rainy periods host:ohioline.osu.edu

Listing 1 - 10 from 13 for rainy periods

Anthracnose of Raspberry and Blackberry, HYG-3007-94
... winter in lesions on diseased canes. The following spring and summer, during wet and rainy periods, spores are released. Spores are carried by splashing rain to healthy first-year primocanes. ... to allow faster drying of foliage and canes. Reducing the number and duration of wet periods should reduce the potential for infection. Excessive applications of fertilizer (especially nitrogen) should be ...
ohioline.osu.edu

Spur Blight of Red Raspberries, HYG-3008-94
... the winter in lesions on diseased canes. The following spring and summer, during wet and rainy periods, spores are released and carried by splashing rain and wind to nearby primocanes. There ... to allow faster drying of foliage and canes. Reducing the number and duration of wet periods should reduce the potential for infection. Excessive applications of fertilizer (especially nitrogen) should be ...
ohioline.osu.edu

Brown Rot of Stone Fruits, HYG-3009-94
... canker. Masses of conidia are soon produced on the newly cankered twig surface during moist periods throughout May and June. These summer spores are easily detached, and, like the ascospores, are ... 60 to 70 degrees F are most favorable for disease development. Following spring and summer rainy periods, mummified fruit still hanging in the tree become covered with masses of conidia that may ...
ohioline.osu.edu

Black Knot of Plums and Cherries, HYG-3011-94
... are required at temperatures above 55 degrees F (13 degrees C), whereas much longer rainy periods are required to produce infection at temperatures below this threshold. Control Most plum ... ascospores). Fungicides are most necessary and will provide the greatest benefit if applied before rainy periods, particularly when temperatures are greater than 55 degrees F (13 degrees C). In evaluating ...
ohioline.osu.edu

Bacterial Spot of Stone Fruits, HYG-3019-95
... areas on the fruit. On some varieties the spots may exude a yellowish gum after rainy periods. Skin cracking and pitting may occur near the spots during fruit enlargement. Fruit infected at ...
ohioline.osu.edu

Cherry Leaf Spot, HYG-3021-95
... these leaves. Spores (ascospores) are produced in the apothecia and are forcibly discharged during rainy periods for about six to eight weeks, starting at petal fall. The optimal temperatures for ... listed in Table 1. Serious leaf spot damage usually occurs in years with numerous rainy periods throughout late spring and summer, when repeated secondary infection cycles allow the disease to ...
ohioline.osu.edu

Late Leaf Rust of Red Raspberries
... germinate and form yet another type of spore (basidiospore), which infects white spruce needles during rainy periods from mid-May to early June. Several recent studies indicate that the fungus apparently ... air circulation and increase drying time, resulting in wet fruit and foliage for longer periods. 5. Sanitation. Remove and destroy infected and old fruited canes. Previously infected plant parts ...
ohioline.osu.edu

Mummy Berry of Blueberry, HYG-3200-92
... globe-shaped structures of the fungus called apothecia are produced on mummified berries during cool rainy periods. Spores produced inside apothecia are released into the air and carried by the wind to ...
ohioline.osu.edu

Black Spot of Roses, HYG-3072-96
... irrigation, especially late in the day. Black spot is most severe in summers with sustained rainy periods. Sanitation. Remove all black spotted leaves from and around plants. This should be done throughout ...
ohioline.osu.edu

Botrytis Fruit Rot "Gray Mold" of Strawberry, Raspberry and Blackberry, HYG-3017-94
... loss of flowers and fruit. The disease is most severe during years with prolonged rainy and cloudy periods during bloom or during harvest. Symptoms Young blossoms are usually very susceptible to ... disease development. The disease can develop at lower temperatures if foliage remains wet for long periods. Strawberries and raspberries are susceptible to Botrytis during bloom and again as fruits ripen. ...
ohioline.osu.edu