Texas West Plains Cotton: Mostly Pest Free with Some Problem Pockets

    Cotton ranges from 5 nodes above white flower to hard cut-out. Ideally cotton will be blooming out-the-top by now; because we have reached that point when the odds of a bloom developing into a quality/yield contributing boll will drop considerably over the next week.

    In fact, we are seeing some more mature fields beginning to shed squares and small bolls as a final adjustment in what the plant can naturally hold. Be sure though that this fruit shed is natural and not being induced by Lygus or bollworm. Especially in Bollgard II or no technology.

    Most fields are generally pest free currently. Occasional pockets of cotton aphids, tarnished plant bugs (Lygus), and bollworms can be found. In the case of aphids and worms the beneficials have played a large role in keeping these pests in check. Continue to scout for another twenty days or so.

    By September 10th majority of cotton acres should have 400 some heat units accumulated on the last bolls set, making them relatively safe from most insect damage.

    Irrigation has been where most questions are being posed. I will admit I get conservative with irrigation as we move into the last days of August and would rather err on the side of being too dry than too wet going into September. We have already had our chance of making quantity, now it is a matter of achieving quality through maturity.

    The last bolls set during this time need to be relatively stress free for 20 days (approximately September 10-14th). So, if the plant recovers quickly from any wilting during a +90-degree day then those last bolls formed should mature properly. After 40-45 days (approximately September 30th) the plant can nearly go into permanent wilt, and it should not have an impact on yield or quality.

    So bottom line – be very careful irrigating here out.

    AgFax Weed Solutions


    Grain Sorghum is all over the board maturity wise. Do not get too concerned about whorl feeding worms. However, once that head develops then worry about worms. If you are shaking out more than 1 worm (3/8” or larger) per head, then you are going to have to deal with them.

    The sugarcane aphid continues its march in all directions and building to threshold levels in area fields. We are finding yellow sugarcane aphids, and cornleaf aphids, so do not confuse the three.

    Corn remains mostly pest free with no major mite infestations being found.

    Peanuts have leaf spot consistently, and the weather has been very conducive for its spread




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