Effects of rain shelter and capillary watering on disease development of symptomless strawberry plants infected with Glomerella cingulata (Colletotrichum gloeosporioides).
Effects of rain shelter and capillary watering on disease development of symptomless strawberry plants infected with Glomerella cingulata (Colletotrichum gloeosporioides).
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DOI：
10.3186/jjphytopath.59.514
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发表时间：
1993-01-01
期刊：
影响因子：
--
通讯作者：
Okayama, K.
中科院分区：
文献类型：
--
作者：
Okayama, K.
从先前受侵染田地收集的无症状植物在 4 月移栽到苗圃前显然是健康的。症状首先出现在母株的叶柄上，并在 6 月在匍匐茎和子株上进一步发展。虽然用塑料薄膜覆盖的避雨棚减缓了病害的发展，但这不足以控制，因为子株逐渐被患病的母株感染。无症状植物中疾病的发展受到浇水的影响，并被毛细管浇水显着抑制。毛细管浇水和避雨棚显着抑制了接种母株对子株的感染。这种真菌经常从坏死的跑步者中分离出来，但很少从无症状的跑步者中分离出来。通过毛细管垫浇水的植物与匍匐茎的隔离频率远低于通过喷水器浇水的植物。毛管浇水和避雨对于控制苗床草莓炭疽病明显有效。
Symptomless plants collected from previously infested fields were apparently healthy before planting in nursery beds in Apr. Symptoms first appeared on petioles of mother plants and developed further on runners and daughter plants in Jun. Although disease development was slowed by a rain shelter covered with plastic film, this was insufficient for control because daughter plants gradually became infected from diseased mother plants. Development of the disease in symptomless plants was affected by watering and was markedly suppressed by capillary watering. Infection of daughter plants from inoculated mother plants was significantly suppressed by capillary watering and the rain shelter. The fungus was isolated frequently from necrotic runners but rarely from symptomless runners. The frequency of isolation from runners of plants watered by capillary matting was considerably lower than from those watered by sprinkler. Capillary watering and rain shelter were clearly effective for controlling strawberry anthracnose in nursery beds.