrow their containers if they're not transplanted very year or two. Once a plant gets too large for its pot it struggles to draw nutrients and moisture from the soil - if there is any left, that is.

The answer is to repot your plant into a larger container and use some quality potting mix as its growing medium.

Too much fertiliser - overzealous gardeners can cause plant wilt just by feeding it too much. When adding fertiliser to a plant's growing medium, whether it be soil or potting mix, take into account the size of the plant and when you last fed it. Plants don't usually become obese, they just die.

Try using slow release fertilisers where possible and usually they should only be added at the start of the growing season and again during flowering times.

Disease - plants can often wilt as a result of an infection as well. There are a few main types of plant wilt related to disease, namely - Fusarium wilt which is a fungal disease common to cotton, tomatoes and palms. This type of wilt can be controlled via a fungicide which should be used as per the directions. Other forms are Bacterial wilt and Verticillium wilt.

So, finding your favourite plant wilt doesn't mean it's the end of it. There are some things you can do to try and save all your effort and hopefully turn your plant around so that it blooms another day.

happy harvest

john

[Guest superbluehaze]

I think it is Fusarium wilt.

To kill it, you need to drench the soil with an anti fungal solution for root disease

i hope this all helps,happy harvest,john

[whiterockboy]

I have a similar problem, a healthy plant of 6 feet, its branches start dying ( I notice dry the union between the branch and the trunk of the plant) and eventually the whole plant die